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E: enquiry@qilumetal.com
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201 stainless steel is a type of chromium-nickel-manganese austenitic stainless steel, which is widely used as a cost-effective alternative to 304 stainless steel in less corrosive environments. With moderate corrosion resistance, good formability and weldability, and a low nickel content, you can find equivalents in various steel standards. Such as X12CrMnNiN17-7-5/1.4372 from the European standard EN 10088-3, 12Cr17Mn6Ni5N/1Cr17Mn6Ni5N from the Chinese standard GB/T 1220, SUS201 from the Japanese standard JIS G4303, and 12Kh15G9ND from the Russian standard GOST 5632-72, etc.
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AISI 201 is a chromium-nickel-manganese austenitic stainless steel, renowned as a cost-effective alternative to 304 stainless steel in environments with moderate corrosion demands. Its balanced properties—including decent corrosion resistance, excellent formability, and strong weldability—make it a versatile choice across industries.
This grade aligns with multiple international standards, such as EN X12CrMnNiN17-7-5 (1.4372) (European), JIS SUS201 (Japanese), GB/T 1220 12Cr17Mn6Ni5N (Chinese), and GOST 5632-72 12Kh15G9ND (Russian). Its low nickel content (3.50-5.50%) reduces costs while maintaining functional performance, making it ideal for budget-conscious projects without compromising on basic durability.
The unique alloy blend of AISI 201 and its equivalents ensures consistent performance. Key elements (max/min percentages) include:
Grade | C (Max) | Si (Max) | Mn | P (Max) | S (Max) | Cr | Ni | N (Max) |
AISI 201 | 0.15 | 1.0 | 5.50-7.50 | 0.060 | 0.030 | 16-18 | 3.50-5.50 | 0.25 |
EN 1.4372 | 0.15 | 1.0 | 5.50-7.50 | 0.045 | 0.015 | 16-18 | 3.50-5.50 | 0.25 |
JIS SUS201 | 0.15 | 1.0 | 5.50-7.50 | 0.060 | 0.030 | 16-18 | 3.50-5.50 | 0.25 |
Highlight: The 16-18% chromium content enhances corrosion resistance, while 5.50-7.50% manganese boosts strength and formability.
AISI 201 delivers reliable mechanical performance for diverse applications:
· Tensile strength: ≥520 MPa (SUS201, JIS G4303)
· Yield strength: ≥275 MPa
· Elongation: ≥40%
· Hardness: ≤HBW 241
For EN 1.4372, tensile strength ranges from 680-880 MPa (for diameters ≤160mm), with yield strength ≥230 MPa and elongation ≥40%, ensuring robustness in structural uses.
· Formability: Easy to bend, shape, and deep-draw, suitable for complex designs like kitchen sinks or decorative trim.
· Weldability: Compatible with standard welding methods (e.g., TIG, MIG) without significant loss of strength.
· Heat Treatment: Solution annealing at 1010-1120°C (followed by rapid cooling) optimizes corrosion resistance and eliminates work hardening.
AISI 201 stainless steel thrives in environments where high corrosion resistance is not critical but cost and versatility matter:
· Utensils: Knives, forks, spoons, and dinner plates.
· Appliances: Pots, pans, sinks, and refrigerator interiors.
· Daily items: Insulated cups, trays, and storage containers.
· Building trim: Door/window frames, handrails, and elevator panels.
· Interior design: Ceilings, skirting boards, and curtain wall accents.
· Automotive parts: Exhaust components and trim.
· Hardware: Screws, nuts, and springs.
· Retail fixtures: Supermarket carts, shelves, and signage.
AISI 201 has lower nickel (3.50-5.50% vs. 8-10.5% in 304) and higher manganese, making it more affordable. It works well in less corrosive environments (e.g., indoor use), while 304 is better for outdoor or high-moisture settings.
It can be used outdoors in dry climates but may corrode faster in coastal or high-humidity areas. For such environments, 304 or 316 is recommended.
Common finishes include turned, milled, ground (±0.05mm tolerance), polished, and black forged, catering to both functional and decorative needs.
Stock includes hot-rolled bars (Φ10-130mm), forged bars (Φ140-600mm), plates (2-250mm thickness), and cold-drawn sheets (0.2-3mm). Contact us for real-time stock updates.
With its blend of affordability, workability, and versatility, AISI 201 is a smart choice for countless projects. Explore our stock or inquire today for tailored solutions.
AISI 201 is a chromium-nickel-manganese austenitic stainless steel, renowned as a cost-effective alternative to 304 stainless steel in environments with moderate corrosion demands. Its balanced properties—including decent corrosion resistance, excellent formability, and strong weldability—make it a versatile choice across industries.
This grade aligns with multiple international standards, such as EN X12CrMnNiN17-7-5 (1.4372) (European), JIS SUS201 (Japanese), GB/T 1220 12Cr17Mn6Ni5N (Chinese), and GOST 5632-72 12Kh15G9ND (Russian). Its low nickel content (3.50-5.50%) reduces costs while maintaining functional performance, making it ideal for budget-conscious projects without compromising on basic durability.
The unique alloy blend of AISI 201 and its equivalents ensures consistent performance. Key elements (max/min percentages) include:
Grade | C (Max) | Si (Max) | Mn | P (Max) | S (Max) | Cr | Ni | N (Max) |
AISI 201 | 0.15 | 1.0 | 5.50-7.50 | 0.060 | 0.030 | 16-18 | 3.50-5.50 | 0.25 |
EN 1.4372 | 0.15 | 1.0 | 5.50-7.50 | 0.045 | 0.015 | 16-18 | 3.50-5.50 | 0.25 |
JIS SUS201 | 0.15 | 1.0 | 5.50-7.50 | 0.060 | 0.030 | 16-18 | 3.50-5.50 | 0.25 |
Highlight: The 16-18% chromium content enhances corrosion resistance, while 5.50-7.50% manganese boosts strength and formability.
AISI 201 delivers reliable mechanical performance for diverse applications:
· Tensile strength: ≥520 MPa (SUS201, JIS G4303)
· Yield strength: ≥275 MPa
· Elongation: ≥40%
· Hardness: ≤HBW 241
For EN 1.4372, tensile strength ranges from 680-880 MPa (for diameters ≤160mm), with yield strength ≥230 MPa and elongation ≥40%, ensuring robustness in structural uses.
· Formability: Easy to bend, shape, and deep-draw, suitable for complex designs like kitchen sinks or decorative trim.
· Weldability: Compatible with standard welding methods (e.g., TIG, MIG) without significant loss of strength.
· Heat Treatment: Solution annealing at 1010-1120°C (followed by rapid cooling) optimizes corrosion resistance and eliminates work hardening.
AISI 201 stainless steel thrives in environments where high corrosion resistance is not critical but cost and versatility matter:
· Utensils: Knives, forks, spoons, and dinner plates.
· Appliances: Pots, pans, sinks, and refrigerator interiors.
· Daily items: Insulated cups, trays, and storage containers.
· Building trim: Door/window frames, handrails, and elevator panels.
· Interior design: Ceilings, skirting boards, and curtain wall accents.
· Automotive parts: Exhaust components and trim.
· Hardware: Screws, nuts, and springs.
· Retail fixtures: Supermarket carts, shelves, and signage.
AISI 201 has lower nickel (3.50-5.50% vs. 8-10.5% in 304) and higher manganese, making it more affordable. It works well in less corrosive environments (e.g., indoor use), while 304 is better for outdoor or high-moisture settings.
It can be used outdoors in dry climates but may corrode faster in coastal or high-humidity areas. For such environments, 304 or 316 is recommended.
Common finishes include turned, milled, ground (±0.05mm tolerance), polished, and black forged, catering to both functional and decorative needs.
Stock includes hot-rolled bars (Φ10-130mm), forged bars (Φ140-600mm), plates (2-250mm thickness), and cold-drawn sheets (0.2-3mm). Contact us for real-time stock updates.
With its blend of affordability, workability, and versatility, AISI 201 is a smart choice for countless projects. Explore our stock or inquire today for tailored solutions.
