|
Boiler Steel
Boiler Steel - Size Range
| Thickness: |
6 ~ 120mm |
| Width: |
1500 ~ 3600 mm |
| Length: |
6000 ~ 18000 mm |
Boiler Steel - Chemical Composition
Trade
Mark |
Steel Tube
Classification |
Chemical Composition (Smelting Analysis) % |
| C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
| Max. |
| 10 |
Midium-Low
Pressure
Boiler pipe |
0.07~0.14 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
0.15 |
- |
- |
| 20 |
0.07~0.24 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
0.25 |
- |
- |
| 20G |
High Pressure
Boiler Tube |
0.07~0.24 |
0.17~0.37 |
0.35~0.65 |
0.035 |
0.035 |
0.30 |
- |
- |
Boiler Steel - Mechanical Properties
Trade
Mark |
Mechanical Properties |
Tensile Strength
Mpa |
Yield Point For Tubes With Various Wall Thickness |
Pecentage elongation
Ki=5do% min. |
Impact Toughness Value (DVM-Sample)
J Min. |
Standards
Adpoted |
| ≤16 |
>16 |
| Mpa Min. J |
| 10 |
333 ~ 490 |
196 |
24 |
- |
GB3087 |
| 20 |
392 ~ 588 |
245 |
226 |
20 |
- |
GB3087 |
| 20G |
412 ~ 549 |
245 |
24 |
39 |
GB5310 |
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