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 Exchanger, Superheater, Reheater, Boiler, Mechanical

Home ProductsLow Temperature Carbon Steel Pipe

ASTM A334 Seamless Low Temperature Carbon Steel Pipe And Tube Straight

ASTM A334 Seamless Low Temperature Carbon Steel Pipe And Tube Straight

ASTM A334  Seamless Low Temperature Carbon Steel Pipe And Tube Straight

Product Details:

Place of Origin: China
Brand Name: HENGLONG
Certification: ISO9001, OHSAS18001, ISO14001, PED97/23/EC

Payment & Shipping Terms:

Price: Negoniation
Packaging Details: Wooden cases
Delivery Time: 15-30 days
Payment Terms: L/C, T/T
Supply Ability: 6000 metric tons per month
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Detailed Product Description
Standard: ASTM A334 Steel Grade: Carbon Steel, Alloy Steel
Section: Round Shape: Straight
Application: Low Temperature Service

ASTM A334 Carbon Steel Seamless Low Temperature Pipe And Tube





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

Ends: BE/PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed/Normalized/Tempered

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



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



Grade Tensile Strength σb(Mpa) Yield Strength σs(Mpa) Elongation δ(%)  
1 ≥380 ≥205 ≥28  
6 ≥415 ≥240 ≥22  




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%



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.



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



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.

Contact Details
Zhangjiagang Bonded Area Henglong Steel Tube Co., Ltd.

Contact Person: Yaxin

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