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Oil Tempered Spring Wire

ASTM A229 / EN 10270-2 55CrSi Oil Tempered Spring Wire For Machinery Manufacturing

ASTM A229 / EN 10270-2 55CrSi Oil Tempered Spring Wire For Machinery Manufacturing

55CrSi Oil Tempered Spring Wire An exceptional spring steel wire with superior elasticity and fatigue properties to bring your projects and applications to life. It is widely used in automotive suspension, industrial machinery, electronic equipment and household appliances. Its high strength and corrosion resistance make it ideal for high-load, high-precision spring components.

ASTM A229 / EN 10270-2 55CrSi Oil Tempered Spring Wire For Machinery Manufacturing

Product Name: Oil Quenched-tempered Spring Steel Wire                        
Material: 55CrSi, 50CrV, 9254, 9254V, 60SiZMn,etc.                        
Use: Clutch spring, suspension spring, valve spring, etc.                        
Standard: ASTM A229 / A401 / A1000 / A 877, EN 10270-2, etc.                        
Diameter: φ1.8mm -φ16mm                        
Cross Section: Special-shaped steel bars with circular and various non-circular sections


Features of 55CrSi Oil Tempered Spring Wire:

1. high strength: excellent tensile strength, suitable for high load spring components.

2. excellent fatigue properties: durable, long term elasticity and long service life. 3. good shape memory.

3. good shape memory: under repeated loads, the original shape can be restored to maintain stability. 4. corrosion resistance: with excellent tensile strength, suitable for high load spring components.

4. Corrosion resistance: suitable for harsh environmental conditions. 5.

5. High temperature stability: suitable for high temperature applications.

6. Precise Diameter Control: Ensure the stability of precision applications.

7. Excellent surface treatment: clean surface, reduce friction and improve motion efficiency.


Application:

55CrSi Oil Tempered Spring Wire plays a key role in a number of fields. Its high strength and corrosion resistance make it ideal for many projects and applications. The following are some of the application areas:

1. automotive industry: used in the manufacture of spring components for automotive suspension and braking systems.

2. industrial machinery: spring components used in industrial equipment and machinery such as compressors, pumps, valves, etc.

3. electronic equipment: spring connectors and conductive springs used in the manufacture of electronic products.

4. household appliances: spring components for household appliances, such as washing machines, air conditioners, etc.

5. construction and building materials: spring applications used in construction and building materials.



Quality Control


Raw Materials: MTC checking(PMI), Tensile strength test, Surface/Dimension inspection
Production: Specially assigned person shall follow up and check according to the process flow card, and finally keep the copy

Before shipment: Mechanical properties test, Surface/Dimension inspection, or according to customers’ requirement


Quality control of raw materials

Slight changes in chemical composition and mechanical properties of raw materials will have a significant impact on the properties of finished steel wire. Therefore, the quality of base bar is one of the key factors to determine the quality of finished steel wire. We will strictly test the raw materials. Only raw materials that pass the test and meet the standards can go to the next process.

Factory advantages:

We have 7 advanced electric furnace production lines, and the rolling is up and down synchronization
20000 tons annual capacity, wire OD range is 0.15-16mm, and covers the most materials
Raw materials come from well-known factories with guaranteed quality
The staff are skilled in operation, adjust the mold and pull line once, and the yield is high
Strict quality inspection, four quality inspections from online to offline
Strict compliance with international standards such as ASTM, DIN, GTB, JIS, JSG, etc. We can also customize shaped and non-standard wires according to customer requirements.


Oil Tempered Spring Wire55CrSi Spring WireSpring Wire

Quality Control

Production process of stainless steel wire

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