JIS G3461 steel pipe,JIS G3462 steel pipe
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JIS G3461 steel pipe,JIS G3462 steel pipe
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Standard:- JIS G3461 Carbon steel boiler and heat exchanger tubes
- JIS G3462 Alloy steel boiler and heat exchanger tubes
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Size (mm):
- Outer Dimensions: 19.05mm ~ 168.3mm
- Wall Thickness: 2.0mm ~ 14 mm
- Length: max 19000mm
- Application: used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superherater tubes, air preheater tubes, etc. of boilers, and heat exchanger industries. it is not applicable to the steel tubes for heating furnace and those for heat exchangers for low temperature service.
- The main products of steel / steel grade: G3461(STB340, STB410, STB510), G3462(STBA22, STBA23) .
- Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
Purpose:
For the boiler pipes, tobacco pipes, superheater tubes, air preheater tubes.
The main production steel grades:
STB340, STB410, STBA22, STBA23 so on.
After consultation, can also supply other grades of steel.
Chemical Composition：
|
Standard |
Trademark |
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 |
/ |
/ |
/ |
|
Mechanical properties:
|
Standard |
Trademark |
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 |
