Stainless Steels
Stainless Steels presents an array of corrosion-resistant products perfect for various environments. 304 stainless steel and 316 stainless steel are both renowned for their durability and anti-corrosive properties, with the latter offering enhanced resistance especially in saltwater applications. Additionally, the 304 stainless bar and 304 flat are tailored solutions that combine the trusted quality of 304 steel with specific shapes for diverse applications, ensuring both form and function.
304 stainless steel
Material Classification
Austenitic stainless steel alloy.
Composition
8% nickel, 18% chrome, and lower carbon content.
Uses
Wide range of applications due to its high corrosion resistance.
Characteristics
Excellent weldability, formability, and machinability; allows complex shapes due to low yield strength and high elongation; good drawability.
Chemical Composition
| C | Si | Mn | P | S | Cr | Ni |
| ≤0.08% | ≤1.00% | ≤2.00% | ≤0.045% | ≤0.030% | 18.0-20.0% | 8.0-10.5% |
Product Information
| Process | Hot rolled/forged | |
| Size | 25-1000 mm | |
| Length | Rods 6/9/12 meter, any length, customized fixed-length, multiple length | |
| Surface Condition | No.1, 2B, BA, No.3, No.4, HL, SB | |
| Heat Treatment | Annealed, Quenching Tempering | |
| Delivery Time | Within 7 days | |
| Stock | ≥1500 mt | |
| Size | 6mm-25mm | |
| As customers’ required, we also provide cold drawn material |
Heat Treatment
1 +A: Annealed (full/soft/spheroidizing)
2 +N: Normalized
3 +NT: Normalized and tempered
4 +QT: Quenched and tempered (water/oil)
Applications
China Stainless steel-304 have a lower carbon content which minimises chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. It is an austenitic alloy which contains 8% nickel and 18% chrome. 304 benefits from reasonable machinability whilst weldability and forming characteristics are excellent. Complex shapes can be formed due to the alloys low yield strength and high elongation. The material also benefits from very good drawability.
316 stainless steel
Material Classification
Austenitic chromium-nickel stainless steel with molybdenum.
Composition
Contains 2-3% molybdenum which boosts corrosion resistance.
Uses
Especially effective in acidic environments and offers resistance against various acids and alkaline chlorides.
Weldability
The 316L variant, with lower carbon content, is chosen for welding to maximize corrosion resistance.
Chemical Composition
| C | Si | Mn | P | S | Cr | Ni | Mu |
| ≤0.08% | ≤1.00% | ≤2.00% | ≤0.045% | ≤0.030% | 16.0-18.0% | 10.0-14.0% | 2.0-3.0% |
Product Information
| Process | Hot rolled/forged | |
| Size | 25-1000 mm | |
| Length | Rods 6/9/12 meter, any length, customized fixed-length, multiple length | |
| Surface Condition | No.1, 2B, BA, No.3, No.4, HL, SB | |
| Heat Treatment | Annealed, Quenching Tempering | |
| Delivery Time | Within 7 days | |
| UT | SEP1921-84 D/d, EN10028-3 or ASTM A388 | |
| Stock | ≥1500 mt | |
| Size | 6mm-25mm | |
| As customers’ required, we also provide cold drawn material |
Heat Treatment
1 +A: Annealed (full/soft/spheroidizing)
2 +N: Normalized
3 +NT: Normalized and tempered
4 +QT: Quenched and tempered (water/oil)
Applications
Type 316 grade stainless steel is particularly effective in acidic environments. This grade of steel is effective in protecting against corrosion caused by sulfuric, hydrochloric, acetic, formic, and tartaric acids, as well as acid sulfates and alkaline chlorides.The lower carbon content in 316L minimizes deleterious carbide precipitation (carbon is drawn out of the metal and reacts with chromium due to heat, weakening the corrosion resistance) as a result of welding. Consequently, 316L is used when welding is required to ensure maximum corrosion resistance.
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