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Add: No.8 Huicheng Avenue, Xizhang Village, Qianqiao Town, Wuxi City, Jiangsu, China

Contact: Daisy Mao

Tel: +86-510-83233269

Fax: +86-510-83233699

E-mail: maojing@wuxiacp.com

AISI Classification for Carbon Steel
Wuxi Qianqiao Strip Steel Co.,Ltd | Updated: Aug 03, 2017

Carbon steel is broken down into four classes based on carbon content:


Low-carbon steel:

0.05 to 0.25% carbon content.


Medium-carbon steel:

Approximately 0.3-0.6% carbon content. Balances ductility and strength and has good wear resistance; used for large parts, forging and automotive components.


High-carbon steel:

Approximately 0.6–1.0% carbon content. Very strong, used for springs, swords, and high-strength wires.


Ultra-high-carbon steel:

Approximately 3.25–4.0% carbon content. Steels that can be tempered to great hardness. Used for special purposes like (non-industrial-purpose) knives, axles or punches. Most steels with more than 2.5% carbon content are made using powder metallurgy.

Contact Us
Wuxi Qianqiao Strip Steel Co.,Ltd

Address: No.8 Huicheng Avenue, Xizhang Village, Qianqiao Town, Wuxi City, Jiangsu, China

Tel: +86-510-83233269

Fax: +86-510-83233699

E-mail: maojing@wuxiacp.com

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