Paịpụ ígwè dị ala nke na-enweghị ntụpọnwere ike ịrụ ọrụ n'ebe oyi na-atụ nke - 45~- 195℃. Uru pụrụ iche nke paịpụ ígwè na-enweghị okpomọọkụ dị ala bụ na ọ nwere ike ịrụ ọrụ n'ebe dị oke ala, nke enweghị atụ na yaígwè nkịtị enweghị nkebi ọkpọkọPaịpụ ígwè a na-anaghị ekpo oke ọkụ nwere ike dị mma ma sie ike dị ala, a na-ejikwa ya nke ọma n'ịmepụta ngwa ọrụ dị ala na mmanụ ala, kemịkalụ, fatịlaịza na ụlọ ọrụ ndị ọzọ nwere okpomọkụ ọrụ nke - 45~- 195 ℃. Site na mmepe nke ụlọ ọrụ ndị dị mkpa, ihe achọrọ maka ihe anaghị ejedebe naanị na ihe ndị bụ isi dị ka ihe eji arụ ọrụ na ihe eji agbado ọkụ, kamakwa ihe achọrọ maka iguzogide nchara H2S nke paịpụ dị ala.
Paịpụ ígwè na-enweghị okpomọkụ dị ala na-emetụta injinịa pipeline na gburugburu ebe okpomọkụ dị ala. E nwere usoro abụọ: ise oyi na mpịakọta ọkụ. Site n'echiche nke imewe ígwè, a ga-achịkwa nhazi ígwè, ịtụgharị, ọgwụgwọ okpomọkụ na usoro ndị ọzọ nke paịpụ ígwè na-enweghị okpomọkụ dị ala iji hụ na paịpụ ígwè na-enweghị okpomọkụ dị ala nwere ike dị mma, ike na iguzogide nchara. Maka ihe achọrọ maka teknụzụ nke paịpụ ígwè na-enweghị okpomọkụ dị ala, a ga-atụle nhazi mmepụta na ọnụ ahịa mmepụta nke paịpụ ígwè nke ọma. Nhazi nhazi nke paịpụ ígwè na-enweghị okpomọkụ dị ala kwesịrị ijide n'aka na ngwaahịa ahụ nwere ike kwesịrị ekwesị, ike dị elu na okpomọkụ dị ala, na usoro ọgwụgwọ okpomọkụ dị mma. Ezigbo njikọta na iguzogide mgbawa sitere na hydrogen.
ASTM A333 - Ọkpọkọ ígwè na-enweghị ntụpọ na nke a na-agbakọta maka ọrụ dị ala
Ọrụ aka
Ịse ihe osise oyi na mpịakọta ọkụ
Ihe ngwaahịa
| Nọmba ọkọlọtọ na ebumnuche bụ isi | Ọkwa ọkpọkọ ígwè dị ala | Sistemụ ọgwụgwọ okpomọkụ nke ọkpọkọ ígwè dị ala | ọkpụrụkpụ/mm | Nnwale nrụgide nke ọkpọkọ ígwè dị ala | ule mmetụta | ike siri ike | ||||
| σb /MPa | σs /MPa ≥ | δ5 /% ≥ | Φ /% ≥ | ule /°C | AKV /J ≥ | HB≤ | ||||
| ASME Ọkpọkọ ndị na-enweghị ntụpọ na nke a kpara akpa maka obere okpomọkụ | SA333Gr.1 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥380 | 205 | 35 | ? | -45 | 18 | ? |
| SA333Gr.3 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥450 | 240 | 30 | ? | -100 | 18 | ? | |
| SA333Gr.6 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥415 | 240 | 30 | ? | -45 | 18 | ? | |
| SA333Gr.7 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥450 | 240 | 30 | ? | -75 | 18 | ? | |
| SA333Gr.8 | Oge mbụ: imenyụ ọkụ (800°C±15°C) + ime ka ọkụ dị ọkụ (565~605°C) Oge nke abụọ:(900°C±15°C) Ikuku oyi+(790°C±15°C)Ikuku oyi+(565~605°C)Ikuku oyi ma ọ bụ mmiri ọkụ | ? | ≥690 | 515 | 22 | ? | -195 | ? | ? | |
| SA333Gr.9 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥435 | 315 | 28 | ? | -75 | 18 | ? | |
| ASME Ọkpọkọ ígwè carbon na alloy na-enweghị ntụpọ na nke a kpara akpa maka ọrụ okpomọkụ dị ala | SA333Gr.1 | ≥845° Nhazi, ikuku jụrụ oyi | ? | 380≥ | 205 | 35 | ? | -45 | 18 | ? |
| SA333Gr.3 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥450 | 240 | 30 | ? | -100 | 18 | ? | |
| SA333Gr.6 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥415 | 240 | 30 | ? | -45 | 18 | ? | |
| SA333Gr.7 | ≥845° Nhazi, ikuku jụrụ oyi | ? | ≥450 | 240 | 30 | ? | -75 | 18 | ? | |
| SA333Gr.8 | Oge mbụ:quench(800°C±15°C)+tempering(565~605°C) Oge nke abụọ:(900°C±15°C) Ikuku oyi+(790°C±15°C) Ikuku oyi+(565~605°C) Ikuku oyi ma ọ bụ mmiri ọkụ | ? | ≥690 | 520 | 22 | ? | -195 | 18 | ? | |
Okpomọkụ mmetụta:
| ọkwa | Okpomọkụ nnwale mmetụta kacha nta | |
| ℉ | ℃ | |
| 16MnDG | -- | -45 |
| 10MnDG | -- | -45 |
| 09DG | -- | -45 |
| 09Mn2VDG | -- | -70 |
| 06Ni3MoDG | -- | -100 |
| A333 Ọkwa 1 | -50 | -45 |
| A333 Ọkwa nke 3 | -150 | -100 |
| A333 Ọkwa nke 4 | -150 | -100 |
| A333 Ọkwa nke 6 | -50 | -45 |
| A333 Ọkwa 7 | -100 | -75 |
| A333 Ọkwa 8 | -320 | -195 |
| A333 Ọkwa 9 | -100 | -75 |
| A333 Ọkwa 10 | -75 | -60 |
| A333 Ọkwa 11 | -- | -- |
Njirimara igwe:
| ọkọlọtọ | Akara aha | ike ọdụdọ (Mpa) | ike mkpụrụ (Mpa) | ogologo oge (%) | |
| foto | transverse | ||||
| GB/T1898 -2003 | 16MnDG | 490-665 | ≥325 | ≥30 | -- |
| 10MnDG | ≥400 | ≥240 | ≥35 | -- | |
| 09DG | ≥385 | ≥210 | ≥35 | -- | |
| 09Mn2VDG | ≥450 | ≥300 | ≥30 | -- | |
| 06Ni3MoDG | ≥455 | ≥250 | ≥30 | -- | |
| ASTM A333 | Ọkwa nke 1 | ≥380 | ≥205 | ≥35 | ≥25 |
| Ọkwa nke 3 | ≥450 | ≥240 | ≥30 | ≥20 | |
| Ọkwa nke 4 | ≥415 | ≥240 | ≥30 | ≥16.5 | |
| Ọkwa nke 6 | ≥415 | ≥240 | ≥30 | ≥16.5 | |
| Ọkwa nke 7 | ≥450 | ≥240 | ≥30 | ≥22 | |
| Klas nke asatọ | ≥690 | ≥515 | ≥22 | -- | |
| Ọkwa nke 9 | ≥435 | ≥315 | ≥28 | -- | |
| Ọkwa nke 10 | ≥550 | ≥450 | ≥22 | -- | |
| Ọkwa nke 11 | ≥450 | ≥240 | ≥18 | -- |
Ngwakọta kemịkalụ:
| ọkọlọtọ | Akara aha | ihe mejupụtara kemịkalụ(%) | ||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Al | ||
| GB/T18984 -2003 | 16MnDG | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- |
| 10MnDG | ≤0.13 | 0.17-0.37 | ≤1.35 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.07 | -- | |
| 09DG | ≤0.12 | 0.17-0.37 | ≤0.95 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.07 | -- | |
| 09Mn2VDG | ≤0.12 | 0.17-0.37 | ≤1.85 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.12 | -- | |
| 06Ni3MoDG | ≤0.08 | 0.17-0.37 | ≤0.85 | ≤0.025 | ≤0.025 | -- | 2.5-3.7 | -- | 0.15-0.30 | ≤0.05 | -- | |
| ASTM A333 | Ọkwa nke 1 | ≤0.30 | -- | 0.40-1.06 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- |
| Ọkwa nke 3 | ≤0.19 | 0.18-0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | -- | 3.18-3.82 | -- | -- | -- | -- | |
| Ọkwa nke 4 | ≤0.12 | 0.18-0.37 | 0.50-1.05 | ≤0.025 | ≤0.025 | 0.44-1.01 | 0.47-0.98 | 0.40-0.75 | -- | -- | 0.04-0.30 | |
| Ọkwa nke 6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- | |
| Ọkwa nke 7 | ≤0.19 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | -- | 2.03-2.57 | -- | -- | -- | -- | |
| Klas nke asatọ | ≤0.13 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | -- | 8.40-9.60 | -- | -- | -- | -- | |
| Ọkwa nke 9 | ≤0.20 | -- | 0.40-1.06 | ≤0.025 | ≤0.025 | -- | 1.60-2.24 | 0.75-1.25 | -- | -- | -- | |
| Ọkwa nke 10 | ≤0.20 | 0.10-0.35 | 1.15-1.50 | ≤0.030 | ≤0.015 | ≤0.15 | ≤0.25 | ≤0.015 | ≤0.50 | ≤0.12 | ≤0.06 | |
| Ọkwa nke 11 | ≤0.10 | ≤0.035 | ≤0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 35.0-37.0 | -- | ≤0.50 | -- | -- |
1.Q: Ogologo oge ole ka enwere ike ịnyefe?
A: Maka ngwaahịa ngwaahịa, m ga-ebuga ya n'ime ụbọchị 5-7 mgbe m natara ego ma ọ bụ nata L/C; Maka ngwaahịa ndị chọrọ mmepụta ọhụrụ maka ihe ndị a na-ahụkarị, m na-ebuga ya n'ime ụbọchị 15-30; Maka ngwaahịa ndị a, m ga-emepụta ya ọhụrụ maka
ihe pụrụ iche na ihe ndị dị ụkọ, ha na-achọkarị ụbọchị 30-40 iji bufee ha.
2.A: A ga-enweta asambodo ule ahụ dịka EN10210/EN10219 si dị?
A: Maka ngwaahịa mmepụta ọhụrụ, ọ dịghị mkpa ịkpụ ma ọ bụ nhazi ọzọ, ga-enye Asambodo Nnwale Mill Mbụ
asambodo nke EN10204 3.1; maka ngwaahịa ngwaahịa na ngwaahịa ndị chọrọ ịkpụ ma ọ bụ nhazi ọzọ, ga-enye Asambodo Ogo na ụlọ ọrụ anyị, Ọ ga-egosi aha ụlọ ọrụ mmepụta ihe mbụ na data mbụ.
3.A: Ozugbo achọpụtara na ngwaahịa ndị e natara emezughị ihe nkwekọrịta ahụ chọrọ, gịnị ka ị ga-eme?
A: Ozugbo achọpụtara na ngwaahịa ndị a natara emezughị ihe ndị dị na ndepụta nkwekọrịta ahụ, mgbe ị na-enweta foto na akwụkwọ gọọmentị na data sitere n'aka gị, ọ bụrụ na egosi na ha emezughị, anyị ga-akwụghachi ụgwọ maka ihe furu efu na mbụ.
4.Q: Ogologo oge ole ka nnyefe gị dị?
A: N'ozuzu, ọ bụ ụbọchị 5-10 ma ọ bụrụ na ngwongwo dị na ngwaahịa ahụ. ma ọ bụ ụbọchị 15-20 ma ọ bụrụ na ngwongwo ahụ adịghị, ọ bụ dịka ọnụọgụgụ si dị.
5.Q: Ị na-enye ihe atụ?
ọ bụ n'efu ka ọ bụ mgbakwunye? A: Ee, anyị nwere ike ịnye ihe nlele ahụ ma ghara ịkwụ ụgwọ ibu.
6.Q: Kedu usoro ịkwụ ụgwọ gị?
A:Ịkwụ ụgwọ <=1000USD, 100% n'ọdịnihu. Ịkwụ ụgwọ>=1000USD, 30% T/T n'oge tupu oge eruo, nguzozi tupu ebupu.
NKEJI nke ọkpọkọ ígwè nke inchi
| OD (dayameta mpụta) | ọkpụrụkpụ mgbidi | ibu | ||||
| inch | milimita. | otu | milimita. | inch. | Kg/m. | Pound kwa ụkwụ. |
| 1/2” | 21.3 | 5S | 1.05 | 0.042 | 0.53 | 0.36 |
| 1/2” | 21.3 | 10S | 2.11 | 0.083 | 1.01 | 0.68 |
| 1/2” | 21.3 | STD-40 | 2.77 | 0.109 | 1.28 | 0.86 |
| 1/2” | 21.3 | XS-80 | 3.73 | 0.147 | 1.63 | 1.10 |
| 1/2” | 21.3 | 160 | 4.78 | 0.188 | 1.97 | 1.33 |
| 1/2” | 21.3 | XXS | 7.47 | 0.294 | 2.57 | 1.73 |
| 3/4” | 26.7 | 5S | 1.65 | 0.065 | 1.03 | 0.69 |
| 3/4” | 26.7 | 10S | 2.11 | 0.083 | 1.29 | 0.87 |
| 3/4” | 26.7 | STD-40 | 2.87 | 0.113 | 1.70 | 1.14 |
| 3/4” | 26.7 | XS-80 | 3.91 | 0.154 | 2.22 | 1.49 |
| 3/4” | 26.7 | 160 | 5.56 | 0.219 | 2.93 | 1.97 |
| 3/4” | 26.7 | XXS | 7.82 | 0.308 | 3.68 | 2.48 |
| 1” | 33.4 | 5S | 1.65 | 0.065 | 1.31 | 0.88 |
| 1” | 33.4 | 10S | 2.77 | 0.109 | 2.12 | 1.42 |
| 1” | 33.4 | STD-40 | 3.38 | 0.133 | 2.53 | 1.70 |
| 1” | 33.4 | XS-80 | 4.55 | 0.179 | 3.27 | 2.18 |
| 1” | 33.4 | 160 | 6.35 | 0.250 | 4.28 | 2.88 |
| 1” | 33.4 | XXS | 9.09 | 0.358 | 5.51 | 3.71 |
| 1 1/4” | 42.2 | 5S | 1.65 | 0.065 | 1.67 | 1.12 |
| 1 1/4” | 42.2 | 10S | 2.77 | 0.109 | 2.72 | 1.83 |
| 1 1/4” | 42.2 | STD-40 | 3.56 | 0.140 | 3.43 | 2.31 |
| 1 1/4” | 42.2 | XS-80 | 4.85 | 0.191 | 4.51 | 3.03 |
| 1 1/4” | 42.2 | 160 | 6.35 | 0.250 | 5.67 | 3.81 |
| 1 1/4” | 42.2 | XXS | 9.70 | 0.382 | 7.85 | 5.28 |
| 1 1/2” | 48.3 | 5S | 1.65 | 0.065 | 1.92 | 1.29 |
| 1 1/2” | 48.3 | 10S | 2.77 | 0.109 | 3.14 | 2.11 |
| 1 1/2” | 48.3 | STD-40 | 3.68 | 0.145 | 4.09 | 2.75 |
| 1 1/2” | 48.3 | XS-80 | 5.08 | 0.200 | 5.47 | 3.68 |
| 1 1/2” | 48.3 | 160 | 7.14 | 0.281 | 7.32 | 4.92 |
| 1 1/2” | 48.3 | XXS | 10.15 | 0.400 | 9.65 | 6.49 |
| 2” | 60.3 | 5S | 1.65 | 0.065 | 2.41 | 1.62 |
| 2” | 60.3 | 2.11 | 0.083 | 3.06 | 2.06 | |
| 2” | 60.3 | 10S | 2.77 | 0.109 | 3.97 | 2.67 |
| 2” | 60.3 | 3.18 | 0.125 | 4.52 | 3.04 | |
| 2” | 60.3 | STD-40 | 3.91 | 0.154 | 5.49 | 3.69 |
| 2” | 60.3 | XS-80 | 5.54 | 0.218 | 7.56 | 5.08 |
| 2” | 60.3 | 160 | 8.74 | 0.344 | 11.23 | 7.55 |
| 2” | 60.3 | XXS | 11.07 | 0.436 | 13.58 | 9.13 |
| 2 1/2” | 73.0 | 5S | 2.11 | 0.083 | 3.73 | 2.51 |
| 2 1/2” | 73.0 | 10S | 3.05 | 0.120 | 5.32 | 3.57 |
| 2 1/2” | 73.0 | 30 | 4.78 | 0.188 | 8.12 | 5.46 |
| 2 1/2” | 73.0 | STD-40 | 5.16 | 0.203 | 8.72 | 5.86 |
| 2 1/2” | 73.0 | XS-80 | 7.01 | 0.276 | 11.52 | 7.74 |
| 2 1/2” | 73.0 | 160 | 9.53 | 0.375 | 15.08 | 10.14 |
| 2 1/2” | 73.0 | XXS | 14.02 | 0.552 | 20.60 | 13.84 |
| 3” | 88.9 | 5S | 2.11 | 0.083 | 4.56 | 3.07 |
| 3” | 88.9 | 2.77 | 0.109 | 5.95 | 4.00 | |
| 3” | 88.9 | 10S | 3.05 | 0.120 | 6.52 | 4.38 |
| 3” | 88.9 | 3.18 | 0.125 | 6.79 | 4.56 | |
| 3” | 88.9 | 3.58 | 0.141 | 7.61 | 5.12 | |
| 3” | 88.9 | 3.96 | 0.156 | 8.38 | 5.63 | |
| 3” | 88.9 | STD-40 | 5.49 | 0.216 | 11.41 | 7.67 |
| 3” | 88.9 | XS-80 | 7.62 | 0.300 | 15.43 | 10.37 |
| 3” | 88.9 | 160 | 11.13 | 0.438 | 21.56 | 14.49 |
| 3” | 88.9 | XXS | 15.24 | 0.600 | 27.96 | 18.79 |
| 3 1/2” | 101.6 | 5S | 2.11 | 0.083 | 5.23 | 3.52 |
| 3 1/2” | 101.6 | 10S | 3.05 | 0.120 | 7.49 | 5.03 |
| 3 1/2” | 101.6 | 30 | 4.78 | 0.188 | 11.53 | 7.75 |
| 3 1/2” | 101.6 | STD-40 | 5.74 | 0.226 | 13.71 | 9.21 |
| 3 1/2” | 101.6 | XS-80 | 8.08 | 0.318 | 18.83 | 12.65 |
| 4” | 114.3 | 5S | 2.11 | 0.083 | 5.90 | 3.97 |
| 4” | 114.3 | 10S | 3.05 | 0.120 | 8.46 | 5.68 |
| 4” | 114.3 | 3.18 | 0.125 | 8.81 | 5.92 | |
| 4” | 114.3 | 3.96 | 0.156 | 10.89 | 7.32 | |
| 4” | 114.3 | 4.37 | 0.172 | 11.97 | 8.05 | |
| 4” | 114.3 | 4.78 | 0.188 | 13.04 | 8.76 | |
| 4” | 114.3 | 5.16 | 0.203 | 14.03 | 9.43 | |
| 4” | 114.3 | 5.56 | 0.219 | 15.06 | 10.62 | |
| 4” | 114.3 | STD-40 | 6.02 | 0.237 | 16.24 | 10.91 |
| 4” | 114.3 | 6.35 | 0.250 | 17.08 | 11.48 | |
| 4” | 114.3 | 7.14 | 0.281 | 19.06 | 12.81 | |
| 4” | 114.3 | 7.92 | 0.312 | 20.99 | 14.11 | |
| 4” | 114.3 | XS-80 | 8.56 | 0.337 | 22.55 | 15.15 |
| 4” | 114.3 | 120 | 11.13 | 0.438 | 28.61 | 19.23 |
| 4” | 114.3 | 160 | 13.49 | 0.531 | 33.88 | 22.77 |
| 4” | 114.3 | XXS | 17.12 | 0.674 | 41.45 | 27.85 |
| 5” | 141.3 | 3.96 | 0.156 | 13.55 | 9.11 | |
| 5” | 141.3 | 4.78 | 0.188 | 16.26 | 10.93 | |
| 5” | 141.3 | 5.56 | 0.219 | 18.80 | 12.63 | |
| 5” | 141.3 | STD-40 | 6.55 | 0.258 | 21.99 | 14.78 |
| 5” | 141.3 | 7.14 | 0.281 | 23.86 | 16.04 | |
| 5” | 141.3 | 7.92 | 0.312 | 26.32 | 17.69 | |
| 5” | 141.3 | XS-80 | 9.53 | 0.375 | 31.28 | 21.02 |
| 5” | 141.3 | 120 | 12.70 | 0.500 | 40.69 | 27.34 |
| 5” | 141.3 | 160 | 15.88 | 0.625 | 49.62 | 33.34 |
| 5” | 141.3 | XXS | 19.05 | 0.750 | 58.01 | 38.98 |
| 6” | 168.3 | 4.37 | 0.172 | 17.84 | 11.99 | |
| 6” | 168.3 | 4.78 | 0.188 | 19.47 | 13.09 | |
| 6” | 168.3 | 5.16 | 0.203 | 20.97 | 14.09 | |
| 6” | 168.3 | 5.56 | 0.219 | 22.54 | 15.15 | |
| 6” | 168.3 | 6.35 | 0.250 | 25.62 | 17.22 | |
| 6” | 168.3 | STD-40 | 7.11 | 0.280 | 28.55 | 19.19 |
| 6” | 168.3 | 7.92 | 0.312 | 31.64 | 21.26 | |
| 6” | 168.3 | 8.74 | 0.344 | 34.74 | 23.35 | |
| 6” | 168.3 | 9.53 | 0.375 | 37.69 | 25.33 | |
| 6” | 168.3 | XS-80 | 10.97 | 0.432 | 42.99 | 28.89 |
| 6” | 168.3 | 12.70 | 0.500 | 49.23 | 33.08 | |
| 6” | 168.3 | 120 | 14.27 | 0.562 | 54.75 | 36.79 |
| 6” | 168.3 | 15.88 | 0.625 | 60.30 | 40.52 | |
| 6” | 168.3 | 160 | 18.26 | 0.719 | 68.25 | 45.86 |
| 6” | 168.3 | 19.05 | 0.750 | 70.85 | 47.61 | |
| 6” | 168.3 | XXS | 21.95 | 0.864 | 80.02 | 53.77 |
| 6” | 168.3 | 22.23 | 0.875 | 80.87 | 54.34 | |
| 8” | 219.1 | 4.78 | 0.188 | 25.52 | 17.15 | |
| 8” | 219.1 | 5.16 | 0.203 | 27.50 | 18.48 | |
| 8” | 219.1 | 5.56 | 0.219 | 29.58 | 19.88 | |
| 8” | 219.1 | 20 | 6.35 | 0.250 | 33.65 | 22.61 |
| 8” | 219.1 | 30 | 7.04 | 0.277 | 37.19 | 24.99 |
| 8” | 219.1 | 7.92 | 0.312 | 41.66 | 28.00 | |
| 8” | 219.1 | STD-40 | 8.18 | 0.322 | 42.98 | 28.88 |
| 8” | 219.1 | 8.74 | 0.344 | 45.80 | 30.78 | |
| 8” | 219.1 | 9.53 | 0.375 | 49.75 | 33.43 | |
| 8” | 219.1 | 60 | 10.31 | 0.406 | 53.62 | 36.03 |
| 8” | 219.1 | 11.13 | 0.438 | 57.66 | 38.75 | |
| 8” | 219.1 | XS-80 | 12.70 | 0.500 | 65.30 | 43.88 |
| 8” | 219.1 | 14.27 | 0.562 | 72.81 | 48.93 | |
| 8” | 219.1 | 100 | 15.09 | 0.594 | 76.69 | 51.53 |
| 8” | 219.1 | 15.88 | 0.625 | 80.31 | 54.02 | |
| 8” | 219.1 | 120 | 18.26 | 0.719 | 91.36 | 61.39 |
| 8” | 219.1 | 19.05 | 0.750 | 94.93 | 63.79 | |
| 8” | 219.1 | 140 | 20.62 | 0.812 | 101.95 | 68.51 |
| 8” | 219.1 | XXS | 22.23 | 0.875 | 108.96 | 73.22 |
| 8” | 219.1 | 160 | 23.01 | 0.906 | 112.40 | 75.59 |
| 8” | 219.1 | 25.40 | 1,000 | 122.56 | 82.36 | |
| 10” | 273.0 | 4.78 | 0.188 | 31.94 | 21.46 | |
| 10” | 273.0 | 5.16 | 0.203 | 34.43 | 23.14 | |
| 10” | 273.0 | 5.56 | 0.219 | 37.04 | 24.89 | |
| 10” | 273.0 | 20 | 6.35 | 0.250 | 42.18 | 28.34 |
| 10” | 273.0 | 7.09 | 0.279 | 46.97 | 31.56 | |
| 10” | 273.0 | 30 | 7.80 | 0.307 | 51.53 | 34.63 |
| 10” | 273.0 | 8.74 | 0.344 | 57.34 | 38.66 | |
| 10” | 273.0 | STD-40 | 9.27 | 0.365 | 60.90 | 40.92 |
| 10” | 273.0 | 11.13 | 0.438 | 72.61 | 48.79 | |
| 10” | 273.0 | XS-60 | 12.70 | 0.500 | 82.35 | 55.34 |
| 10” | 273.0 | 14.27 | 0.562 | 91.92 | 61.80 | |
| 10” | 273.0 | 80 | 15.09 | 0.594 | 96.95 | 65.15 |
| 10” | 273.0 | 15.88 | 0.625 | 101.71 | 68.35 | |
| 10” | 273.0 | 100 | 18.26 | 0.719 | 115.87 | 77.86 |
| 10” | 273.0 | 20.62 | 0.812 | 129.64 | 87.11 | |
| 10” | 273.0 | 120 | 21.44 | 0.844 | 134.35 | 90.28 |
| 10” | 273.0 | 22.23 | 0.875 | 138.87 | 93.32 | |
| 10” | 273.0 | 23.83 | 0.938 | 147.91 | 99.39 | |
| 10” | 273.0 | XXS-140 | 25.40 | 1,000 | 156.66 | 105.22 |
| 10” | 273.0 | 160 | 28.58 | 1.125 | 174.01 | 116.93 |
| 10” | 273.0 | 31.75 | 1.250 | 190.81 | 128.22 | |
| 12” | 323.8 | 20 | 6.35 | 0.250 | 50.22 | 33.75 |
| 12” | 323.8 | 7.14 | 0.281 | 56.32 | 37.85 | |
| 12” | 323.8 | 7.92 | 0.312 | 62.32 | 41.88 | |
| 12” | 323.8 | 30 | 8.38 | 0.330 | 65.85 | 44.23 |
| 12” | 323.8 | 8.74 | 0.344 | 68.60 | 46.10 | |
| 12” | 323.8 | STD | 9.53 | 0.375 | 74.61 | 50.13 |
| 12” | 323.8 | 40 | 10.31 | 0.406 | 80.51 | 54.10 |
| 12” | 323.8 | 11.13 | 0.438 | 86.69 | 58.25 | |
| 12” | 323.8 | XS | 12.70 | 0.500 | 98.42 | 66.14 |
| 12” | 323.8 | 60 | 14.27 | 0.562 | 110.03 | 73.94 |
| 12” | 323.8 | 15.88 | 0.625 | 121.81 | 81.85 | |
| 12” | 323.8 | 80 | 17.48 | 0.688 | 133.38 | 89.63 |
| 12” | 323.8 | 19.05 | 0.750 | 14.62 | 97.18 | |
| 12” | 323.8 | 20.62 | 0.812 | 155.73 | 104.65 | |
| 12” | 323.8 | 100 | 21.44 | 0.844 | 161.48 | 108.51 |
| 12” | 323.8 | 23.83 | 0.938 | 178.07 | 119.65 | |
| 12” | 323.8 | XXS-120 | 25.40 | 1,000 | 188.80 | 126.87 |
| 12” | 323.8 | 26.97 | 1.062 | 199.42 | 134.00 | |
| 12” | 323.8 | 140 | 28.58 | 1.125 | 210.18 | 141.23 |
| 12” | 323.8 | 31.75 | 1.250 | 230.98 | 155.21 | |
| 12” | 323.8 | 160 | 33.32 | 1.312 | 241.10 | 162.01 |
| 14” | 355.6 | 10 | 6.35 | 0.250 | 55.25 | 37.13 |
| 14” | 355.6 | 20 | 7.92 | 0.312 | 68.60 | 46.1 |
| 14” | 355.6 | 8.74 | 0.344 | 75.52 | 50.75 | |
| 14” | 355.6 | STD-30 | 9.53 | 0.375 | 82.16 | 55.21 |
| 14” | 355.6 | 10.31 | 0.406 | 88.68 | 59.59 | |
| 14” | 355.6 | 40 | 11.13 | 0.438 | 95.51 | 64.18 |
| 14” | 355.6 | XS | 12.70 | 0.500 | 108.48 | 72.90 |
| 14” | 355.6 | 14.27 | 0.562 | 121.33 | 81.53 | |
| 14” | 355.6 | 60 | 15.09 | 0.594 | 128.00 | 86.01 |
| 14” | 355.6 | 80 | 19.05 | 0.750 | 159.71 | 107.32 |
| 14” | 355.6 | 100 | 23.83 | 0.938 | 196.94 | 132.34 |
| 14” | 355.6 | 25.40 | 1,000 | 208.92 | 140.39 | |
| 14” | 355.6 | 26.97 | 1.062 | 220.78 | 148.36 | |
| 14” | 355.6 | 120 | 27.79 | 1.094 | 226.93 | 152.49 |
| 14” | 355.6 | 140 | 31.75 | 1.250 | 256.13 | 172.11 |
| 14” | 355.6 | 160 | 35.71 | 1.406 | 284.56 | 191.21 |
| 16” | 406.4 | 10 | 6.35 | 0.250 | 63.28 | 42.52 |
| 16” | 406.4 | 7.14 | 0.281 | 71.01 | 47.72 | |
| 16” | 406.4 | 20 | 7.92 | 0.312 | 78.62 | 52.83 |
| 16” | 406.4 | 8.74 | 0.344 | 86.58 | 58.18 | |
| 16” | 406.4 | STD-30 | 9.53 | 0.357 | 94.21 | 63.31 |
| 16” | 406.4 | 10.31 | 0.406 | 101.72 | 68.36 | |
| 16” | 406.4 | 11.13 | 0.438 | 109.59 | 73.64 | |
| 16” | 406.4 | XS-40 | 12.70 | 0.500 | 124.55 | 83.69 |
| 16” | 406.4 | 14.27 | 0.562 | 139.39 | 93.67 | |
| 16” | 406.4 | 15.88 | 0.625 | 154.48 | 103.80 | |
| 16” | 406.4 | 60 | 16.66 | 0.656 | 161.74 | 108.69 |
| 16” | 406.4 | 17.48 | 0.688 | 169.35 | 113.80 | |
| 16” | 406.4 | 19.05 | 0.750 | 183.81 | 123.52 | |
| 16” | 406.4 | 20.62 | 0.812 | 198.15 | 133.15 | |
| 16” | 406.4 | 80 | 21.44 | 0.844 | 205.60 | 138.15 |
| 16” | 406.4 | 25.40 | 1,000 | 241.06 | 161.98 | |
| 16” | 406.4 | 100 | 26.19 | 1.031 | 248.05 | 166.68 |
| 16” | 406.4 | 120 | 30.96 | 1.219 | 289.54 | 194.56 |
| 16” | 406.4 | 31.75 | 1.250 | 296.31 | 199.11 | |
| 16” | 406.4 | 140 | 36.53 | 1.438 | 336.57 | 226.16 |
| 16” | 406.4 | 160 | 40.49 | 1.594 | 369.06 | 247.99 |
| 18” | 457 | 20 | 7.92 | 0.312 | 88.60 | 59.54 |
| 18” | 457 | 8.74 | 0.344 | 97.59 | 65.58 | |
| 18” | 457 | STD | 9.53 | 0.375 | 106.23 | 71.38 |
| 18” | 457 | 10.31 | 0.406 | 114.72 | 77.09 | |
| 18” | 457 | 30 | 11.13 | 0.438 | 123.62 | 83.07 |
| 18” | 457 | XS | 12.70 | 0.500 | 140.56 | 94.45 |
| 18” | 457 | 40 | 14.27 | 0.562 | 157.38 | 105.75 |
| 18” | 457 | 15.88 | 0.625 | 174.50 | 117.25 | |
| 18” | 457 | 17.48 | 0.688 | 191.38 | 128.60 | |
| 18” | 457 | 60 | 19.05 | 0.750 | 207.82 | 139.65 |
| 18” | 457 | 80 | 23.83 | 0.938 | 257.13 | 172.78 |
| 18” | 457 | 25.40 | 1,000 | 273.08 | 183.50 | |
| 18” | 457 | 26.97 | 1.062 | 288.91 | 194.14 | |
| 18” | 457 | 28.58 | 1.125 | 305.01 | 204.96 | |
| 18” | 457 | 100 | 29.36 | 1.156 | 312.76 | 210.16 |
| 18” | 457 | 30.18 | 1.188 | 320.88 | 215.62 | |
| 18” | 457 | 31.75 | 1.250 | 336.33 | 226.00 | |
| 18” | 457 | 120 | 34.93 | 1.375 | 367.25 | 246.78 |
| 18” | 457 | 140 | 39.67 | 1.562 | 412.40 | 277.12 |
| 18” | 457 | 160 | 45.24 | 1.781 | 464.03 | 311.81 |
| 20” | 508 | 8.74 | 0.344 | 108.70 | 73.04 | |
| 20” | 508 | STD-20 | 9.53 | 0.375 | 118.33 | 79.51 |
| 20” | 508 | 10.31 | 0.406 | 127.82 | 85.89 | |
| 20” | 508 | 11.13 | 0.438 | 137.76 | 92.57 | |
| 20” | 508 | XS-30 | 12.70 | 0.500 | 156.70 | 105.3 |
| 20” | 508 | 14.27 | 0.562 | 175.51 | 117.94 | |
| 20” | 508 | 40 | 15.09 | 0.594 | 185.28 | 124.50 |
| 20” | 508 | 15.88 | 0.625 | 194.67 | 130.81 | |
| 20” | 508 | 17.48 | 0.688 | 213.59 | 143.53 | |
| 20” | 508 | 19.05 | 0.750 | 232.03 | 155.92 | |
| 20” | 508 | 60 | 20.62 | 0.812 | 250.34 | 168.22 |
| 20” | 508 | 25.40 | 1,000 | 305.35 | 205.18 | |
| 20” | 508 | 80 | 26.19 | 1.031 | 314.33 | 211.22 |
| 20” | 508 | 30.18 | 1.188 | 359.22 | 241.38 | |
| 20” | 508 | 31.75 | 1.250 | 376.66 | 253.10 | |
| 20” | 508 | 100 | 32.54 | 1.281 | 385.40 | 258.97 |
| 20” | 508 | 120 | 38.10 | 1,500 | 445.97 | 299.67 |
| 20” | 508 | 140 | 44.45 | 1.750 | 513.27 | 344.90 |
| 20” | 508 | 160 | 50.01 | 1.969 | 570.54 | 383.38 |
| 22” | 559 | 8.74 | 0.344 | 119.80 | 80.5 | |
| 22” | 559 | STD-20 | 9.53 | 0.375 | 130.44 | 87.65 |
| 22” | 559 | XS-30 | 12.70 | 0.500 | 172.83 | 116.14 |
| 22” | 559 | 15.88 | 0.625 | 214.84 | 144.37 | |
| 22” | 559 | 17.48 | 0.688 | 235.79 | 158.44 | |
| 22” | 559 | 19.05 | 0.750 | 256.23 | 172.18 | |
| 22” | 559 | 20.62 | 0.812 | 276.54 | 185.83 | |
| 24” | 610 | 8.74 | 0.344 | 130.90 | 87.96 | |
| 24” | 610 | STD-20 | 9.53 | 0.375 | 142.55 | 95.79 |
| 24” | 610 | XS | 12.70 | 0.500 | 188.96 | 126.98 |
| 24” | 610 | 30 | 14.27 | 0.562 | 211.76 | 142.30 |
| 24” | 610 | 15.88 | 0.625 | 233.02 | 157.93 | |
| 24” | 610 | 40 | 17.48 | 0.688 | 258.00 | 173.37 |
| 24” | 610 | 19.05 | 0.750 | 280.43 | 188.44 | |
| 24” | 610 | 20.62 | 0.812 | 302.73 | 203.42 | |
| 24” | 610 | 60 | 24.61 | 0.969 | 358.87 | 241.15 |
| 24” | 610 | 25.40 | 1,000 | 369.89 | 248.55 | |
| 24” | 610 | 26.97 | 1.062 | 391.69 | 263.20 | |
| 24” | 610 | 30.18 | 1.188 | 435.90 | 292.91 | |
| 24” | 610 | 80 | 30.96 | 1.219 | 442.86 | 297.59 |
| 24” | 610 | 100 | 38.89 | 1.531 | 553.26 | 371.72 |
| 24” | 610 | 120 | 46.02 | 1.812 | 646.52 | 434.44 |
| 24” | 610 | 140 | 52.37 | 2.062 | 727.45 | 488.82 |
| 26” | 660 | STD | 9.53 | 0.375 | 154.42 | 103.77 |
| 26” | 660 | XS-20 | 12.70 | 0.500 | 204.78 | 137.61 |
| 26” | 660 | 17.48 | 0.688 | 279.77 | 188.00 | |
| 26” | 660 | 19.05 | 0.750 | 304.15 | 204.38 | |
| 28” | 711 | STD | 9.53 | 0.375 | 166.52 | 118.90 |
| 28” | 711 | XS-20 | 12.70 | 0.500 | 220.91 | 148.44 |
| 28” | 711 | 17.48 | 0.688 | 301.98 | 202.92 | |
| 28” | 711 | 19.05 | 0.750 | 328.35 | 220.64 | |
| 30” | 762 | STD | 9.53 | 0.375 | 178.63 | 120.03 |
| 30” | 762 | XS-20 | 12.70 | 0.500 | 237.05 | 159.29 |
| 32” | 813 | STD | 9.53 | 0.375 | 190.74 | 128.17 |
| 32” | 813 | XS-20 | 12.70 | 0.500 | 253.18 | 170.13 |
Usoro nke ọkpọkọ ígwè na-enweghị ntụpọ
NKWEKỌTA NA MBUPUTA
Ngosipụta nke Ndị Ahịa
Ụlọ ọrụ a ji ịdị mma nke ngwaahịa kpọrọ ihe nke ukwuu, na-etinye ego nke ukwuu n'iwebata ngwa na ndị ọkachamara dị elu, ma na-eme ihe niile iji gboo mkpa ndị ahịa nọ n'obodo na mba ofesi.
Enwere ike kewaa ọdịnaya ahụ n'ime ihe dịka: ihe mejupụtara kemịkalụ, ike mkpụrụ, ike nrụgide, ihe onwunwe mmetụta, wdg.
N'otu oge ahụ, ụlọ ọrụ ahụ nwekwara ike ime nchọpụta na iwepụ ntụpọ n'ịntanetị yana usoro ọgwụgwọ okpomọkụ ndị ọzọ dịka mkpa ndị ahịa si dị.
https://www.ytdrintl.com/
Ozi ịntanetị:sales@ytdrgg.com
Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.bụ ụlọ ọrụ mmepụta paịpụ ígwè nke a kwadoro site naEN/ASTM/ JISỌkachamara na mmepụta na mbupụ ụdị paịpụ akụkụ anọ niile, paịpụ galvanized, paịpụ welded ERW, paịpụ gburugburu, paịpụ arc welded nke dị n'okpuru mmiri, paịpụ kwụ ọtọ, paịpụ enweghị ntụpọ, coil ígwè a kpuchiri agba, coil ígwè galvanized na ngwaahịa ígwè ndị ọzọ. Site na njem dị mfe, ọ dị kilomita 190 site na ọdụ ụgbọ elu mba ụwa nke Beijing Capital na kilomita 80 site na Tianjin Xingang.
WhatsApp:+8613682051821








































