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JIS G3462
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JIS G3462
Still deciding? Get samples first, Contact US !
- Description
-
Product Description
JIS G 3462 tubes are alloy steel tubes for boilers and heat exchangers, which can be formed by bending, crimping and similar processes, and are also suitable for welding. The alloy steel tubes are classified as STBA12, STBA13, STBA20, etc. and are manufactured by resistance welding process.
Product Size
Outside diameter: 15.9~139.8mm
Wall thickness: 1.2~12.50mm
End: flat end, beveling for choice
Length: 3-12 meters or SRL, DRL, double and fixed feet.Packaging
Outer surface with clear/black paint, bundled with steel straps.
Chemical composition
Grade/Elements
C
Mn
P
S
Si
Cr
Cu
Mo
%
≤,%
%
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
0.050~0.080
0.40~0.65
STBA22
≤0.15
0.30~0.60
0.035
0.035
≤0.50
0.80~1.25
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
Product Mechanical Properties
Tensile strength ≥, MPa
Yield strength ≥, MPa
Elongation after break ≥, %
Outer diameter ≥20mm 11, 12 longitudinal specimens
10mm≤Outside diameter≤20mm No.11 longitudinal specimen
Outer diameter <10mm No.11 longitudinal specimen
STBA12
380
205
30
25
22
STBA13
410
205
30
25
22
STBA20
410
205
30
25
22
STBA22
410
205
30
25
22
STBA23
410
205
30
25
22
STBA24
410
205
30
25
22
Application range
Typically used in the construction of petroleum and petrochemical refineries, power plants, boilers and ships that transport fluids and gases with high temperatures and pressures.
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