Black Oil Tempered Spring Steel Wire

• Material: Steel Wire
• Cross Sectional Shape: Round
• Application: Widely Used in Automobile, Elevator, Motorcycle, E
• Metal Wire Drawing: Oil Tempered
• Dia: 3mm~16mm
• Transport Package: Waterproof Membrane + PVC + Steel Truss
• Model NO.: 3MM-16MM
• Specification: GB, DIN, JIS, ASTM
• Trademark: Hengjie
• Origin: Nanjing, China
• Production Capacity: 100, 000 Mt/Year

Product Description

Next we introduce the products as follows:

1. Steel Grade: 55CrSi, 60Si2Mn, 65Mn.

2. Size: D3mm-D16mm*C.

3. Min order quantity: 10mt.

4. Package: Waterproof membrane + PVC + steel truss or asper your customers' requirement.

5. Applied standard: Technical agreement.

6. Wire rod process flow:
Billets-RHF-Water descaling-Rolling-Laying head-Control cooling-Finishing, Packing, Warehousing.

7. Inside diameter: 1500mm-2000(mm) or as per your requirements.

8. Out diameter: 1600mm-2400mm or as per your requirements.

9. Tolerance: As per your requirements.

10. Surface treatment: Advanced technology of shot blasting, 100% rubbed smooth, almost can do zero defects for the surface.

11. Quality assurance: Eddy current test online.

12. Service: Ultra fine martensitic structure which could improve the fatigue life of spring.

13. Applicable Industrial: Widely used in automobile, elevator, motorcycle, electric switches, High-speed rail, machinery.

Meanwhile, we also can according to the customer's requests to produce many kinds of strength level for spring steel wire.