高压(低中压)锅炉及石化工业用大口径无缝钢管 标准: GB3087 —— 中国国家标准 GB5310 —— 中国国家标准 ASME SA106 —— 美国锅炉及压力容器规范 ASME SA333 —— 美国锅炉及压力容器规范 ASME SA335 —— 美国锅炉及压力容器规范 DIN17175 —— 联邦德国工业标准 EN10216-2 —— 欧洲压力管道标准用途: 用于低中压锅炉(工作压力一般不大于5.88Mpa,工作温度在450℃以下)的集箱及蒸汽管道;用于高压锅炉(工作压力一般在9.8Mpa以上,工作温度在450℃~650℃之间)的集箱及蒸汽管道,石化工业用管。 主要生产钢管牌号: 10、20、20G、20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、10Cr9Mo1VNb、SA106B、SA106C、SA333Ⅰ级、SA333Ⅵ级、SA335 P5、SA335 P11、SA335 P12、SA335P22、SA335 P91、SA335 P92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910、15NiCuMoNb5-6-4等 组距: 钢管种类 | 外径(D) | 壁厚(S) | | 钢管外径(mm) | 允许偏差(mm) | 钢管壁厚(mm) | 允许偏差(mm) | 热轧管 | >219~457 | ±1.0% | ≤20 | -10%,+12.5% | >20~40 | -10%,+10% | >457~1066 | ±0.9% | >40~70 | -7%,+9% | >70~120 | -6%,+8% |
力学性能: 标准 | 牌号 | 抗拉强度(MPa) | 屈服强度(MPa) | 伸长率(%) | 冲击功(J) | 硬度 | | GB3087 | 10 | 335~475 | ≥195 | ≥24 | | / | | 20 | 410~550 | ≥245 | ≥20 | | / | | GB5310 | 20G | 410~550 | ≥245 | ≥24 | ≥35 | / | | 20MnG | ≥415 | ≥240 | ≥22 | ≥35 | / | | 25MnG | ≥485 | ≥275 | ≥20 | ≥35 | / | | 15CrMoG | 440~640 | ≥235 | ≥21 | ≥35 | / | | 12Cr2MoG | 450~600 | ≥280 | ≥20 | ≥35 | / | | 12Cr1MoVG | 470~640 | ≥255 | ≥21 | ≥35 | / | | 10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | ≥35 | / | | ASME SA106 | SA106B | ≥415 | ≥240 | ≥22 | ≥35 | / | | SA106C | ≥485 | ≥275 | ≥20 | ≥35 | / | | ASME SA333 | SA333Ⅰ级 | ≥380 | ≥205 | ≥28 | -45≥18 | / | | ASME SA335 | SA335 P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | SA335 P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | | SA335 P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | | SA335 P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB | | SA335 P91 | 585~760 | ≥415 | ≥20 | ≥35 | ≤250HB | | SA335 P92 | ≥620 | ≥440 | ≥20 | ≥35 | 250HB | | DIN17175 | ST45.8/Ⅲ | 410~530 | ≥255 | ≥21 | ≥27(DVM) | / | | 15Mo3 | 450~600 | ≥270 | ≥22 | ≥34(DVM) | / | | 13CrMo44 | 440~590 | ≥290 | ≥22 | ≥34(DVM) | / | | 10CrMo910 | 480~630 | ≥280 | ≥20 | ≥34(DVM) | / | | EN10216-2 | 15NiCuMoNb5-6-4 (WB36) | 610~780 | ≥440 | ≥19 | ≥40 | / | |
化学成分: 标准 | 牌号 | 化学成分(%) | C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Nb | N | GB3087 | 10 | 0.07~0.13 | 0.17~0.37 | 0.38~0.65 | ≤0.030 | ≤0.030 | 0.3~0.65 | / | ≤0.25 | ≤0.30 | / | / | | | | 20 | 0.17~0.23 | 0.17~0.37 | 0.38~0.65 | ≤0.030 | ≤0.030 | 0.3~0.65 | / | ≤0.25 | ≤0.30 | / | / | | | | GB5310 | 20G | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.030 | ≤0.030 | ≤0.25 | ≤0.15 | ≤0.20 | ≤0.25 | ≤0.08 | | | | | 20MnG | 0.17~0.25 | 0.17~0.37 | 0.70~1.00 | ≤0.030 | ≤0.030 | ≤0.25 | ≤0.15 | ≤0.20 | ≤0.25 | ≤0.08 | | | | | 25MnG | 0.23~0.27 | 0.17~0.37 | 0.70~1.00 | ≤0.030 | ≤0.030 | ≤0.25 | ≤0.15 | ≤0.20 | ≤0.25 | ≤0.08 | | | | | 15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.030 | 0.80~1.10 | 0.40~0.55 | ≤0.20 | ≤0.30 | | | | | | 12Cr2MoG | 0.08~0.15 | ≤0.50 | 0.40~0.70 | ≤0.030 | ≤0.030 | 2.00~2.50 | 0.90~1.20 | ≤0.20 | ≤0.30 | | | | | | 12Cr1MoV | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.25~0.35 | ≤0.20 | ≤0.30 | 0.15~0.30 | | | | | 10Cr9Mo1VNb | 0.08~0.12 | 0.20~0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.00~9.50 | 0.85~1.05 | ≤0.20 | ≤0.40 | 0.18~0.25 | ≤0.015 | | 0.06~0.10 | 0.03~0.07 | ASME SA106 | SA106B | 0.17~0.25 | ≥0.1 | 0.70~1.00 | ≤0.030 | ≤0.030 | | | | | | | | | | SA106C | 0.23~0.27 | ≥0.1 | 0.70~1.00 | ≤0.030 | ≤0.030 | | | | | | | | | | ASME SA333 | SA333Ⅰ级 | 0.09~0.12 | / | 0.7~1.00 | ≤0.020 | ≤0.010 | | | | | | | | | | SA333Ⅵ级 | 0.09~0.12 | ≥0.1 | 0.9~1.10 | ≤0.020 | ≤0.010 | | | | | | | | | | ASME SA335 | SA335 P11 | 0.05~0.15 | 0.50~1.0 | 0.30~0.60 | ≤0.030 | ≤0.030 | 1.00~1.50 | 0.50~1.00 | | | | | | | | SA335 P12 | 0.05~0.15 | ≤0.50 | 0.30~0.61 | ≤0.030 | ≤0.030 | 0.80~1.25 | 0.44~0.65 | | | | | | | | SA335 P22 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.030 | ≤0.030 | 1.90~2.60 | 0.87~1.13 | | | | | | | | SA335 P5 | ≤0.15 | ≤0.50 | 0.30~0.60 | ≤0.030 | ≤0.030 | 4.00/6.00 | 0.45/0.65 | | | | | | | | SA335 P91 | 0.08~0.12 | 0.20~0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.00~9.50 | 0.85~1.05 | | ≤0.40 | 0.18~0.25 | ≤0.015 | | 0.06~0.10 | 0.03~0.07 | SA335 P92 | 0.07~0.13 | ≤0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.50~9.50 | 0.30~0.60 | 0.30~0.60 | ≤0.40 | 0.15~0.25 | ≤0.015 | 1.50~2.00 | 0.04~0.09 | 0.03~0.07 | DIN 17175 | ST45.8/Ⅲ | ≤0.21 | 0.10~0.35 | 0.40~1.20 | ≤0.040 | ≤0.040 | ≤0.30 | | | | | | | | | 15Mo3 | 0.12~0.20 | 0.10~0.35 | 0.40~0.80 | ≤0.035 | ≤0.035 | | 0.25~0.35 | | | | | | | | 13CrMo44 | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | ≤0.035 | ≤0.035 | 0.70~1.10 | 0.45~0.65 | | | | | | | | 10CrMo910 | 0.08~0.15 | ≤0.50 | 0.30~0.70 | ≤0.025 | ≤0.020 | 2.00~2.50 | 0.90~1.10 | ≤0.30 | ≤0.30 | | ≤0.015 | | | | EN1021 6-2 | 15NiCuMoNb5-6-4 (WB36) | ≤0.17 | 0.25~0.50 | 0.80~1.20 | ≤0.025 | ≤0.020 | ≤0.30 | 0.25~0.50 | 0.50~0.80 | 1.00~1.30 | | ≤0.05 | | 0.015~0.045 | |
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