High Carbon GB 60Si2MnA Spring Steel Strips
| Item | Specifications Information |
| Classification | Carbon Spring Steel Strip / Alloy Spring Steel Strip |
| Thickness | 0.15mm-3.0mm |
| Width | 20mm - 600mm; Customized according to customers' samples or drawings |
| Tolerance | Thickness: Max ±0.01mm; width: Max ±0.05mm |
| Material Grades | 65, 70, 85, 65Mn, 55Si2Mn 60Si2Mn 60Si2MnA 60Si2CrA 50CrVA 30W4Cr2VA etc |
| Packaging | Standard seaworthy packing (mill standard) with edge protectors, steel hoops and seals, custom packaging available. |
| Surface Treatment | Bright annealed, polished |
| Finished Surface | Polished (Blue, Yellow, White, Grey-Blue, Black, Bright) or Natural etc. |
| Edge Processing | Mill edge, slit edge, double-sided rounded, single-sided rounded, single-sided slit, square edge etc. |
| Coil Weight | Baby coil available (300~1000KGS); 2000~3000KG per pallet |
| Quality Inspection | Third party inspection (SGS, BV, etc) is accepted. |
| Applications | Seamless Pipes, cold strip-welded pipes,cold-bend section steel,bicycle structures, small stamping parts, household decorations. |
Material profile
60Si2MnA is a high-quality high si-mn spring steel grade 60Si2MnA (Code: GB Standard). Its core chemistry provides an outstanding performance:
Carbon (C): 0.56% – 0.64%
Silicon (Si): 1.50%– 2.00%
Manganese (Mn): 0.60% – 0. 90%
Key Feature: The addition of Silicon and Manganese in specified proportions can significantly improve the hardenability and the elastic limit in tension, which is useful for "High Stress and High Elasticity" applications.
Core Specifications
| Parameter | Specification |
| Thickness | 0.1mm - 3.0mm (Can be customized accord to your project requirements) |
| Width | 5mm – 300mm (Custom size available) |
| Surface Finish | Standard hot-rolled finish; Boron steel can be supplied with a polished, bright annealed or any other custom finish upon customer request. |
| Hardness | Heat treated to 42 – 47 HRC (Rockwell hardness) for superior wear resistance and toughness. |
| Tolerance | Precision tolerance uniform thickness and width, and is fully meet international standard of industry and customer’s requirements. |
| Thickness(mm) | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | customized |
| Width(mm) | 800 | 900 | 950 | 1000 | 1219 | 1000 | customized |
Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Springs: These strips are widely used in the manufacturing of coil springs, flat springs, and various types of mechanical springs used in automotive, aerospace, industrial machinery, and consumer goods.
Blades and Cutting Tools: Spring steel strips are utilized in the production of saw blades, knives, cutting tools, and shear blades due to their high strength, wear resistance, and ability to maintain sharp edges.
Stamping and Forming: They are employed in stamping and forming operations to produce precision components, such as washers, shims, brackets, and clips, where their elasticity and formability are essential.
Automotive Components: Spring steel strips are used in the automotive industry for applications such as suspension components, clutch springs, brake springs, and seat belt components due to their ability to withstand high stress and fatigue.
Construction and Engineering: These strips are utilized in construction and engineering applications for manufacturing various types of fasteners, wire forms, and structural components that require high strength and resilience.
Industrial Equipment: They find use in industrial equipment and machinery for applications such as safety valve springs, conveyor belt components, and vibration damping devices.
Consumer Goods: Spring steel strips are used in the production of consumer goods such as lock mechanisms, measuring tapes, hand tools, and various household appliances.
molten iron magnesium-based desulfurization-top-bottom re-blowing converter-alloying-LF refining-calcium feeding line-soft blowing-medium-broadband conventional grid slab continuous casting-cast slab cutting One heating furnace, one rough rolling, 5 passes, rolling, heat preservation, and finishing rolling, 7 passes, controlled rolling, laminar flow cooling, coiling, and packaging.
The advantages of spring steel strips include:
High Yield Strength: Spring steel strips are designed to withstand high stress and deformation while maintaining their shape and elasticity. This high yield strength allows them to be used in various types of springs and components that require resilience and durability.
Excellent Elasticity: Spring steel strips exhibit excellent elastic properties, enabling them to return to their original shape after being subjected to deformation. This characteristic is crucial for applications where repeated bending or flexing is required.
Good Fatigue Resistance: Spring steel strips are engineered to resist fatigue failure, making them suitable for applications involving cyclic loading and prolonged use without experiencing a loss of performance.
Wide Range of Applications: These strips are utilized in a diverse range of industries, including automotive, aerospace, construction, and manufacturing, where their high strength and resilience are essential for various components and assemblies.
Customizable Properties: Spring steel strip can be heat-treated and processed to achieve specific hardness, surface finish, and dimensional tolerances, allowing for customization to meet the unique requirements of different applications.
Cost-Effective: Spring steel strips offer a cost-effective solution for applications that demand high performance and reliability, as they provide long-term durability and reduced maintenance requirements.
Usually bare package
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
How to pack steel coils
1. Cardboard tube packaging: Place the Hot Roll Steel Coil in a cylinder made of cardboard, cover it at both ends, and seal it with tape;
2. Plastic strapping and packaging: Use plastic straps to bundle the Carbon Steel Coil into a bundle, cover them at both ends, and wrap them with plastic straps to fix them;
3. Cardboard gusset packaging: Fasten the steel coil with cardboard cleats and stamp both ends;
4. Iron buckle packaging: Use strip iron buckles to bundle the steel coils into a bundle and stamp both ends
In short, the packaging method of steel coils needs to take into account the needs of transportation, storage and use. The steel coil packaging materials must be strong, durable and tightly tied to ensure that the packaged steel coils will not be damaged during transportation. At the same time, safety needs to be paid attention to during the packaging process to avoid injuries to people, machinery, etc. due to packaging.
Q1: What is high-carbon GB 60Si2MnA spring steel strip?
A: This is a high-silicon manganese spring steel with excellent hardenability, good elasticity, and fatigue resistance, suitable for high-stress elastic components.
Q2: What is the chemical composition of 60Si2MnA?
A: The chemical composition of 60Si2Mn steel strip is: C (%) 0.56-0.64, Si (%) 1.50-2.00, Mn (%) 0.60-0.90.
Q3: Can we customize the thickness and width?
Yes. Standard thickness: 0.1mm-3.0mm; Standard width: 5mm-300mm; Custom sizes are available upon request.
Q4: What is the standard hardness of 60Si2MnA spring steel strip?
A: After heat treatment, the hardness reaches 42-47 HRC (Rockwell hardness) for good wear resistance and toughness.
Q5: What surface treatments do you offer?
A: Standard hot-rolled surface treatment; customized surface treatments (polishing, bright annealing, etc.) can also be provided according to customer requirements.
Q6: Do you accept third-party quality inspection?
A: Yes, we welcome third-party organizations such as SGS and BV to inspect product quality.
Q7: Do you provide free samples?
A: Samples are free, but the buyer needs to bear the shipping costs.
Q8: What are the main uses of this product?
A: It is typically used for high-stress elastic parts, including springs, stampings, and precision elastic components.













