標準 | 鋼鉄等級 | C | Si | Mn | P | S |
EN 10305-1 | E215 | ≤0.10 | ≤0.05 | ≤0.70 | ≤0.025 | ≤0.025 |
E235 | ≤0.17 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.025 | |
E355 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | |
DIN 2391 | St35 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 |
St37.4 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
St45 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
St52 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | |
GB/T 3639 | 10 | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | ≤0.030 | ≤0.030 |
20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.030 | ≤0.030 | |
35 | 0.32-0.39 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | |
45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | |
Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.030 |
精密継ぎ目が無い鋼鉄管の熱処理:+C、+LC、+N、+SR
1.--配達:30% T/Tを先立って受け取った後60-70日
2.--支払の言葉:先立って30% T/T、郵送物の前に支払われるバランス70%。
3.--包装:六角形の束のantirust保護、
4.--管(管)の印:標準的な、鋼鉄等級、サイズ、熱NO (または買付権で)。
5.--製造所の検定証:EN10204 3.1