High Quality 65mn, 82b, 72A, 72b Spring Steel Wire for Mattress

Our company is a professional commitment to research and development, production and sales of Hexagonal spring steel wire JIS G3561, JIS G3560-1994 spring steel wire, quenching spring steel wire for sale. We will become your most reliable partner. Our firm is dedicated to giving shoppers with significant and steady high quality goods at aggressive price tag, generating every single customer satisfied with our products and services. We believe that first-class technical personnel and advanced production equipment will further improve product quality and enable enterprises to continue to grow in the fierce market competition. Our core values are customer-oriented, continuous innovation, honesty, pragmatism, and teamwork.

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.

We pay attention to the quality, quantity and reasonable price of the products. We guarantee the quality of our High Quality 65mn, 82b, 72A, 72b Spring Steel Wire for Mattress and ensure that the prices are competitive. What is more, we have our own archives mouths and markets in China at low cost. Our company faces difficulties every time and looks for opportunities in adversity.