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Mali 303 Stainless Steel Coil
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Product Description
303 Stainless Steel Coil Description
303 stainless steel coil has good plasticity and toughness and is easy to perform cold and hot processing. It can meet the processing needs of various complex shapes. It can still maintain good toughness and strength in low temperature environments and is suitable for applications that need to deal with low temperature environments. Besides, 303 stainless steel coil can still maintain high strength and good fatigue resistance at high temperatures, and is suitable for structural parts and fasteners in high temperature environments. As a general-purpose stainless steel, 303 stainless steel has a wide range of applications. It can be used in the food industry, chemical industry, petroleum, pharmaceutical and other fields to meet different needs.
The 303 Stainless Steel Coil is a free-machining stainless steel material designed for applications requiring excellent machinability and reliable corrosion resistance. Manufactured with precise chemical composition control, it offers good mechanical strength, stable performance, and consistent surface quality. The coil is widely used in the production of precision components, shafts, fasteners, fittings, valves, and various industrial parts. Its sulfur-enhanced composition improves cutting efficiency, making it suitable for high-speed machining processes while maintaining the durability associated with stainless steel materials. As a versatile stainless steel coil, it provides excellent formability and dimensional accuracy for further processing. Produced under strict quality control standards, the 303 Stainless Steel Coil ensures reliable performance, smooth surface finish, and long service life, making it an ideal choice for industrial manufacturing, engineering applications, and precision machining industries.
Product Parameters
Product Name | 303 Stainless Steel Coil |
Type | Steel Coil |
Thickness | 2.5mm-10.0mm |
Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc. |
Width | 610mm-2000mm |
Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. |
Surface | BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc. |
Scope of Application | Widely used in high temperature and electrical industry, medical equipment construction, chemical, food industry, agriculture and ship parts, food and beverage packaging, Kitchen supplies, trains, airplanes, conveyor belts, vehicles, bolts, nuts, springs and screens, etc. |
Certificate | ISO, SGS, BV, etc. |
Production Technology | Hot Rolling, Cold Rolling |
Edge Processing | Edging, Trimming |
Chemical Composition
C | Si | Mn | Cr | Ni | S | P |
≤ 0.15 | ≤1.0 | ≤ 2.0 | 17.0~19.0 | 8.0~10.0 | ≥ 0.15 | ≤ 0.20 |
Mechanical Properties
Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
≥ 520 | ≥ 205 | ≥ 40 | ≤ 187HB ;≤ 90HRB;≤ 200HV |
Physical Performance
Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(10-6*Ω.m) |
8.03 | 193 | 17.3 | 16.3 | 0.72 |
Surface Selection



















