JIS SK5 Carbon Tool Steel Strip | Cold Rolled & Hardened | Guangzhou Cgoodsteel Co., Ltd
Guangzhou Cgoodsteel Co., Ltd is a leading supplier of high quality JIS SK5 Carbon Tool Steel Strip. Our SK5 steel is manufactured to the stringent Japanese Industrial Standards (JIS), ensuring exceptional consistency, reliability, and performance. The strip is supplied Cold Rolled for superior dimensional accuracy and surface finish, and is available in a Hardened & Tempered state, making it ready for immediate use in demanding applications requiring high strength, wear resistance, and excellent edge-holding capability.
Key Features & Benefits
High Carbon Content: Provides superior hardness, strength, and abrasion resistance.
Cold Rolled Process: Ensures tight tolerances, a smooth surface finish, and enhanced mechanical properties.
Hardened & Tempered: Supplied ready-to-use, offering an optimal balance of hardness and toughness.
Excellent Edge Retention: Ideal for cutting blades and sharp tools that require a durable edge.
Good Spring Properties: Perfect for a variety of spring applications.
JIS Standard Guarantee: Certified quality and material consistency.
Chemical Composition (JIS G4401 Standard)
The table below outlines the standard chemical composition of our JIS SK5 steel strip.
| Element | Content (%) |
|
Carbon (C) |
0.80 - 0.90 |
|
Silicon (Si) |
≤ 0.35 |
|
Manganese (Mn) |
≤ 0.50 |
|
Phosphorus (P) |
≤ 0.030 |
|
Sulfur (S) |
≤ 0.030 |
Standard Mechanical Properties
|
Property |
Value / Description
|
|
Hardness |
cold rolled: 21-28HRC Annealed: below 19HRC Hardened & Tempered: 29-60HRC
|
|
Tensile Strength |
400 - 1600 MPa (Approx., varies with hardness)
|
|
Yield Strength |
1100 MPa (Approx.)
|
|
Elongation |
5%-32% (Approx.)
|
Available Sizes & Dimensions
We offer a wide range of sizes to meet your specific design needs. Standard sizes include:
Thickness: 0.10mm - 5.0mm
Width: 2mm - 1200mm
Coil Weight: Standard or custom-cut to length.
Please contact us for specific size inquiries and custom dimensions.
Edge Type
Available with Mill Edge or precision Slit Edges, Round Edge based on your application requirements.
Typical Applications
JIS SK5 Steel Strip is versatile and widely used in the manufacturing of:
Cutting Blades: Industrial cutter blades, paper knives, slitter blades, and surgical instruments.
Springs: Various flat springs, spring washers, and clutch discs.
Hand Tools: Wrenches, screwdrivers, pliers, and scrapers.
Automotive Parts: Brake components, seat belt parts, and other high-strength fixtures.
Hardware & Precision Parts: Shims, gauges, and other critical components requiring durability.
Why Choose Guangzhou Cgoodsteel?
Quality Assurance: Every batch is strictly controlled and can be supplied with mill test certificates.
Competitive Pricing: Direct factory supply ensures the best market price.
Extensive Inventory: Ready stock for fast delivery and reliable supply.
Technical Support: Our expert team provides full technical support to help you select the perfect material for your project.
Ready to Order or Need More Information?
Contact Guangzhou Cgoodsteel today for a competitive quotation, sample request, or technical data sheet. Let us be your trusted partner for high-quality tool steel.






