S50C JIS G4051

S50C is a medium carbon steel grade specified in Japanese industrial standard JIS G4051. It has a high strength and toughness, good machinability, and can be heat-treated to improve its mechanical properties. S50C is commonly used in the manufacture of machinery parts, automobile components, and tools. The chemical composition of S50C steel typically includes carbon, silicon, manganese, phosphorus, sulfur and residual elements such as copper and nickel. The typical hardness range of S50C is 170-210 HB.

Product Specification

• Mechanical properties: The hardness of the steel is HB 170-210, the strength is about 410 MPa, and the elongation is ≥25%. It is a steel of medium strength and hardness.
• Machinability: The steel has good machinability and machinability, can be easily cut and processed, and the surface quality is good.
• Use: Can be widely used in the manufacture of metal molds, plastic molds, templates, rubber molds, forming tools, cutting tools, needles, heat treatment tools, gears and shafts and other fields.

Chemical Composition

JIS Steel S45C Common Available Shapes

• Round Bar
• Flat Bar
• Plate/Sheet
• Square Bar
• Hexagonal Bar

JIS S45C Grade Steel Equivalents

• DIN C45, CK45, 1.1191
• AISI 1045
• EN-8 / BS 970-1955 080M40

Manufacturing Technique

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