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140.00 / Kilogram
| Business Type | Manufacturer, Supplier |
| Application | Springs,Blades,Cutting Tools |
| Thickness | 0.1-4.0 Mm |
| Material | High Carbon Steel |
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Product Details
Grade
HC 21
Phosphorus (P) % Max
0.030
Sulphur (S) % Max
0.030
Carbon Content
0.75-1.05%
Hardness
50-65 HRC
Width
10-300 Mm
Carbon (C) %
0.90 – 1.05
Manganese (Mn) %
0.30 – 0.60
Silicon (Si) %
0.10 – 0.35
Chemical Composition Standards
To assist in material selection, the following table outlines the typical chemical composition for our core product range:
Guidelines for Ordering
To ensure we meet your exact technical requirements, purchasers are requested to furnish the following information:
Product Description: Detailed description and the relevant International Standard & Indian standard .
Dimensions: Nominal thickness and width in mm.
Mechanical Properties: Required Hardness levels.
Surface & Edge: Preferred Edge type (1ER / 2ER / SE) and Surface finish (Furnace Grey, Bright, Blue, or Golden).
Tolerances: Specific requirements for thickness, width, and edge camber.
Coil Specifications: Type of coil and internal diameter (ID).
Special Requirements: Any additional customized needs or specific application demands.
Chemical Composition Table
| Steel Category | Grade (Approx.) | Carbon (C) % | Manganese (Mn) % | Silicon (Si) % | Phosphorus (P) % Max | Sulphur (S) % Max |
| Medium Carbon | C55 / C60 | 0.50 – 0.65 | 0.60 – 0.90 | 0.10 – 0.35 | 0.04 | 0.04 |
| High Carbon | C75 / C80 | 0.70 – 0.85 | 0.50 – 0.80 | 0.10 – 0.35 | 0.035 | 0.035 |
| Extra High Carbon | C98 / HC-21 | 0.90 – 1.05 | 0.30 – 0.60 | 0.10 – 0.35 | 0.03 | 0.03 |
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