Pipa baja laut, digunakake kanggo nggawe kapal lan superheater.
Pipa baja mulus kanggo gawe kapaldeleng pipa baja sing dirancang lan diprodhuksi kanggo boiler laut, superheater lan sistem tekanan.Pipa baja galangan kapal bisa digunakake kanthi akeh ing CCS, DNV, LR, GL, ABS, BV, RINA, NK lan kapal liyane uga standar nasional Cina.
Kelas produksi
320, 360, 410, 460, 490, GL-R 410,37Mn, 34CrMo4, A53B, Kelas 3,410HB, 410, RST138, RST142, RST238, RST242, RST328, RST329, lan sapiturute
Toleransi dimensi
Jenis pipa baja | diameter njaba (D) | Ketebalan dinding pipa baja (S) | ||
Tabung ditarik kadhemen | Diameter njaba pipa baja (mm) | Panyimpangan sing diidini (mm) | Ketebalan dinding pipa baja (mm) | Panyimpangan sing diidini (mm) |
> 30~50 | ± 0.3 | ≤30 | ± 10% | |
> 50-219 | ± 0,8% | |||
Tabung panas sing digulung | > 219 | ± 1,0% | > 20 | ± 10% |
Properti mekanik
standar | sasmita | kekuatan tarik (MPa) | kekuatan hasil (MPa) | elongation (%) |
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 |
Make-up kimia
sasmita | Kelas Baja | C | Si | Mn | S | P | Unsur sisa | |||||
Standar | Cr | Mo | Ni | Cu | Total | |||||||
GB/T 5312 | Karbon & Karbon-Mangan | 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 | ||
Masyarakat Klasifikasi China (CCS) | 1Cr0.5M | 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 |
masyarakat | Standar utawa panggunaan | Kelas baja | komposisi kimia,% | |||||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Al | Mo | V | P+S | |||
GLR | Non alloly | GL-R 410 | ≤ 0.21 | ≤ 0.35 | ≤ 1.40 | ≤ 0,025 | ≤ 0.020 | - | - | - | ≥0,020 | - | - | - |
GB 18248 | 37Mn | 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 | kanggo tekanan ASTM A53/A53M | A53B | ≤ 0.30 | - | ≤ 1.20 | ≤ 0,050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
ABS | kanggo tekanan | kelas 3 | ≤ 0.30 | - | ≤ 1.20 | ≤ 0,050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
BV | kanggo tekanan | 410HB | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
LR | kanggo tekanan | 410 | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.045 | ≤ 0.045 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | - | ≤ 0.10 | - | - |
KR | kanggo tekanan | 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 | kanggo tekanan | kelas 1 No3/ KSTPG 42 | ≤ 0.30 | ≤ 0.35 | 0.30 ~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
CCS | kanggo tekanan | 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 |
- Unsur sisa: Cr≤0.25%, Mo≤0.10%, Ni≤0.30%, Cu≤0.30%agregat≤0.70%
Perusahaan kita bisa ngatur bahan standar nasional 20 #, Q345B, Q345C, Q345D, Q345E, standar Amerika ASTM / ASME A106 Gr.B, A53 Gr.B, A333 Gr.6, A500 Gr.A, A500 Gr.B, A500 Gr.C lan standar Eropa EN10210/EN10219/EN10216 S235JR, S235J0, S235J2, S355JR, S355J0, S355J2, S355NL, S355K2 uga pipa baja standar eksternal standar Inggris, standar Australia lan Jepang.Kualitas produk bisa dipercaya.Iki uga diekspor menyang pirang-pirang negara lan wilayah ing Amerika Utara, Amerika Selatan, Eropa, Timur Tengah, Asia Tenggara, Australia lan Asia Tengah.Produk kasebut akeh digunakake ing macem-macem teknik struktur baja, teknik tenaga nuklir, teknik laut, teknik jembatan konstruksi, mesin teknik lan produksi peralatan, produksi peralatan metalurgi lan lapangan liyane.Produk liyane yaiku: tabung boiler tekanan tinggi, tabung retak minyak, tabung profesional pupuk tekanan tinggi, pipa baja, selubung minyak, tabung baja galvanis hot-dip, tabung baja gulung dingin, tabung profil, gulungan baja galvanis, gulungan baja seng aluminisasi lan macem-macem produk pendukung pipa.
Perusahaan attaches gedhe wigati kanggo kualitas produk, invests akeh banget ing introduksi saka peralatan majeng lan profesional, lan dadi kabeh metu kanggo nyukupi kabutuhan pelanggan ing ngarep lan luar negeri.
Isi bisa kira-kira dipérang dadi: komposisi kimia, kekuatan ngasilaken, kekuatan tensile, impact property, etc
Ing wektu sing padha, perusahaan uga bisa nindakake deteksi cacat on-line lan annealing lan pangolahan perawatan panas liyane miturut kabutuhan customer.
https://www.ytdrintl.com/
E-mail :sales@ytdrgg.com
Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.yaiku pabrik pipa baja sing disertifikasi deningEN/ASTM/ JISSpesialisasi ing produksi lan ekspor kabeh jinis pipa persegi dowo persegi, pipa galvanis, pipa las ERW, pipa spiral, pipa las busur submerged, pipa jahitan lurus, pipa mulus, koil baja dilapisi warna, koil baja galvanis lan produk baja liyane. transportasi trep, iku 190 kilometer adoh saka Beijing Capital International Airport lan 80 kilometer adoh saka Tianjin Xingang.
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