BOILER AND HEAT EXCHANGER STEEL TUBEJIS3461,JIS3462
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Product Description
BOILER AND HEAT EXCHANGER STEEL TUBE
STANDARD：
JIS G3461----Japanese Industrial Standards
JIS G3462----Japanese Industrial Standards
APPLICATION：
It is used for boiler and heat exchanger inside and outside tube
Main Steel Tube Grades：
STB340、STB410、STBA22、STBA23。
Other grades can also be provided after consulting with customers.
Mechanical Properties：
|
Standard |
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
|
JIS G3461 |
STB340 |
≥340 |
≥175 |
≥35 |
|
STB410 |
≥410 |
≥255 |
≥25 |
|
|
JIS G3462 |
STBA22 |
≥415 |
≥210 |
≥30 |
|
STBA23 |
≥415 |
≥210 |
≥30 |
Chemical Composition：
|
Standard |
Grade |
Chemical Composition |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
||
|
JIS G3461 |
STB340 |
≤0.18 |
≤0.3 |
0.30～0.60 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
|
STB410 |
≤0.32 |
≤0.35 |
0.30～0.80 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
|
|
JIS G3462 |
STBA22 |
≤0.15 |
≤0.50 |
0.30～0.60 |
≤0.035 |
≤0.035 |
0.80～1.25 |
0.45～0.65 |
/ |
/ |
/ |
|
STBA23 |
≤0.15 |
0.50～1.00 |
0.30～0.60 |
≤0.030 |
≤0.030 |
1.00～1.50 |
0.45～0.65 |
/ |
/ |
/ |
|
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