主要生产钢管牌号
10、20、35、45、16Mn、1020、1045、1541、E275、E315、34CrMo4、42CrMo4、STKM13A、STKM13B等。
化学成分
标 准 | 牌 号 | 化 学 成 分 | |||||||
C | Si | Mn | P、S | Cu | Ni | Mo | Cr | ||
GB/T 8162 | 10 | 0.07~0.14 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.15 |
20 | 0.17~0.24 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | |
35 | 0.32~0.40 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | |
45 | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | |
16Mn | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.035 | ≤0.25 | ≤0.25 | / | ≤0.25 | |
ASTM A519 | 1020 | 0.18~0.23 | / | 0.30~0.60 | ≤0.040 | / | / | / | / |
1045 | 0.43~0.50 | / | 0.60~0.90 | ≤0.040 | / | / | / | / | |
1541 | 0.36~0.44 | / | 1.35~1.65 | ≤0.040 | / | / | / | / | |
EN10297-1 | E275 | ≤0.21 | ≤0.35 | ≤1.40 | ≤0.030 | / | / | / | / |
E315 | ≤0.21 | ≤0.30 | ≤1.50 | ≤0.030 | / | / | / | / | |
34CrMo4 | 0.30~0.37 | ≤0.40 | 0.60~0.90 | ≤0.035 | / | / | 0.15~0.30 | 0.90~1.20 | |
42CrMo4 | 0.38~0.45 | ≤0.40 | 0.60~0.90 | ≤0.035 | / | / | 0.15~0.30 | 0.90~1.20 | |
JIS G3445 | STKM13A | ≤0.25 | ≤0.35 | ≤0.60 | ≤0.040 | / | / | / | / |
STKM13B | ≤0.25 | ≤0.35 | ≤0.60 | ≤0.040 | / | / | / | / |