Hunan Hengan Weiye Metal Products Co., Ltd.
| Standards | ASTM A519 (US), EN 10297‑1 / DIN 2391 (Europe), GB/T 8162 / GB/T 3639 (Chin |
| Finish | Cold drawn / honed / polished (ID) / skived & roller burnished |
| OD | 20 – 500 mm (custom) |
| Wall Thickness | 3 – 100 mm (custom) |
| Length | 1 – 12 m (custom cut) |
| Grade | AISI/SAE 4340 (US) ; GB 40CrNiMoA (China) ; DIN 34CrNiMo6 / 1.6582 (Germany) |
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Product Specification
| Standards | ASTM A519 (US), EN 10297‑1 / DIN 2391 (Europe), GB/T 8162 / GB/T 3639 (Chin | Finish | Cold drawn / honed / polished (ID) / skived & roller burnished |
| OD | 20 – 500 mm (custom) | Wall Thickness | 3 – 100 mm (custom) |
| Length | 1 – 12 m (custom cut) | Grade | AISI/SAE 4340 (US) ; GB 40CrNiMoA (China) ; DIN 34CrNiMo6 / 1.6582 (Germany) |
The AISI 4340 alloy steel tube is processed via rolling or forging and undergoes quenching and tempering (Q+T) heat treatment. It features high tensile strength, excellent toughness, and fatigue resistance, making it ideal for heavy-duty industrial hydraulic and pneumatic cylinder applications. The product is supplied with precision dimensions, a polished surface, and API certification.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1998
Total Annual:
>1-2 billion
Employee Number:
>200+
Ecer Certification：
Verified Supplier
HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio... HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio...
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