We provide customers with more technical services, including: selection of raw materials, heat treatment processes, machining steps, life enhancement plans, material failure analysis, etc. If you have any technical inquiries regarding materials, please contact us.
SUOJIN Steel materials can provide documents such as the Original Material Quality Certificate to ensure that the materials are authentic and that customers receive high-quality materials with the lowest possible unit price.
All heat treated materials must undergo at least two hardness verifications using a desktop hardness tester to ensure that the hardness verifications meet customer requirements。
Determination of chemical composition of raw materials
Determination of chemical composition of raw materials
Secondary review of factory hardness of pre hardened materials
Each raw material must undergo metallographic, hardness, and non-destructive testing before entering the designated material area of the warehouse. When shipping, the quality assurance department must also conduct another non-destructive inspection and hand it over to the customer.
Regular maintenance and inspection of heat treatment equipment and machining equipment. The hardness and deformation of heat treated products need to be tested before leaving the factory, and the hardness tester and other testing equipment used should be maintained and inspected every ten days.
