China AISI 8650 St37 Alloy Seamless Steel Pipe Manufacturer with Implementation Standards, Find details about China Alloy Seamless Steel Pipe, Alloy Seamless Steel Tube from AISI 8650 St37 Alloy Seamless Steel Pipe Manufacturer with Implementation Standards
Implementation standards:
GB5310 (2008) - seamless steel tube for high pressure boiler (GB)
ASTM A333 (2004) - low temperature with seamless steel tube (American Standard)
ASTM A335 (2006) - high temperature for Seamless Ferritic Alloy steel pipe (American Standard)
DIN17175 - heat resistant seamless steel pipe (German standard)
EN10216-2 - European Pressure Piping standard use
Chemical Composition:
Standard | Grade | Chemical Composition(%) | ||||||
C | Si | Mn | P | S | Cr | Mo | ||
GB5310 | 20MnG | 0.17~0.23 | 0.17~0.37 | 0.70~1.00 | ≤0.025 | ≤0.015 | ≤0.25 | ≤0.15 |
25MnG | 0.23~0.27 | 0.17~0.37 | 0.70~1.00 | ≤0.025 | ≤0.015 | ≤0.25 | ≤0.15 | |
15CrMoG | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.015 | 0.80~1.10 | 0.40~0.55 | |
12Cr2MoG | 0.08~0.15 | ≤0.50 | 0.40~0.60 | ≤0.025 | ≤0.015 | 2.00~2.50 | 0.90~1.13 | |
12Cr1MoVG | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.025 | ≤0.010 | 0.90~1.20 | 0.25~0.35 | |
10Cr9Mo1VNbN | 0.08~0.12 | 0.20~0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.00~9.50 | 0.85~1.05 | |
ASTM A335 | 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 |
P12 | 0.05~0.15 | ≤0.50 | 0.30~0.61 | ≤0.030 | ≤0.030 | 0.80~1.25 | 0.44~0.65 | |
P22 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.030 | ≤0.030 | 1.90~2.60 | 0.87~1.13 | |
P5 | ≤0.15 | ≤0.50 | 0.30~0.60 | ≤0.030 | ≤0.030 | 4.00/6.00 | 0.45/0.65 | |
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 | |
P92 | 0.07~0.13 | ≤0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.50~9.50 | 0.30~0.60 | |
DIN 17175 | ST45.8 | ≤0.21 | 0.10~0.35 | 0.40~1.20 | ≤0.040 | ≤0.040 |
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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 | 0.40~0.70 | ≤0.035 | ≤0.035 | 2.00~2.50 | 0.90~1.20 | |
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 |
Standard | Grade | Chemical Composition(%) | ||||||
Cu | Ni | V | Alt | W | Nb | N | ||
GB5310 | 20MnG | ≤0.20 | ≤0.25 | ≤0.08 |
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25MnG | ≤0.20 | ≤0.25 | ≤0.08 |
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15CrMoG | ≤0.20 | ≤0.30 |
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12Cr2MoG | ≤0.20 | ≤0.30 |
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12Cr1MoVG | ≤0.20 | ≤0.30 | 0.15~0.30 |
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10Cr9Mo1VNbN | ≤0.20 | ≤0.40 | 0.18~0.25 | ≤0.020 |
| 0.06~0.10 | 0.03~0.07 | |
ASTM A335 | P11 |
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P12 |
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P22 |
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P5 |
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P91 |
| ≤0.40 | 0.18~0.25 | ≤0.015 |
| 0.06~0.10 | 0.03~0.07 | |
P92 | B0.001 0.006 | ≤0.40 | 0.15~0.25 | ≤0.015 | 1.50~2.00 | 0.04~0.09 | 0.03~0.07 | |
DIN 17175 | ST45.8 |
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15Mo3 |
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13CrMo44 |
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10CrMo910 |
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EN1021 6-2 | 15NiCuMoNb5-6-4 (WB36) | 0.50~0.80 | 1.00~1.30 |
| ≤0.05 |
| 0.015~0.045 | |
Standard | Grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | Impact work(J) | Hardness |
GB5310 | 20MnG | ≥415 | ≥240 | ≥22 | ≥35 |
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25MnG | ≥485 | ≥275 | ≥20 | ≥35 |
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15CrMoG | 440~640 | ≥235 | ≥21 | ≥35 |
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12Cr2MoG | 450~600 | ≥280 | ≥20 | ≥35 |
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12Cr1MoVG | 470~640 | ≥255 | ≥21 | ≥35 |
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10Cr9Mo1VNbN | ≥585 | ≥415 | ≥20 | ≥35 |
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ASTM A333 | A333 Gr1 | ≥380 | ≥205 | ≥28 | -45ºC ≥18 |
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A333 Gr6 | ≥415 | ≥240 | ≥22 | -45ºC ≥18 |
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ASTM A335 | P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB |
P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | |
P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB | |
P91 | 585~760 | ≥415 | ≥20 | ≥35 | ≤250HB | |
P92 | ≥620 | ≥440 | ≥20 | ≥35 | 250HB | |
DIN17175 | ST45.8/III | 410~530 | ≥255 | ≥21 | ≥27(DVM) |
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15Mo3 | 450~600 | ≥270 | ≥22 | ≥34(DVM) |
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13CrMo44 | 440~590 | ≥290 | ≥22 | ≥34(DVM) |
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10CrMo910 | 480~630 | ≥280 | ≥20 | ≥34(DVM) |
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EN10216-2 | 15NiCuMoNb5-6-4 (WB36) | 610~780 | ≥440 | ≥19 | ≥40 |