F55 stainless steel is a duplex stainless steel composed of austenite and ferrite, of which the austenite phase occupies the main part. The biggest features of this stainless steel are its high strength and good corrosion resistance. Compared with traditional 304 stainless steel, F55 stainless steel has higher yield strength and tensile strength, as well as better corrosion resistance. In addition, F55 stainless steel also has good welding performance and can meet the requirements of various welding processes.
Specifications | In stock, can be customized according to customer requirements |
Form | Plate,Coil,Bar,Pipe |
Classification | Duplex stainless steel |
Grade | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | W |
S31803(F51) | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.03 | ≤0.02 | 21.0~23.0 | 4.5~6.5 | 2.5~3.5 | 0.08~0.2 |
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S32205(F60) | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.03 | ≤0.02 | 22.0~23.0 | 4.5~6.5 | 3.0~3.5 | 0.14~0.2 |
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S32750(F53) | ≤0.03 | ≤0.8 | ≤1.2 | ≤0.035 | ≤0.02 | 24.0~26.0 | 6.0~8.0 | 3.0~5.0 | 0.24~0.32 | 0.5 |
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S32760(F55) | ≤0.03 | ≤1.0 | ≤1.0 | ≤0.03 | ≤0.01 | 24.0~26.0 | 6.0~8.0 | 3.0~4.0 | 0.2~0.3 | 0.5~1.0 | 0.5~1.0 |
Grades | Density (20℃) | specific heat (J/kgK) | Thermal conductivity (100℃) | resistivity (μΩcm) | thermal conductivity (W/mK) | melting point |
F55 | 8.0 kg/gm³ | 460 | 16W/(m·K) | 90.0 | 12.8 | 1400-1450 ℃, |
Grade | tensile strength | yield strength | elongation | hardness | PREN |
2304 | σb≥750Mpa | σb≥550Mpa | δ≥45% | 270（HB） | ≥40 |
F55 stainless steel baris a stainless steel material with high performance, high corrosion resistance, and good welding performance, and is widely used in various fields.
Due to its excellent performance, F55 stainless steel rods are widely used in petroleum, chemical industry, food, marine, and other fields. In the petroleum and chemical industry, F55 stainless steel can be used to manufacture pipes, valves, heat exchangers, and other equipment, and can withstand high-temperature, high-pressure, and corrosive media.
In the food and marine fields,F55 stainless steelcan be used to manufacture ships, offshore platforms, storage tanks, and other equipment, and can resist the corrosion of the marine environment and the effects of biofouling.
F55 stainless steel rods can also be used to manufacture high-end products such as medical devices and auto parts to meet special usage needs.
The manufacturing process of stainless steel and alloys involves multiple steps to transform raw materials into flat,rectangular sheets or plates made of stainless steel and alloys. Here are a few key steps for stainless steel and alloys:
Molten stainless steel and alloys are cast into large ingots or billets through a casting process.
During the hot rolling process,the thickness of the steel ingot is gradually reduced and elongated to form long strips or coils.
Annealing involves heating stainless steel and alloys to a specific temperature and then slowly cooling it.
Cold rolling is carried out through rolling mills to reduce thickness to meet customer specifications.
Wuxi Walmay Metal Co,Ltd is a comprehensive processing group of Alloy Steel、Forged Parts Fitting、Titanium Alloy、Stainless Steel、Special Welding Wireseries， and more than 800 specifications.
Our group has been engaged in the domestic and global market for more than ten years with rich steel experience and can offer professional advice for customers inapplications with different materials.
Machine cutting
Sheet cutting
plasma cutting
Dynamic waterjet cutting
sawing
Plank leveling
polishing
laser cutting
laser cutting
production cutting
Long product cutting
Bar and structural cutting
polishing
Heat treatment and annealing: Wuxi Walmay Metal can heat treat certain 400 series stainless steels.
Material Reliability Identification (PMI): Wuxi Walmay Metal can complete this testing in-house.
Ut Testing: Ultrasonic testing (UT) uses high-frequency sound energy to inspect and measure stainless steel products.
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