Delivery Time:20~30 days after order
Certification:ISO9001, ISO14001, PED

JISG 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	0.30～0.60	≤0.035	≤0.035	/	/	/	/	/
STB410	≤0.32	≤0.35	0.30～0.80	≤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.