ASTM A210 Boiler Seamless Pipe
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ASTM A210(ASME SA210) Boiler Seamless Pipe
Seamless Medium Carbon Steel Boiler and Superheater ,For manufacturing wall panel,economizer,superheater and steam pipeline of boilers
Size: OD: 12~70mm
WT: 1~8mm
Length: 14000mm Max.
Description:
1. Tubes are made by the seamless process and are cold finished.
2. Cold finished tubes are heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.
|
Grade and Chemical Composition( %) |
||||||||||
|
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≤ |
Cr≤ |
Cu≤ |
Mo≤ |
Ni≤ |
V≤ |
|
A |
0.25 |
0.27~0.93 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
B |
0.30 |
0.29~1.06 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
Mechanical Properties |
||||
|
Grade |
Tensile Strength (Mpa) |
Yield Point (Mpa) |
Elongation (%) |
Delivery Condition |
|
A |
≧330 |
≧205 |
≧20 |
Annealed |
|
B |
≧415 |
≧240 |
≧20 |
Annealed |
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