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C40 Structural Steel Rod Bar

Product Type - Steel Rod

Steel C40 is a common medium carbon and medium tensile steel, with improved strength over mild steel, through-hardening medium carbon steel. C40 Carbon Steel Round Bar is also readily machinable in any condition. C40 steels are generally used in the as-supplied untreated condition. Carbon steel bars are available in round, square, flat, and hexagon bars in hot-rolled or cold-drawn conditions. While hot-rolled and cold-drawn bars have the same general shape, they are very different in their dimensional characteristics.

Grade:

Availability : IN STOCK



Advantage

  • High Precision Dimension: The carbon steel plate has excellent processing technology good molding and easy welding. Thickened material, stable performance, and high hardness, not easy to rust.
  • Low Friction: Low dissipation factor. More durable than most ordinary domestic bearings. Lower operating costs​
  • Life Is Long: High-quality steel through strict quality inspection, quality control layer-by-layer detection, and reliable quality, long service life.
  • Customization: Drawings and samples can be processed and customized. Conventional large-scale spot, non-standard customization.
Product Name C40 Structural Steel Rod Bar
Size Round Steel Bar

Outside Dia(mm): 8mm-650mm As Customers’ Requirement

Square Bar

Outside Dia(mm):5.5-250MM

Hexagon Bars

Diameter supplied:2mm-80mm As Customers’ Requirement

Tolerance 5‰
Length 1-9m or As Customers’ Requirement
Surface Finish All Sizes Can be customzied
Standard ASTM, JIS, GB, AISI, DIN, BS, EN
Certifications ISO 9001 BV SGS
Packing Industry standard packaging or according to client’s requirement
Payment terms T/T or LC at sight
Trade Terms EXW, FOB, CIF, CFR
Loading Port TIANJIN, SHANGHAI, DALIAN QINGDAO, etc
Delivery time Fast delievery in 7 days, up to order quantity
Quality Mill Test Certificate supplied with the shipment, third part inspection is acceptable
Packing Detail Standard export package:Wooden pallet +paperboard +steel strip Customized requirements are accepted
Cutting Type All Sizes Can be customzied
MOQ 1 Ton
Capacity 10, 000 ton per month

C40 Grade Worldwide Equivalents

China | GB 3077 40
USA | ASTM A29 1040
Japan | JIS G4051 S40C
UK |BS970 080M40
France | NFA 33-101 AF60-C40

Steel AISI C40 Chemical Composition(%)

Standard Grade C Si Mn P S
DIN 17200 CK40/1.1186 0.37-0.44 ≤0.4 0.50-0.80 ≤0.035 ≤0.03

Mechanical properties of C40

Tensile Strength Yield Strength Elongation Reduction of Area Impact Charpy-V
Mpa Mpa % % J
≥570 ≥335 ≥19 ≥45 ≥47

Processing Flow

Our Certifications

Packaging and Shipping

1. Wood pallet packing cover with water-proof paper

2. Steel pallet packing cover with water-proof paper

3. Wood box packing

4. Steel pallet packing cover with steel box

5. In bundles with steel strip no extra packing

All Grades We are Supplying

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