Implementation Standards
ASTM A 106M、ASTM A 192M、ASTM A213M、GB/T 5310、JIS G3461
Applicable Scope
General boiler tubes are mainly used to make water wall tubes, boiling water pipes, superheated steam pipes, superheated steam pipes used for locomotive boilers, big and small smoke pipes and arch brick pipes, etc..
The boiler seamless steel pipe is mainly used to manufacture high-pressure and ultrahigh pressure boiler superheater, reheater pipe, main steam pipe etc..
Chemical Composition
|
Steel Grade |
C |
Si |
Mn |
S |
P |
Cr |
Mo |
Other |
|
|
Standard |
Steel |
max |
|||||||
|
ASTM A 192M ASME SA-192M |
A192 SA-192 |
0.06 ~ 0.18 |
≤0.25 |
0.27 ~ 0.63 |
0.020 |
0.025 |
|
|
|
|
ASTM A106M ASME SA-106 |
A 106B SA-106B |
≤0.30 |
≥0.10 |
0.29 ~ 1.06 |
0.020 |
0.025 |
|
|
|
|
A 106C SA-106C |
≤0.35 |
≥0.10 |
0.29 ~ 1.06 |
0.020 |
0.025 |
|
|
|
|
|
ASTM A213M ASME SA-213M |
A213 T11 SA-213 T11 |
0.05 ~ 0.15 |
0.50 ~ 1.00 |
0.30 ~ 0.60 |
0.020 |
0.025 |
1.00 ~ 1.50 |
0.44 ~ 0.65 |
|
|
A213 T12 SA-213 T12 |
≤0.15 |
≤0.50 |
0.30 ~ 0.61 |
0.020 |
0.025 |
0.80 ~ 1.25 |
0.44 ~ 0.65 |
|
|
|
JIS G3461 |
STB 340 |
≤0.18 |
≤0.35 |
0.30 ~ 0.60 |
0.020 |
0.025 |
|
|
|
|
GB 5310 |
20G |
0.17 ~ 0.23 |
0.17 ~ 0.37 |
0.35 ~ 0.65 |
0.015 |
0.025 |
|
|
|
Mechanical Property
|
Standard |
Grade |
Tensile Strength |
Yield Strength Not less than |
Elongation Not less than |
Impact Energy Not less than |
Hardness Not greater than |
|
ASTM A106M ASME SA-106 |
A 106B SA-106B |
≥415 |
240 |
30 |
|
|
|
A 106C SA-106C |
≥485 |
275 |
30 |
|
|
|
|
ASTM A 192M ASME SA-192M |
A192 SA-192 |
≥325 |
180 |
35 |
|
77HRB(137HBW) |
|
ASTM A213M ASME SA-213M |
A213 T11 SA-213 T11 |
≥415 |
205 |
|
|
85HRB(163)HBW |
|
A213 T12 SA-213 T12 |
≥415 |
205 |
|
|
85HRB(163)HBW |
|
|
JIS G3461 |
STB 340 |
≥340 |
175 |
35 |
|
|
|
GB 5310 |
20G |
410~550 |
245 |
Longitudinal 24 transverse 22 |
Longitudinal 24 transverse 22 |
|
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