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

JIS G 3454 JIS G 3455 SEAMLESS CARBON STEEL HIGH PRESSURE TUBE

Specifications:

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: BE/PE, ends caps

Marking: as per requirement

Size:(mm)  OD: 10.5~660.4mm  (1/8~26 inch)

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
STPG 370	≤0.25	≤0.35	0.30～0.90	≤0.040	≤0.040
STS 370	≤0.25	0.10~0.35	0.30~1.10	≤0.035	≤0.035
STPT 370	≤0.25	0.10~0.35	0.30～0.90	≤0.035	≤0.035

MECHNICAL PROPERTIES (Minimum Values) :

Grade	Tensile Strength (MPa)	Yield Strength(MPa)	Elongation(%)
STPG 370	≥370	≥215	≥30
STS 370	≥370	≥215	≥30
STPT 370	≥370	≥215	≥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:

JIS G 3454 used for pressure service. JIS G 3455 used for high pressure service. Both mainly used for pressure equipment, boiler, superheater, preheating tubes, etc.

Top quality products

Applications:

Mainly used for pressure equipments, boiler, superheater, 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.