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 输油管·内螺纹钢管 |
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电站锅炉用内螺旋筋钢管
SEAMLESS INTERNAL SPIRAL-RIBBED HIGH PRESSURE BOLIER STEEL TUBES FOR POWER PLANT |
标准(Standard): ASTM A213/A213M——锅炉、过热器和换热器用无缝铁素体和奥氏体合金
钢管规格
(Standard Specification for Seamless Ferritic and Austenitic
Alloy-Steel Bolier,
Superheater,and Heat-Exchangger Tubes)
标准(Standard):GB5310——中国国家标准 Chinese National Standard
Application: Applied in manufactureing water cooled furnace of boliers in the
eletric station,eliminating steam film efficiently in inner walls
of tubes,improving thermal efficiency of walls of bolier |
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| ·化学成分、机械性能 |
标准
Standard |
编号
Grade |
机械性能 Mechanical Properties |
抗拉强度(Mpa)
Tensile Strength |
屈服强度(Mpa)
Yield Strength |
硬度(max)
Hardness |
| ASTM A213/A213M |
T2 |
≥415 |
≥205 |
85HRB |
| T12 |
≥415 |
≥220 |
85HRB |
| ASTM A21O/A210M |
SA210A |
≥485 |
≥275 |
85HRB |
| GB531O |
2OG |
415-550 |
≥245 |
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| 15GrMoG |
440-640 |
≥235 |
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| 12GrlMoVG |
475-640 |
≥235 |
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