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ASTM A210 Boiler Steel Pipe
A210 : Seamless Midium-Carbon Steel Boiler and Superheater Tubes
Weight Count:
Weight(Kg/M)=(OD-WT)*WT*0.02466
OD:Outside Diameter
WT:Wall-Thickness
The main production steel grades:
A-1, C, etc.
are negotiated, but also supply other grades of steel.
Mechanical properties:
|
Standard |
Trademark |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
|
ASTMA210 |
A-1 |
≥ 415 |
≥ 255 |
≥ 30 |
|
C |
≥ 485 |
≥ 275 |
≥ 30 |
Chemical composition:
|
Standard |
Trademark |
Chemical composition Chemical composition limits,% |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
||
|
ASTM A210 |
C |
≤ 0.35 |
≥ 0.10 |
0.29 to 1.06 |
≤ 0.035 |
≤ 0.035 |
/ |
/ |
/ |
/ |
/ |
|
A-1 |
≤ 0.27 |
≥ 0.10 |
≤ 0.93 |
≤ 0.035 |
≤ 0.035 |
/ |
/ |
/ |
/ |
/ |
|
Remarks Remarks:
| HR: hot rolled | CW: cold worked drawing | SR: stress relieved stress is removed |
| A: annealed annealed | N: normalized normalized |
HF: hot |
A210 Seamless Boiler Tube Delivery Condition :
As different requirements,It including pickling,etc
|
|
C max
|
Mn max
|
P max
|
S max
|
Si min
|
Cr max
|
Ni max
|
Mo max
|
Cu Max
|
|
Gr.A1
|
0.27
|
0.93
|
0.035
|
0.035
|
0.10
|
...
|
...
|
...
|
...
|
|
Gr.C
|
0.35
|
0.29-1.06
|
0.035
|
0.035
|
0.10
|
...
|
...
|
...
|
...
|
|
|
Tensile(Mpa)
|
Yeild(Mpa)
|
Elongation(%)
|
Hardness MAX
|
|
Gr.A1
|
415
|
255
|
30
|
79HRB
|
|
Gr.C
|
485
|
275
|
30
|
89HRB
|
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