Carbon Steel Spring Wire
We produce full-spec carbon steel spring wire covering grades 65Mn, 70#, 72A, 72B, 82B and T9A, wire diameters 0.3mm–12mm. Self-owned drawing lines lower production costs and guarantee stable tensile performance for every carbon steel spring wire.
Core Cost & Performance Advantages
High tensile strength
High-carbon composition after cold drawing achieves high hardness and bearing capacity for heavy-load ordinary springs.
Stable elastic recovery
Excellent rebound performance meets the production demands of most mechanical elastic parts.
High cost performance
Raw material cost is far lower than stainless steel, perfectly fitting mass production cost control.
Complete specifications
Multiple steel grades and wide wire diameter range cover all common general spring manufacturing needs.
Temper & Surface Options
Cold drawn, lead patented and oil tempered tempers are available. Tensile strength spans 1500MPa–2800MPa. Surface choices: bright finish, phosphating finish and original mill finish.
Application Scope
Used to produce ordinary industrial springs, hardware fittings, mattress springs and craft ornaments for hardware, furniture, automobile and machinery industries.
Self-Production & Cost Advantage
Baoding Zhongxin Spring Manufacturing Co., Ltd. operates independent carbon steel wire production lines, realizing full self-production and sales of carbon steel spring wire. We process raw steel coils through multi-pass cold drawing in-house to fully control production costs without intermediate distributors. Self-produced wire directly supports our spring workshop to cut finished spring costs, and we also sell carbon steel wire externally with a combined monthly wire output of 6,000 tons to fulfill large bulk orders.
Product Parameter Table
|
Parameter Item |
Value / Range |
|
Material Grade |
65Mn / 70# / 72A / 72B / 82B / T9A |
|
Wire Diameter Range |
0.3 mm ~ 12 mm |
|
Tensile Strength |
1500 MPa ~ 2800 MPa (Depends on grade & wire diameter) |
|
Surface State |
Bright Finish / Phosphating Finish / Original Finish |
|
Temper State |
Cold Drawn / Lead Patented / Oil Tempered |
|
Product Features |
High strength, good elasticity, low cost, high cost performance |
|
Application Scope |
Manufacture ordinary springs, hardware fittings, mattress springs, craft ornaments |
|
Monthly Total Wire Output |
6,000 tons (Carbon Steel + Stainless Steel Combined) |
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