Cold Drawn Mild Steel Square/Flat/Hex/Round Bar

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: S20c AISI 1020
• Technique: Cold Drawn
• Shape: Bar
• Surface Treatment: Bright,Oiled
• Model NO.: steel bar
• Special Use: Standard Component
• Application: Hardware Tools, Auto Parts, Standard Parts, Fasten
• Delivery Time: 15-30days
• Mild Steel: Carbon Steel
• Round Bar: Square Bar
• Flat Bar: Hex Steel Bar
• Transport Package: Anti-Rust Packing,
• Specification: 5mm-150mm
• Trademark: DaJin
• Origin: Shandong
• Production Capacity: 1000tons/Month

Product Description

Steel bar/hot  rolled steel  bar/cold drawn  steel  bar/steel flat  bar 

General

This low carbon steel has good case hardening properties. Although not classed as a screw machine steel, at times it may be specified. This is an excellent steel for bending and cold forming, with good brazing and welding properties.

Shape	Round, Square, Flat, Hexagon
Grade	1018 1020/S20C SS400 A105  ASTM A36  Q235B
Tolerance	H9 H10 H11 or  common tolerance for hot rolled
Application	Case hardened parts where core strength is not critical. Widely used in shafting applications

Specifications

Available Sizes

All Shapes

Round: Dia. 10 - 1000mm Flat: Thickness 10 - 120mm, width 305 - 2200mm

Available Length

Round	5.8M or 6M or as customer's request
Squares	8*8mm-150*150mm
Hexagon	11'/13'
Flat	Thickness:6mm-60mm

Available Finishes

All Shapes	Standard "as drawn" finish
All Shapes	Ground and Polished
All Shapes	Turned Ground and Polished
All Shapes	Turned and Polished

Chemistry

 

Chemistry

Carbon	0.15/0.20
Manganese	0.60/0.90
Phosphorus	0.04 (Max)
Sulphur	0.05 (Max)
Silicon	0.15/0.35

Mechanical Properties

 

Mechanical Properties

Tensile Strength	64,000psi
Yield Strength	54,000psi
Elongation in 2"	15%
Reduction of Area	40%
Brinell Hardness	126