After-sales Service: | Acceptable for Third-Party Testing |
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Warranty: | 10 Years |
Standard: | ASTM, JIS, GB, AISI, DIN, BS |
Certification: | ISO, RoHS, IBR |
Surface Treatment: | Polished |
Technique: | Cold Rolled / Hot Rolled |
Samples: |
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Customization: |
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Name
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Spring steel coil
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Heat treatment
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Quench 830 °C ± 20 °C, oil cooling; tempering 540 °C ± 50 °C
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Tensile strength σb (MPa): ≥ 980 (100),Yield strength σs(MPa): ≥784(80),
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Elongation δ10(10%):≥8,Section shrinkage ψ(%):≥30,Hardness: Hot Rolling,
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≤302HB;Cold Pull+Heat Treatment,≤321HB.
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Packing
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Export standard packing or according to customers' requirement
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Certificate
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ISO9001:2008
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Shipment
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Within10-15 workdays,25-30days when the quantity beyond 1000tons
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Standard | AISI, ASTM, BS, DIN, GB, JIS |
Material | S35C, S45C, S50C, S60C, S70C, S75C, 40Mn, 42Mn, 65Mn, CK67, SK4, SK5, SK85, SK7, T10A, SK551, 75Cr1, 50CrVa, 51CrV4, 30CrMo, 62Si2Mn, 60Si2Mn, Q235B, Q345B and etc. |
Application | Building hardware tools;Leaf Spring,saw blade,clutch,shrapnel,auto manufacture,spring wire,etc. |
Thickness | 0.08mm-5.0mm or customized |
Width | 6.5mm-510mm or customized |
Length | as per your requirement |
Package | In bundle/coil, seaworthy package or as requested |
Delivery Time | 5-7 Working Days |
Payment terms | T/T, 30% as deposit and 70% before shipment. |
Chemical Element Content For Reference | ||||
Q195 Chemical Element Content | ||||
C | Mn | Si | S | P |
≤0.12 | ≤0.50 | ≤0.30 | ≤0.040 | ≤0.035 |
Q235 Chemical Element Content | ||||
C | Mn | Si | S | P |
0.12~0.20% |
0.30~0.67 |
≤0.30 |
≤0.045 |
≤0.045 |
65Mn Chemical Element Content | ||||
C | Mn | Si | S | P |
0.62~0.70% | 0.9~1.20% | 0.17~0.37% | ≤0.035 | ≤0.035 |
Q345 Chemical Element Content | ||||
C | Mn | Si | S | P |
≤0.20 | ≤1.70 | ≤0.55 | ≤ 0.040 | ≤ 0.040 |
Mechanical Property For Reference | |||
Grade | Yield Strength/Mpa | Tensile Strength/Mpa | Elongation / % |
Q195 | 195 | 315~430 | 33 |
Q235 | 235 | 375~500 | 25 |
Q345 | 345 | 490~675 | 21 |
Spring steel Coil is widely used in various springs, mechanical accessories, electrical components and other fields. The main uses include:Manufacturing Spring: Spring steel Slitting is an ideal material for manufacturing various types of springs, such as compression springs, tension springs, torsion springs, etc.Manufacturing mechanical parts: Spring steel Slitting can be made into mechanical parts of various shapes and sizes, such as braces, couplings, transmission gears, etc.Manufacturing electrical components: Spring steel Slitting can be made into various electrical components such as contact sheets, sockets, and electronic components.Manufacture of furniture and outdoor products: Spring steel Slitting can be made into elastic structures in furniture and outdoor products, such as spring mattresses, clothes racks, swing doors, etc.Manufacture of automobile and aircraft parts: Spring steel Slitting can be made into various automobile and aircraft parts that require high strength and corrosion resistance, such as braking systems, suspension systems, landing gear, etc.
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