JIS G 3461 SEAMLESS CARBON STEEL TUBE FOR BOILER AND SUPERHEARTER
Specifications:
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE, ends caps
Marking: as per requirement
Size:(mm) As per standard or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length
Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement
CHEMICAL COMPOSITION (%):
|
Grade |
Chemical Composition |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
|
|
STB340 |
≤0.18 |
≤0.3 |
0.300.60 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
|
STB410 |
≤0.32 |
≤0.35 |
0.300.80 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
MECHNICAL PROPERTIES (Minimum Values) :
|
Grade |
Tensile Strength (MPa) |
Yield Strength(MPa) |
Elongation(%) |
|
STB340 |
≥340 |
≥175 |
≥35 |
|
STB410 |
≥410 |
≥255 |
≥25 |
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
Description:
JISG 3461 SEAMLESS CARBON STEEL TUBE FOR BOILER AND SUPERHEARTER. Mainly used for boiler, superheater, boiler flue, preheating tubes, etc.
Top quality products
Applications:
Mainly used for boiler, superheater, boiler flue, preheating tubes, etc.
Competitive Advantage:
Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.
Advanced equipments. Sincere , truth and careful attitude on communication and production.
