Paịpụ ígwè mmiri, nke e ji arụ ụgbọ mmiri na ihe na-ekpo ọkụ nke ukwuu.
Ọkpọkọ ígwè na-enweghị ntụpọ maka iwu ụgbọ mmirina-ezo aka na paịpụ ígwè e mere ma rụpụta maka mmiri mmiri, ihe na-ekpo ọkụ nke ukwuu na sistemụ nrụgide. Enwere ike iji paịpụ ígwè na-ewu ụgbọ mmiri mee ihe nke ọma na CCS, DNV, LR, GL, ABS, BV, RINA, NK na ụgbọ mmiri ndị ọzọ yana ọkọlọtọ mba China.
Ọkwa mmepụta
320, 360, 410, 460, 490, GL-R 410,37Mn, 34CrMo4, A53B, Klas 3,410HB, 410, RST138, RST142, RST238, RST242, RST249, RST338, RST342, wdg.
Nnweta nha
| Ụdị ọkpọkọ ígwè | dayameta mpụta (D) | Ọkpụrụkpụ mgbidi nke ọkpọkọ ígwè (S) | ||
| Tube oyi na-adọta | Dayameta mpụta nke ọkpọkọ ígwè (mm) | Ngbanwe a na-anabata (mm) | Ọkpụrụkpụ mgbidi nke ọkpọkọ ígwè (mm) | Ngbanwe a na-anabata (mm) |
| >30~50 | ±0.3 | ≤30 | ±10% | |
| >50~219 | ±0.8% | |||
| Ọkụ ọkpọkọ a na-akpọ ọkụ | >219 | ±1.0% | >20 | ±10% |
Ihe onwunwe igwe
| ọkọlọtọ | Ọkwa | Ike nrụgide (MPa) | ike mmepụta (MPa) | ogologo (%) |
| GB/T5312 | 320 | 320~410 | ≥195 | ≥25 |
| 360 | 360 | 360~480 | ≥215 | ≥24 |
| 410 | 410 | 410~530 | ≥235 | ≥22 |
| 460 | 460 | 460~580 | ≥265 | ≥21 |
| 490 | 490 | 490~610 | ≥285 | ≥21 |
Ngwakọta kemịkalụ
| Ọkwa | Ọkwa ígwè | C | Si | Mn | S | P | Ihe fọdụrụ | |||||
| Ọkọlọtọ | Cr | Mo | Ni | Cu | Ngụkọta | |||||||
| GB/T 5312 | Kabọn na Kabọn-Manganese | 320 | ≤0.16 | ≤0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 |
| 360 | ≤0.17 | ≤0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
| 410 | ≤0.21 | ≤0.35 | 0.40-1.20 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
| 460 | ≤0.22 | ≤0.35 | 0.80-1.40 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
| 490 | ≤0.23 | ≤0.35 | 0.80-1.50 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
| Òtù Nhazi nke China (CCS) | 1Cr0.5Mo | 440 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.70-1.10 | 0.45-0.65 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 |
| 2.25Cr1Mo | 410 | 0.08-0.15 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 2.00-2.50 | 0.90-1.20 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 | |
| 490 | 0.08-0.15 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 2.00-2.50 | 0.90-1.20 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 | ||
| Ọha mmadụ | Ọkọlọtọ ma ọ bụ ojiji | Ọkwa ígwè | ihe mejupụtara kemịkalụ,% | |||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Mo | V | P+S | |||
| GLR | Enweghị alloy | GL-R 410 | ≤ 0.21 | ≤ 0.35 | ≤ 1.40 | ≤ 0.025 | ≤ 0.020 | - | - | - | ≥0.020 | - | - | - |
| GB 18248 | Mn 37 | 0.34 ~0.40 | 0.10 ~0.30 | 1.35 ~1.65 | ≤ 0.030 | ≤ 0.030 | ≤ 0.30 | ≤ 0.30 | ≤ 0.20 | - | - | - | ≤ 0.055 | |
| EN 10297 | 34CrMo4 | 0.30 ~0.37 | ≤ 0.40 | 0.60 ~0.90 | ≤ 0.035 | ≤ 0.035 | 0.9 ~1.20 | - | - | - | 0.15 ~0.30 | - | - | |
| DNV | maka nrụgide ASTM A53/A53M | A53B | ≤ 0.30 | - | ≤ 1.20 | ≤ 0.050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
| ABS | maka nrụgide | Klas nke 3 | ≤ 0.30 | - | ≤ 1.20 | ≤ 0.050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
| BV | maka nrụgide | 410HB | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
| LR | maka nrụgide | 410 | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.045 | ≤ 0.045 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | - | ≤ 0.10 | - | - |
| KR | maka nrụgide | RST138 | ≤ 0.25 | ≤ 0.35 | 0.30 ~0.90 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
| RST142 | ≤ 0.30 | 0.30 ~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - | |||
| RST238 | ≤ 0.25 | 0.10 ~0.35 | 0.30 ~1.10 | ≤ 0.035 | ≤ 0.035 | - | - | - | - | - | - | - | ||
| RST242 | ≤ 0.30 | 0.30 ~1.40 | - | - | - | - | - | - | - | |||||
| RST249 | ≤ 0.33 | 0.30 ~1.50 | - | - | - | - | - | - | - | |||||
| RST338 | ≤ 0.25 | 0.30 ~0.90 | - | - | - | - | - | - | - | |||||
| RST342 | ≤ 0.30 | 0.30 ~1.00 | - | - | - | - | - | - | - | |||||
| NK | maka nrụgide | Klas nke 1 Nke 3/ KSTPG 42 | ≤ 0.30 | ≤ 0.35 | 0.30 ~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
| CCS | maka nrụgide | 360 | ≤ 0.17 | ≤ 0.35 | 0.40 ~0.80 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||
| 410 | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||||
| 460 | ≤ 0.22 | ≤ 0.35 | 0.80 ~1.40 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||||
| 490 | ≤ 0.23 | ≤ 0.35 | 0.80 ~1.50 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||||
- Ihe ndị fọdụrụ:Cr≤0.25%, Mo≤0.10%, Ni≤0.30%, Cu≤0.30%ngụkọta≤0.70%
Ụlọ ọrụ anyị nwere ike ịhazi ihe ndị dị na ọkọlọtọ mba 20 #, Q345B, Q345C, Q345D, Q345E, ọkọlọtọ Amerịka ASTM/ASME A106 Gr. B, A53 Gr. B, A333 Gr.6, A500 Gr. A, A500 Gr. B, A500 Gr. C na ọkọlọtọ Europe EN10210/EN10219/EN10216 S235JR, S235J0, S235J2, S355JR, S355J0, S355J2, S355NL, S355K2 yana ọkpọkọ ígwè dị na ọkọlọtọ Britain, ọkọlọtọ Australia na ọkọlọtọ Japan. A pụrụ ịtụkwasị àgwà ngwaahịa a obi. A na-ebugakwa ya na ọtụtụ mba na mpaghara dị na North America, South America, Europe, Middle East, Southeast Asia, Australia na Central Asia. A na-eji ngwaahịa ndị a eme ihe n'ọtụtụ injinịa ígwè dị iche iche, injinịa ike nuklia, injinịa oké osimiri, injinịa àkwà mmiri owuwu, igwe injinịa na mmepụta akụrụngwa, mmepụta akụrụngwa ígwè na mpaghara ndị ọzọ. Ngwaahịa ndị ọzọ bụ: ọkpọkọ boiler dị elu, ọkpọkọ mgbawa mmanụ, ọkpọkọ ọkachamara fatịlaịza dị elu, ígwè pipeline, ihe mkpuchi mmanụ, ọkpọkọ ígwè galvanized dị ọkụ, ọkpọkọ ígwè a na-akpọ "cold rolled tubes", ọkpọkọ profaịlụ, ọkpọkọ ígwè galvanized, ọkpọkọ ígwè zinc aluminized na ngwaahịa dị iche iche na-akwado pipeline.
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.
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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.
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