DIN2391 ST37.4 Cold Drawn Precision Seamless Steel Tubes for Automotive Applications - 480 N/mm² Tensile Strength
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
30days
Brand:
Joyruns
Product Description
DIN2391 ST37.4 Cold Drawn Precision Seamless Steel Tubes
High-precision cold drawn seamless steel tubes manufactured to DIN2391 ST37.4 standards, specifically engineered for automotive applications requiring dimensional accuracy and mechanical reliability.
Product Overview
These cold drawn precision seamless tubes are phosphate-treated and manufactured according to DIN2391 standards, with equivalent EN10305-1 E235 E355 +N specifications. The tubes offer exceptional dimensional accuracy, surface finish, and mechanical properties for demanding applications.
Key Applications
- Automotive shock absorber inner cylinders
- Hydraulic oil cylinder tubes
- Motorcycle shock absorber steel tubes
- Heavy equipment manufacturing (cranes, garbage trucks)
- General machinery components
Material Advantages
Carbon Steel DIN 2391 tubing provides outstanding sturdiness, dimensional accuracy, and toughness. The standard specifies seamless steel tubes suitable for automotive and mechanical applications where precision and reliability are critical.
Chemical Composition - DIN2391-2 Grade St 37
| Standard | Grade | C | Si | Mn | P max | S max |
|---|---|---|---|---|---|---|
| DIN2391 | St37 | ≤0.17 | ≤0.35 | ≥0.35 | 0.04 | 0.04 |
Mechanical Properties
| Processing | Grade | Tensile (N/mm²) | Yield Point (N/mm²) | Elongation (%) |
|---|---|---|---|---|
| Cold Drawn (Mandatory) | St37 | 480 | - | 6 |
| Cold Drawn (Soft) | St37 | 420 | - | 10 |
| Cold Drawn & Stress Release | St37 | 420 | 315 | 14 |
| Anneal | St37 | 315 | - | 25 |
| Normalizing | St37 | 350-480 | 235 | 25 |
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee