Materials:There are carbon steel , ferritic and austenitic alloy steel , which complies with requirements of A450/A450M.
Standard:ASTM A179/192/210 GB3087 GB5310
Application:For boiler service
Sizes:O.D.:Φ10.3mm~914mm , W.T.:0.5mm~914mm.
Chemical Composition , Mass Fraction(%):
| Standard | Steel Grade | C | Mn | P | S | Si | Cr | Ni | Cu |
|
| ≤ |
| ASTM A179 | - | 0.06~0.18 | 0.27~0.63 | 0.035 | 0.035 | / | / | / | / |
| ASTM A192 | - | 0.06~0.18 | 0.27~0.63 | 0.035 | 0.035 | 0.25 | / | / | / |
| ASTM A210 | A-1 | 0.27 | 0.93 | 0.035 | 0.035 | ≥0.10 |
|
|
|
| C | 0.35 | 0.29~1.06 | 0.035 | 0.035 | ≥0.10 |
|
|
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| GB 3087 | 10 | 0.07~0.13 | 0.35~0.65 | 0.035 | 0.035 | 0.17~0.37 | 0.15 | 0.30 | 0.25 |
| 20 | 0.17~0.23 | 0.35~0.65 | 0.035 | 0.035 | 0.17~0.37 | 0.25 | 0.30 | 0.25 |
| GB5310 | with the same high teoperature and pressure pipes |
Mechanical Properties:
| Steel Grade | Tensile Strength | Lower Yield Strength(MPa) ≥ | Elongation (%) |
| t≤16 | t>16 | ≥ |
| 10/A179/A192 | 335~475 | 205 | 195 | 24 |
| A210 A1/20 | 410~550 | 245 | 235 | 20 |