Description
Alloy Steel Tube For Boiler JIS G3462
JIS G3462 specifies the alloy steel boiler tubes for exchanging heat on the inside and outside of the water tube,smoke tube superheater tubes,ect.
Grades:STB12,STB13,STB20,STB22,STB23,STB24,STB25,STB26
Molybdenum steel tube:STB12,STB13
Chromium-molybdenum steel tube:STB20,STB22,STB23,STB24,STB25,STB26
The JIS G3462 boiler tube Size:
Outer Dimensions: 19.05mm – 168.3mm
Wall Thickness:2.0mm – 14 mm
Length: max 19000mm
JIS G3462 Chemical Composition：
|
Standead |
Grade |
Chemical Composition % |
||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
||
|
JIS G3462 |
STBA12 |
0.10-0.20 |
0.30-0.80 |
≤0.035 |
≤0.035 |
0.10-0.50 |
… |
0.45-0.65 |
|
STBA13 |
0.15-0.25 |
0.30-0.80 |
≤0.035 |
≤0.035 |
0.10-0.50 |
… |
0.45-0.65 |
|
|
STBA20 |
0.10-0.20 |
0.30-0.60 |
≤0.035 |
≤0.035 |
0.10-0.50 |
0.05-0.08 |
0.45-0.65 |
|
|
STBA22 |
≤0.15 |
0.30-0.60 |
≤0.035 |
≤0.035 |
≤0.50 |
0.08-1.25 |
0.45-0.65 |
|
|
STBA23 |
≤0.15 |
0.30-0.60 |
≤0.030 |
≤0.030 |
0.50-1.00 |
1.00-1.50 |
0.45-0.65 |
|
|
STBA24 |
≤0.15 |
0.30-0.60 |
≤0.030 |
≤0.030 |
≤0.50 |
1.90-2.60 |
0.87-1.13 |
|
|
STBA25 |
≤0.15 |
0.30-0.60 |
≤0.030 |
≤0.030 |
≤0.50 |
4.00-6.00 |
0.45-0.65 |
|
|
STBA26 |
≤0.15 |
0.30-0.60 |
≤0.030 |
≤0.030 |
0.25-1.00 |
8.00-10.0 |
0.90-1.10 |
|
JIS G3462 Mechanical Proerties：
|
Standead |
Grade |
Mechanical Proerties |
||
|
Tensile Strength (Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
||
|
JIS G3462 |
STBA12 |
≥382 |
≥206 |
≥30 |
|
STBA13 |
≥412 |
≥206 |
≥30 |
|
|
STBA20 |
≥412 |
≥206 |
≥30 |
|
|
STBA22 |
≥412 |
≥206 |
≥30 |
|
|
STBA23 |
≥412 |
≥206 |
≥30 |
|
|
STBA24 |
≥412 |
≥206 |
≥30 |
|
|
STBA25 |
≥412 |
≥206 |
≥30 |
|
|
STBA26 |
≥412 |
≥206 |
≥30 |
|
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HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com
,
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com