Jinsong SUS631 Stainless Steel / X7CrNiAl17-7 - Top Stainless Steel manufacturer
*Jinsong SUS631 Stainless Steel / X7CrNiAl17-7
Semi-austenitic precipitation-hardening stainless steel with added aluminum; the steel has similar component with 18-8 austenitic steel, good metallurgical property and processability; it can get different intensity, plasticity and toughness after heat treatment.
It is mainly used in making structural parts, container, pipeline, mechanical spring and gasket chronically working below 350 degree centigrade.
The steel's technology of heat treatment is very complicated and it has the tendency to be replaced by maraging steel, but it is widely used at present.
*About Jinsong Stainless Steel
Zhenjiang Jinsong Stainless Steel Production Co., Ltd. is a large modern enterprise which is professionally engaged in researching and producing of stainless steel and high-grade alloy material. The company owns the AOD refining furnace which has an annual output of 300,000 tons and the vacuum smelting furnace.
