Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.
Zhangjiagang Bonded Area Yaxin Precision Tube Co., Ltd. Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd. Steel Tubing for Automotive Powertrain, Shock Aborber, Steering And Steel Tubing for Heat
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JIS G3454 Cold Drawn Carbon Steel High Pressure Seamless Boiler Tubes
Applications:
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 |
| STPG 410 | ≤0.30 | ≤0.35 | 0.30～1.00 | ≤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:
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.