標準
用途
尺寸公差
力學性能
標準 | 牌號 | 抗拉強度(MPa) | 屈服強度(MPa) | 伸長率(%) |
GB/T8162 | 10 | ≥335 | ≥205 | ≥24 |
20 | ≥390 | ≥245 | ≥225 | 22 |
35 | ≥510 | ≥305 | ≥235 | 20 |
45 | ≥590 | ≥335 | ≥265 | |
≥490 | ≥325 | ≥295 | ||
≥440 | ≥295 | ≥325 | ||
≥490 | ≥245 | ≥2 | ||
ASTM A53 ASME SA53 | A | ≥330 | ≥205 | 查看ASTM A53的表 查看ASME SA53的表 |
B | ≥415 | ≥240 |
化學成分
標準 | 牌號 | 化學成分(%) | |||||||||
C | Si | Mn | P | S | Cu | Ni | Mo | Cr | V | ||
GB/T8162 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.15 | / |
20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
35 | 0.32~0.40 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
Q345 | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | / | |
15CrMo | 0.12~0.18 | 0.17~0.37 | 0.40~0.70 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | 0.40~0.55 | 0.80~1.10 | / | |
12Cr1MoV | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | 0.25~0.35 | 0.90~1.20 | 0.15~0.30 | |
ASTMA53 ASMESA53 | A | ≤0.25 | / | ≤0.95 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
B | ≤0.30 | / | ≤1.20 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |