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Introduction
630 stainless steel rod is widely used in high strength parts that require both rust resistance and weak acid, alkali and salt corrosion, such as turbine blades at the end stage, and structural parts that work at a temperature below 300℃ in corrosive environment.
Heat treatment process of SUS630
Heat treatment specification
Solution 1020~1060℃ fast cooling;
2) Aging at 480℃, after solution treatment, air cooling at 470~490℃;
3) Aging at 550℃, after solution treatment, air cooling at 540~560℃;
4) Aging at 580℃, after solution treatment, air cooling at 570~590℃;
5) Aging at 620℃, after solution treatment, air cooling at 610~630℃. Metallographic structure: The microstructure is characterized by precipitation hardening type.
SUS630 is martensitic precipitated hardened stainless steel, with high strength, high hardness, good welding performance and corrosion resistance. It has been widely used in valve, shaft and chemical fiber industry and high strength parts with certain corrosion resistance requirements. SUS630 is martensitic precipitated stainless steel SUS630 special addition of copper precipitated hardening type steel.
SUS630 Stainless Steel (Japan brand)0Cr17Ni4Cu4Nb(China brand) Stainless steel: SUS630 features precipitation hardened steel with added copper. Used for manufacturing shaft and steam turbine components. Precipitation-hardened martensitic stainless steel composed of copper and niobium/columbium has low carbon content, better corrosion resistance and weldability than ordinary martensitic stainless steel, similar to 18-8 stainless steel, with simple heat treatment process and good machinability, but it is difficult to meet the cryogenic processing. Metallographic structure: The microstructure is characterized by precipitation hardening type. Use for manufacturing high corrosion resistance, high strength parts, such as bearings, steam turbine parts. Physical property
Material | ASTM 630 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) 480 °C | ||
C | <0.07 | Tensile strength(MPA) | >1180 |
Si | <1.00 | Yield strength (MPA) | >1130 |
Mn | <1.00 | Elongation(δ5/%) | >10 |
Cr | 15.50-17.50 | Reduction in Area (ψ/%) | >40 |
Mo | - | Impact (J)v | - |
P | ≤0.035 | Hardness | <375 |
S | ≤0..030 | ||
N | - | ||
Ni | 3.00-5.00 | ||
What advantages do you have with your peers?
1. We are factory direct sales, affordable, and product quality is guaranteed.
2. We have a professional technical R & D team and obtained a number of product patent certifications in the industry.
3. We are a Chinese government-supported enterprise and a key support enterprise, strictly controlling product quality production.
4. We have a complete production line to ensure that your products are completed on time and with quality.
Our Service
No matter new buyer or old purchaser, we believe in long expression and trusted relationship for 2205 2507 S31803 S32750 630 17-4pH 904 Stainless Steel Rod / Stainless Steel Bar 630 17-4pH 904. We will try our best to satisfy your requirements with high quality goods, the best prices and prompt delivery. While creating great products, constantly seeking innovation and perfect service, we sincerely hope to collaborate with you so that we can grow together and create a better future.