The Pipe Heat Exchanger

Standard : JIS G3461 JIS G3462
Main steel grade : STB340,STB410,STBA22,STBA23, etc.
The Pipe Heat Exchanger
Standard : JIS G3461 JIS G3462
Application :
For boiler water pipe, smoke pipe, superheater pipe, air pre-heater pipe, etc.
Main steel grade : STB340,STB410,STBA22,STBA23, etc.
After negotiation we can supply the other grade pipes.
Mechanical Properties:
Standard
Steel Grade
Tensile Strength(MPa)
Yield Point(MPa)
Elongation(%)
JIS G3461
STB340
≥340
≥175
≥35
STB410
≥410
≥255
≥25
JIS G3462
STBA22
≥415
≥210
≥30
STBA23
≥415
≥210
≥30
Chemical Properties
Standard
Steel Grade
Chemical Coposition
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
JIS G3461
STB340
≤0.18
≤0.3
0.300.60
≤0.035
≤0.035
/
/
/
/
/
STB410
≤0.32
≤0.35
0.300.80
≤0.035
≤0.035
/
/
/
/
/
JIS G3462
STBA22
≤0.15
≤0.50
0.300.60
≤0.035
≤0.035
0.801.25
0.450.65
/
/
/
STBA23
≤0.15
0.501.00
0.300.60
≤0.030
≤0.030
1.001.50
0.450.65
/
/
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