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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ASTM A334 Carbon Steel Seamless Low Temperature Pipe And Tube
SPECIFICATIONS:
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD: 10.3 – 114.3mm (1/8 – 4 in.) WT: 1 – 12mm
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 | C≤ | Mn | P≤ | S≤ | Si≥ |
| 1 | 0.30 | 0.40~1.06 | 0.025 | 0.025 | -- |
| 6 | 0.30 | 0.29-1.06 | 0.025 | 0.025 | 0.10 |
MECHANICAL PROPERTIES:
| Grade | Tensile Strength σb(Mpa) | Yield Strength σs(Mpa) | Elongation δ(%) | |
| 1 | ≥380 | ≥205 | ≥28 | |
| 6 | ≥415 | ≥240 | ≥22 |
DIMENSION TOLERANCE:
| Processing | Size | Tolerance | |
| SEAMLESS | OD | <25.4mm | ±0.10mm |
| 25.4~38.1mm | ±0.15mm | ||
| 38.1~50.8mm | ±0.20mm | ||
| 50.8~63.5mm | ±0.25mm | ||
| 63.5~76.2mm | ±0.30mm | ||
| 76.2~101.6mm | ±0.38mm | ||
| 101.6~190.5mm | +0.38mm~-0.64mm | ||
| WT | OD≤38.1mm | 0~+20% | |
| OD≥38.1mm | 0~+22% | ||
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening,impact, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
Description:
ASTM A334(ASME SA334/334M)
Seamless steel pipe for low temperature application
Size range from OD: OD: 10.3 – 114.3mm (1/8 – 4 in.) or as per customer’s requirement
ASTM A334 is the standard of seamless or welded steel pipe for low-temperature service. It is minimum-wall-thickness pipes under this standard.
Top quality products
Applications:
Low-temperature service. Superheater. Heat-exchanger and other heat supply/heat transfer equipment, 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.