Fabrication Made Directly by Factory Auto Spring Steel Wires Induction Tempering Machine Equipment Line

Our goal is to satisfy our customers by offering golden service, good price and D-shaped spring steel wire for sale, Rhombic oil spring wire, tempered spring steel wire JIS G3561. We have continuously introduced international advanced workmanship and equipment since foundation, and also widely cooperate and communicate with experts at home and abroad in technology. In the face of global integration, we will cooperate with domestic and foreign customers with first-class service, high grade product quality and preferential prices to achieve a win-win situation!

0 si2mn, quenching temperature of 840 ° C to 870 ° C, after quenching hardness HRC > 60. 

Tempering temperature of 150 ° C, HRC61 hardness; 

Tempering temperature of 200 ° C, HRC60 hardness; 

Tempering temperature of 300 ° C, hardness HRC56; 

Tempering temperature of 400 ° C, HRC51 hardness; 

Tempering temperature of 500 ° C, HRC43 hardness; 

Tempering temperature of 550 ° C, HRC38 hardness; 

Tempering temperature of 600 ° C, HRC33 hardness; 

Tempering temperature of 650 ° C, hardness HRC29.

With wide experience and expertise, Friend Metal is engaged in the developing, manufacturing and marketing of 55crsi(sae 9254) oil tempered and quenched spring steel wire ASTM-A230-99, ASTM-A401, EN10270-2, JIS G3561. As a professional manufacturer, we now brings you high quality various steel wires made in China which comes in high strength, well toughness and excellent wearing resistance. We also welcome your customized orders.

Strict and complete quality inspection means, standardized scientific management system and unique product development plus moderate price and perfect after-sales service, the Fabrication Made Directly by Factory Auto Spring Steel Wires Induction Tempering Machine Equipment Line sell well in various countries. We believe that the company provides opportunities for employees while employees create wealth for the company, and work together to achieve a win-win situation. To revitalize the national manufacturing industry and become an internationally competitive company respected by the society is our unswerving pursuit.