STPG 370 / 410 Grade High Pressure Pipe welding , boiler / superheater / preheating tubes manufacturer from China CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

STPG 370 / 410 Grade High Pressure Pipe welding , boiler / superheater / preheating tubes

Place of Origin:

Jiangsu, China (Mainland)


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Product Detail

JIS G 3454 CARBON STEEL SEAMLESS HIGH PRESSURE TUBE

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JIS G 3454 CARBON STEEL SEAMLESS 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
Grade	C	Si	Mn	P	S
STPG 370	≤0.25	≤0.35	0.300.90	≤0.040	≤0.040
STPG 410	≤0.30	≤0.35	0.301.00	≤0.040	≤0.040

MECHNICAL PROPERTIES (Minimum Values) :

Grade	Tensile Strength (MPa)	Yield Strength(MPa)	Elongation(%)
STPG 370	≥370	≥215	≥30
STPG 410	≥410	≥245	≥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 CARBON STEEL PIPES FOR PRESSURE SERVICE. 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:

JIS G 3454 is one of our best sell products. We 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.