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American standard ASME SA106B steel
ASME SA106B is the steel number in the American standard high pressure boiler tube. It is a carbon-manganese steel for high-temperature large-diameter boilers and superheaters. Similar to 20G (Q245R) carbon steel high pressure boiler tube, but its yield strength is higher than Q245R.
Mechanical Properties of ASME SA106
| Standard |
Grade |
Tensile Strength (MPa) |
Yield Strength (MPa) |
|
ASME SA106 |
B |
≥ 415 |
≥ 240 |
Chemical Composition of ASME SA106
| Standard |
ASME SA106 |
|
|
Grade |
B |
|
|
Chemical Composition (%) |
C |
≤ 0.30 |
|
Si |
≥ 0.10 |
|
|
Mn |
0.29-1.06 |
|
|
P |
≤ 0.035 |
|
|
S |
≤ 0.035 |
|
|
Cr |
≤ 0.40 |
|
|
Mo |
≤ 0.15 |
|
|
Cu |
≤ 0.40 |
|
|
Ni |
≤ 0.40 |
|
|
V |
≤ 0.08 |
|
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