SUS630 martensitic stainless steel is characterized by high hardness, high strength and corrosion resistance. In particular, precipitated hardness martensitic stainless steels are the hardest of all types of stainless steels. After heat treatment, the mechanical properties of steel are more perfect, can reach the strength of 1100-1300mpa, this grade can not be used for high 300℃ or very low temperature, SUS630 has good corrosion resistance to the atmosphere and dilute acid or salt, the corrosion resistance of the steel is the same as 304 and 430. At present, it is widely used in high strength parts with certain corrosion resistance requirements in valve, shaft and chemical fiber industry.

SUS630 stainless steel round steel chemical elements % :

SUS630 stainless steel plate C Si Mn Cr Ni Cu Nb+Ta

SUS630 stainless steel sheet 0.07 1.00 1.00 15.5 17.5 3.00 5.00 3.0 5.0 0.15 0.45

SUS630 stainless steel bar mechanical properties:

SUS630 mechanical properties 480℃ 550℃ aging 580℃ aging 620℃ aging

SUS630 tensile strength 1310 1060 1000 930

SUS630 yield strength 1180 1000 865 725

SUS630 elongation 10 12 13 16

SUS630 section shrinkage rate 40 45 45 50

Hardness 40, 35, 31, 28

SUS630 stainless steel plate Uses:

1.SUS630 stainless steel plate is suitable for the production of high corrosion resistance, high wear resistance of plastic mold and rubber mold;

2.SUS630 stainless steel module is suitable for the manufacture of semiconductor IC sealing plastic mold and mold parts requiring corrosion and rust resistance;

3.SUS630 stainless steel round rod is suitable for turbine blade, nozzle, valve, plate ruler and high corrosion resistance bearing parts, high wear resistance equipment parts;

4.SUS630 stainless steel is suitable for the production of food industry, offshore platform and other high corrosion resistant mold equipment.

Due to its good mechanical properties and corrosion resistance, SUS630 is also widely used in petrochemical, nuclear power, aerospace and military industry, shipbuilding, automobile, medical and other industries.

SUS630 stainless steel material supply status and ex-factory hardness:

SUS630 stainless steel bar/steel plate/round steel/round bar/steel/material/material/module supply status is prehard, the factory hardness is about 37-41HBW.

SUS630 stainless steel heat treatment process:

1 SUS630 stainless steel solution 1020-1060℃, quick cooling

2 SUS630 stainless steel 480℃ aging, after solution treatment, 470-490℃ air cooling

3 SUS630 stainless steel 550℃ aging, after solution treatment, 540-560℃ air cooling

4 SUS630 stainless steel 580℃ aging, after solution treatment, 570-590℃ air cooling

5 SUS630 stainless steel 620℃ aging, after solution treatment, 610-630℃ air cooling.