JIS G3461 STB 340/STB 410/STB 510 Carbon 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 |
||
|
JIS G3461 |
STB 340 |
≤0.18 |
0.30-0.60 |
≤0.035 |
≤0.035 |
≤0.35 |
|
STB 410 |
≤0.32 |
0.30-0.80 |
≤0.035 |
≤0.035 |
≤0.35 |
|
|
STB 510 |
≤0.25 |
1.00-1.50 |
≤0.035 |
≤0.035 |
≤0.35 |
|
Standead
Grade
Mechanical
Properties
Tensile
Strength(Mpa)
Yield
Strength(Mpa)
Elongation(%)
JIS G3461
STB 340
≥340
≥175
≥35
STB 410
≥410
≥255
≥25
STB 510
≥510
≥295
≥25
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
