陕西无缝管 陕西钢管 西安无缝管 西安无缝钢管
219*6 5150元/吨
| 船级社 Society |
标准或用途 Standard or usage |
钢级 Steel grade |
化学成分 chemical composition, % | |||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Mo | V | P+S | |||
| 德国船级社 GLR |
Non alloly | GL-R 410 | ≤ 0.21 | ≤ 0.35 | ≤1.40 | ≤0.025 | ≤0.020 | - | - | - | ≥0.020 | - | - | - |
| GB 18248 | 37Mn | 0.34~0.40 | 0.10~0.30 | 1.35~1.65 | ≤0.030 | ≤0.030 | ≤0.30 | ≤0.30 | ≤0.20 | - | - | - | ≤0.055 | |
| EN 10297 | 34CrMo4 | 0.30~0.37 | ≤0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.9~1.20 | - | - | - |
0.15 ~0.30 |
- | - | |
| 挪威船级社 DNV |
for pressure ASTM A53/A53M | A53B | ≤ 0.30 | - | ≤1.20 | ≤ 0.050 | ≤ 0.045 | ≤0.40 | ≤0.40 | ≤0.40 | - | ≤0.15 | ≤0.08 | - |
| 美国船级社 ABS |
for pressure | Grade 3 | ≤0.30 | - | ≤1.20 | ≤0.050 | ≤0.045 | ≤0.40 | ≤0.40 | ≤0.40 | - | ≤0.15 | ≤0.08 | - |
| 法国船级社 BV |
for pressure | 410HB | ≤0.21 | ≤0.35 | 0.40~1.20 | ≤0.040 | ≤0.040 | - | - | - | - | - | - | - |
| 英国船级社 LR |
for pressure | 410 | ≤0.21 | ≤0.35 | 0.40~1.20 | ≤0.045 | ≤0.045 | ≤0.25 | ≤0.30 | ≤0.30 | - | ≤0.10 | - | - |
| 韩国船级社 KR |
for pressure | RST138 | ≤ 0.25 | ≤ 0.35 | 0.30~0.90 | ≤0.040 | ≤0.040 | - | - | - | - | - | - | - |
| RST142 | ≤0.30 | 0.30~1.00 | ≤0.040 | ≤0.040 | - | - | - | - | - | - | - | |||
| RST238 | ≤0.25 | 0.10~0.35 | 0.30~1.10 | ≤0.035 | ≤0.035 | - | - | - | - | - | - | - | ||
| RST242 | ≤0.30 | 0.30~1.40 | - | - | - | - | - | - | - | |||||
| RST249 | ≤0.33 | 0.30~1.50 | - | - | - | - | - | - | - | |||||
| RST338 | ≤ 0.25 | 0.30~0.90 | - | - | - | - | - | - | - | |||||
| RST342 | ≤ 0.30 | 0.30~1.00 | - | - | - | - | - | - | - | |||||
| 日本船级社 NK |
for pressure | grade 1 No3/ KSTPG 42 | ≤ 0.30 | ≤ 0.35 | 0.30~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
| 中国船级社 CCS |
for pressure | 360 | ≤ 0.17 | ≤ 0.35 | 0.40~0.80 | ≤ 0.040 | ≤ 0.040 | ≤0.25 | ≤0.30 | ≤0.30 | ≤0.10 | |||
| 410 | ≤ 0.21 | ≤ 0.35 | 0.40~1.20 | ≤ 0.040 | ≤ 0.040 | ≤0.25 | ≤0.30 | ≤0.30 | ≤0.10 | |||||
| 460 | ≤ 0.22 | ≤ 0.35 | 0.80~1.40 | ≤ 0.040 | ≤ 0.040 | ≤0.25 | ≤0.30 | ≤0.30 | ≤0.10 | |||||
| 490 | ≤ 0.23 | ≤ 0.35 | 0.80~1.50 | ≤ 0.040 | ≤ 0.040 | ≤0.25 | ≤0.30 | ≤0.30 | ≤0.10 | |||||
镀锌钢管重量公式：[(外径-壁厚)*壁厚]*0.02466=kg/米(每米的重量)
普通镀锌焊管1.2寸重量为3.13kg/m，1.5寸重量为3.84kg/m；
加厚型镀锌焊管1.2寸重量为3.78/m，1.5寸重量为4.58kg/m；
加厚型镀锌焊管1.2寸重量为3.78/m，1.5寸重量为4.58kg/m；
镀锌钢管的重量系数
公称壁厚mm 2.0、2.5、2.8、3.2、3.5、3.8、4.0、4.5
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