Oil Tempered Spring Wire
We produce standard Oil Tempered Spring Wire with material grades including 65Mn, 70#, 82B, 60Si2MnA and 55CrSi, wire diameter ranging from 0.5mm to 12mm. Precise temperature control during thermal processing guarantees uniform tensile strength and reliable fatigue performance of every Oil Tempered Spring Wire.
Advantages of Tempered Heat Treatment
Uniform internal microstructure
Consistent quenching and tempering eliminates internal stress difference across wire cross-section.
High tensile strength
Pre-adjusted hardness and strength to meet load requirements of various high-performance springs.
Excellent toughness
Tempering process avoids brittleness, delivering strong impact resistance against repeated loads.
Outstanding fatigue resistance
Balanced strength and ductility extend the cycle service life of finished springs.
Usage Features
Parts coiled from Oil Tempered Spring Wire can be directly put into use without follow-up heat treatment. It avoids dimensional deformation and surface oxidation caused by secondary heating, shortens production cycles and reduces manufacturers' processing costs.
Application Scope
Suitable for manufacturing automotive springs, valve springs, clutch springs and precision elastic components with strict performance standards.
Professional Heat Treatment Production Capacity
Baoding Zhongxin Spring Manufacturing Co., Ltd. owns dedicated heat treatment production lines and mature process experience, and Oil Tempered Spring Wire is one of our core advantageous materials. We strictly lock key parameters including quenching temperature, oil temperature and tempering holding time to form homogeneous metallographic structures and stable mechanical indicators. Each batch of wire undergoes tensile, torsion and bending tests before delivery to fully meet industrial production standards. Mature thermal processing and strict quality inspection support stable and consistent product quality recognized by numerous downstream manufacturers.
Product Parameter Table
|
Parameter Item |
Value / Range |
|
Material Grade |
65Mn / 70# / 82B / 60Si2MnA / 55CrSi |
|
Wire Diameter Range |
0.5 mm ~ 12 mm |
|
Tensile Strength |
1400 MPa ~ 2200 MPa (Varies by material & wire diameter) |
|
Surface State |
Bright Finish / Oxide Finish |
|
Material Temper |
Oil Quenched & Tempered (Tempered State) |
|
Product Features |
Uniform structure, high strength, good toughness, excellent fatigue resistance, no secondary heat treatment after coiling |
|
Application Scope |
Automotive springs, valve springs, clutch springs, high-precision springs |
|
Monthly Total Wire Output |
6,000 tons (Carbon Steel + Stainless Steel Combined) |
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