ASTM A192 Seamless Boiler Tubes:
For manufacture heating-pipelines,containers,coal-saving devices,superheaters and reheaters of high pressure boilers(P>9.8Mpa, 450<T<650)
Standard
|
Grade
|
Chemical Composition(%) |
Mechenical Properties |
|||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
No
|
V
|
(Mpa)Tensie strength
|
(Mpa)Yield strength
|
(%) Elongation
|
||
GB5310/ASTM A192 |
20G |
0.17- 0.24 |
0.17- 0.37 |
0.35- 0.65 |
≤ 0.030 |
≤ 0.030 |
/ |
/ |
/ |
410-550 |
≥245 |
≥24 |
20MoG |
0.17- 0.24 |
0.17- 0.38 |
0.70- 1.00 |
≤ 0.030 |
≤ 0.030 |
/ |
/ |
/ |
≥415 |
≥240 |
≥22 |
|
15MoG |
0.12- 0.20 |
0.17- 0.37 |
0.40- 0.80 |
≤ 0.030 |
≤ 0.030 |
/ |
0.25- 0.35 |
/ |
450-600 |
≥270 |
≥22 |
|
15Cr1 MoG |
0.12- 0.18 |
0.17- 0.37 |
0.40- 0.70 |
≤ 0.030 |
≤ 0.030 |
0.80- 1.10 |
0.40- 0.55 |
/ |
440-640 |
≥235 |
≥21 |
|
12Cr2 MoG |
0.08- 0.15 |
≤0.50 |
0.40- 0.70 |
≤ 0.030 |
≤ 0.030 |
2.00- 2.50 |
0.90- 1.20 |
/ |
450-600 |
≥280 |
≥20 |
|
12Cr1 MoVG |
0.08- 0.15 |
0.17- 0.35 |
0.40- 0.70 |
≤ 0.030 |
≤ 0.030 |
0.90- 1.20 |
0.25- 0.35 |
0.15- 0.30 |
470-640 |
≥255 |
≥21 |