JIS G3462 STBA12/STBA13/STBA20/STBA22/STBA23/STBA24/STBA25/STBA26 Alloy steel Tube
Application
Boiler,Superheater, Condenser and Heat-exchanger
Size Range
OD: 12.7-177.8 mm
WT:2.2-15 mm
Length: 3m-12m or according to your requirements
|
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 |
|
|
Standead |
Grade |
Mechanical Properties |
||
|
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 |
|
Surface Treatment
Black painting, transparent oil etc
Inspection
Chemical Composition Inspection,Mechanical Properties Test, Surfactsurfact and Dinmension Test, Non-destructive test, Hydrostatic Test.
Heat Treatment
Annealed & Normalized
Packages
Bundles, wooden cases or according to your requirements
Certificate
ISO,PED,BV etc
