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High Carbon Patented Spring Steel Wire
The high carbon patented spring steel wire adopts lead quenching (Patented) heat treatment process, and through precise temperature control, the high carbon steel (with a carbon content of 0.70%~1.0%) is formed into a uniform martensite structure (with a content of ≥ 90%), and then strengthened by multiple cold drawing processes.
Features
product presentation
The high carbon patented spring steel wire adopts lead quenching (Patented) heat treatment process, and through precise temperature control, the high carbon steel (with a carbon content of 0.70%~1.0%) is formed into a uniform martensite structure (with a content of ≥ 90%), and then strengthened by multiple cold drawing processes. This process significantly improves the tensile strength (1800-2200 MPa) and elastic limit of steel wire, while retaining excellent ductility (torsion times ≥ 15 times), making it suitable for the manufacturing of springs and cables that require high precision and durability
Core advantages
The ultimate performance of the patented process
-Ultra high strength: The tensile strength reaches 1800-2200 MPa, the elastic limit is 30% higher than conventional cold drawn steel wire, and the anti relaxation performance is excellent;
-Excellent fatigue resistance: Tested for millions of cycles without fracture, the service life is increased by 50% 48.
The unique value of non galvanized surfaces
-To avoid the risk of hydrogen embrittlement in electroplating and improve the reliability of materials under dynamic loading;
-Enhancement of adhesion between bare metal surface and rubber/plastic, suitable for manufacturing composite cable cores and seals 310;
-Environmentally friendly and low-carbon, reducing the discharge of electroplating wastewater, in compliance with RoHS/REACH standard 34.
Precision dimensions and batch consistency
-The diameter range is Φ 0.10mm - Φ 12.0mm (supporting customization of coarse wire up to Φ 46mm), with a tolerance control of ± 0.02mm36;
-Surface smoothness Ra ≤ 0.2 μ m, reducing the wear of spring forming molds
Application area
Automobile manufacturing
Clutch springs, suspension coil springs, and valve springs have improved anti relaxation properties, extending their service life by 100000 kilometers
01
Heavy machinery
Crane cables and excavator rigging have a tensile strength of ≥ 2000 MPa and can withstand impact loads of 310
02
Energy drilling
The lifting cable of the oil drilling rig and the spring of the blowout preventer are uncoated and resistant to hydrogen sulfide corrosion, suitable for underground environments
03
Precision instruments
Medical sensor springs, aerospace actuator components ultra-fine wire (Φ 0.10mm) supporting miniaturization design 38
04
Furniture industry
High end mattress support springs, seismic resistant robotic arm joints, and Soxhlet tissue provide uniform elastic response
05
TECHNICAL SPECIFICATIONS
|
Parameter |
Standard Range |
Customization Options |
|
Material Grade |
SAE 1070, EN10270-1 SH, SUP10 (JIS) |
US/EU/JIS Standards Customization |
|
Diameter Range |
0.50–12.0 mm |
Ultra-fine wire (0.10mm) or Heavy wire (up to 46mm) |
|
Tensile Strength |
1800–2200 MPa |
Grade-specific optimization (e.g. ≥2000 MPa for springs) |
|
Torsion Test |
≥15 turns (D=wire diameter) |
Compliant with ASTM A125/JIS G3522 |
|
Surface Finish |
Bright/Phosphated |
Rust-preventive oil coating (for marine transport) |
|
Coil Weight & Packing |
200kg/coil (wooden spool) |
500–2000m/coil (steel reel) |
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