Germany · DIN
1.0562
DIN EN 10217-3:2005 — Welded steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.02 | Al/N=>2 | Al/N=>2 | |
| C | 0.2 | |||
| Cr | 0.3 | |||
| Cr+Cu+Mo | The sum of the percentage by mass of the three elements Cr | The sum of the percentage by mass of the three elements Cr | ||
| Cu | 0.3 | |||
| Mn | 0.9 | 1.7 | ||
| Mo | 0.08 | |||
| N | 0.02 | |||
| Nb | 0.05 | |||
| Nb+Ti+V | 0.12 | |||
| Ni | 0.5 | |||
| P | 0.025 | |||
| S | 0.02 | |||
| Si | 0.5 | |||
| Ti | 0.03 | |||
| V | 0.1 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| welded steel tube +N, 12 < T <=, 20 mm | ≥355 or Upper yield stress | 490–650 | ≥22 long. test | |||
| welded steel tube +N, 20 < T <=, 40 mm | ≥345 or Upper yield stress | 490–630 | ≥22 long. test | |||
| welded steel tube +N, T <= 12 mm | ≥355 or Upper yield stress | 490–650 | ≥22 long. test | |||
| welded steel tube, welded condition | ≥39 KV (20°C);≥31 KV (-10°C);≥31 KV (-0°C);≥27 KV (-20°C);≥55 KV (20°C);≥47 KV (0°C);≥43 KV (-10°C);≥40 KV (-20°C) |
Physical properties
-100.0
| Elastic modulus | Mean thermal expansion | Thermal conductivity | Specific heat | Resistivity | Density | Poisson's ratio |
|---|---|---|---|---|---|---|
| 217.00 | 10.80 | 37.60 | 371.00 | 0.18 |
Typical physical values
| Density | Elastic modulus | Poisson's ratio | Remarks |
|---|---|---|---|
| 7.86 | 203.00 | 0.27–0.30 | 低碳,低合金钢的典型性能数值。此值不来源于标准,它是指示性指标,不能被用于设计用途。 |
High/low temperature
| Condition | Temperature ℃ | min | Remarks |
|---|---|---|---|
| welded steel tubes as-welded | -10 | 31 | KV |
| welded steel tubes as-welded | -20 | 27 | KV |
| welded steel tubes as-welded | 0 | 31 | KV |
| welded steel tubes as-welded | -10 | 43 | KV |
| welded steel tubes as-welded | -20 | 40 | KV |