Purpose:
①General boiler tubes are mainly used to make water wall tubes, boiling water tubes, superheated steam tubes, superheated steam tubes for locomotive boilers, large and small smoke tubes and arch brick tubes, etc.
② Boiler seamless steel pipes are mainly used to manufacture superheater tubes, reheater tubes, air guide tubes, main steam pipes, etc. for high-pressure and ultra-high-pressure boilers.
standard:
ASTM A 106M, ASTM A 192M, ASTM A213M, GB/T 5310, JIS G3461
Brand:
A213T11, A213T12, A213T22, A192, A106, A53, etc.
standard | Brand | tensile strength |
Yield Strength not less than |
Elongation not less than |
Impact energy not less than |
hardness no 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 |
|
|
Steel grade |
C |
Si |
Mn |
S |
P |
Cr |
Mo |
other | |
standard | Steel type |
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 |
|
|
|