Stainless Steel Coil Core Parameter Comparison Overview
Stainless Steel Coil Core Parameter Comparison Overview
· Material Series: Determines rust prevention, cost, and core performance.
· Material Thickness: Determines processing technology and load-bearing capacity.
· Surface Finish: Determines appearance, applicable scenarios, and processing costs.
· Application: All parameters must match the scenario requirements.
200 Series: High Mn Low Ni.
300 Series: Austenitic General.
400 Series: Ferritic Martensitic.
200 Series: High Mn Low Ni.
300 Series: Austenitic General.
400 Series: Ferritic Martensitic.
0.03mm-100mm. Cold Rolled Thin Material / Hot Rolled Thick Material
0.03mm-100mm. Cold Rolled Thin Material / Hot Rolled Thick Material
2B / BA / NO.1 / 8K MIRROR / NO.4 HL
2B / BA / NO.1 / 8K MIRROR / NO.4 HL
Kitchen & Bath / Chemical Industry / Decoration / Machinery / Heavy Industry
Kitchen & Bath / Chemical Industry / Decoration / Machinery / Heavy Industry
· Cost Level: For the same specifications, the material determines the core cost.
Cost: 201<430<304<316L
Cost: 201<430<304<316L
· Rust Resistance: High-level rust prevention is required in humid/corrosive environments.
Rust: 201<410<304<316L
Rust: 201<410<304<316L
Stainless Steel Coil Material Series Comparison
Stainless Steel Coil Material Series Comparison
· Material Series:
200 Series (201,202) : Good cold working performance, high porosity, poor salt spray resistance.
300 Series (304,316) : Excellent plasticity, strong corrosion resistance, non-magnetic, the widest range of applications.
400 Series (410,430) : Good thermal conductivity, wear-resistant, magnetic, has better cost performance than 304 grade.
200 Series (201,202) : Good cold working performance, high porosity, poor salt spray resistance.
300 Series (304,316) : Excellent plasticity, strong corrosion resistance, non-magnetic, the widest range of applications.
400 Series (410,430) : Good thermal conductivity, wear-resistant, magnetic, has better cost performance than 304 grade.
· Detailed description of subdivision grades:
201 (12Cr17Mn6Ni5N) : Civilian low-cost stainless steel, only for indoor dry environment.
304 (06Cr19Ni10) : National standard general food grade stainless steel, the most used in the market.
316 (06Cr17Ni12Mo2) : Added molybdenum, resistant to chloride ion corrosion, suitable for seawater, chemical, sewage scenarios.
410 (1Cr13) : Martensitic stainless steel, high hardness after quenching, suitable for knives and tableware.
430 (1Cr17) : Ferritic stainless steel for kitchen and bathroom appliances, low-cost anti-corrosion solution.
201 (12Cr17Mn6Ni5N) : Civilian low-cost stainless steel, only for indoor dry environment.
304 (06Cr19Ni10) : National standard general food grade stainless steel, the most used in the market.
316 (06Cr17Ni12Mo2) : Added molybdenum, resistant to chloride ion corrosion, suitable for seawater, chemical, sewage scenarios.
410 (1Cr13) : Martensitic stainless steel, high hardness after quenching, suitable for knives and tableware.
430 (1Cr17) : Ferritic stainless steel for kitchen and bathroom appliances, low-cost anti-corrosion solution.
Stainless Steel Coil Thickness & Process Classification
Stainless Steel Coil Thickness & Process Classification
· Thickness Range:
0.03~0.3mm (Ultra-thin precision foil rolls): Extremely high dimensional accuracy, flat surface, and minimal tolerances.
Application: Precision stamping, electronic gaskets, bellows, precision hardware.
0.30~3.0mm (Conventional cold-rolled sheet coil): Mainstream spot specifications on the market, most versatile.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, general stamping parts.
3.00~6.0mm (Thick cold-rolled coil): Limited stock, mostly custom-made.
Application: Thick sheet metal, small pressure vessels, structural components.
0.03~0.3mm (Ultra-thin precision foil rolls): Extremely high dimensional accuracy, flat surface, and minimal tolerances.
Application: Precision stamping, electronic gaskets, bellows, precision hardware.
0.30~3.0mm (Conventional cold-rolled sheet coil): Mainstream spot specifications on the market, most versatile.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, general stamping parts.
3.00~6.0mm (Thick cold-rolled coil): Limited stock, mostly custom-made.
Application: Thick sheet metal, small pressure vessels, structural components.
Cold Rolled Stainless Steel Coil (CR: Cold Rolled, Mainly Thin Material):
Hot Rolled Stainless Steel Coil (HR: Hot Rolled, Mainly Thick Material):
· Thickness Range:
3.0~14.0mm (Hot-rolled conventional coil): Standard sizes are readily available and highly versatile.
Application: Pressure vessels, chemical equipment, flanges, structural components
14.0~100mm (Thick hot-rolled special specification coil): Custom-made flat panel production, large tolerances.
Application: Heavy industrial equipment, large pressure vessels, petrochemical cylinders, bridge structures
3.0~14.0mm (Hot-rolled conventional coil): Standard sizes are readily available and highly versatile.
Application: Pressure vessels, chemical equipment, flanges, structural components
14.0~100mm (Thick hot-rolled special specification coil): Custom-made flat panel production, large tolerances.
Application: Heavy industrial equipment, large pressure vessels, petrochemical cylinders, bridge structures
Core Summary: ≤3mm mostly cold rolled coil; ≥3mm commonly hot rolled coil
Stainless Steel Coil Surface Finish Comparison
Stainless Steel Coil Surface Finish Comparison
· Surface Finish:
2B: Cold rolling + annealing and pickling + finishing.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, pressure vessels, general stamping.
BA: Cold rolling + protective atmosphere bright annealing.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, general stamping parts.
NO.1: Hot rolling + pickling.
Application: Thick sheet metal, small pressure vessels, structural components.
8K MIRROR: 2B roll polishing and grinding.
Application: Decorative panels, elevators, curtain walls, reflective equipment.
NO.4 HL: 2B short filament drawing process.
Application: Kitchen and bathroom countertops, decorative pieces, elevator cars, billboards.
2B: Cold rolling + annealing and pickling + finishing.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, pressure vessels, general stamping.
BA: Cold rolling + protective atmosphere bright annealing.
Application: Kitchen and bathroom appliances, equipment housings, sheet metal, general stamping parts.
NO.1: Hot rolling + pickling.
Application: Thick sheet metal, small pressure vessels, structural components.
8K MIRROR: 2B roll polishing and grinding.
Application: Decorative panels, elevators, curtain walls, reflective equipment.
NO.4 HL: 2B short filament drawing process.
Application: Kitchen and bathroom countertops, decorative pieces, elevator cars, billboards.
2B / BA / NO.1 / 8K MIRROR / NO.4 HL
Stainless Steel Coil Application Scenario Selection Guide
Stainless Steel Coil Application Scenario Selection Guide
· Kitchen and bathroom appliances:
Recommended Material: SS Grade 201(Indoor)/304(Outdoor)
Recommended Material: SS Grade 201(Indoor)/304(Outdoor)
Application Scenario
Recommended Thickness: 0.4~3.0mm
Recommended Thickness: 0.4~3.0mm
Recommended Surface: No.4/8K FINISH
Recommended Surface: No.4/8K FINISH
Core Requirements: Aesthetically pleasing, weather-resistant, and easy to process and mold.
Core Requirements: Aesthetically pleasing, weather-resistant, and easy to process and mold.
· Architectural decoration field:
Recommended Material: SS Grade 201/304/430
Recommended Material: SS Grade 201/304/430
Recommended Thickness: 0.3～1.2mm
Recommended Thickness: 0.3～1.2mm
Recommended Surface: 2B/BA FINISH
Recommended Surface: 2B/BA FINISH
Core Requirements: Food-grade safe, rust-proof, easy to clean, and has good moldability.
Core Requirements: Food-grade safe, rust-proof, easy to clean, and has good moldability.
Recommended Material: SS Grade 304/316
Recommended Material: SS Grade 304/316
Recommended Thickness: 2.0~12.0mm
Recommended Thickness: 2.0~12.0mm
Recommended Surface: 2B/NO.1 FINISH
Recommended Surface: 2B/NO.1 FINISH
Core Requirements: Resistant to acid and alkali corrosion, high temperature resistance, and strong pressure resistance.
Core Requirements: Resistant to acid and alkali corrosion, high temperature resistance, and strong pressure resistance.
· Chemical environmental protection equipment:
Recommended Material: SS Grade 410/420 Ferritic Martensitic
Recommended Material: SS Grade 410/420 Ferritic Martensitic
Recommended Thickness: 1.0~3.0mm Cold Rolled
Recommended Thickness: 1.0~3.0mm Cold Rolled
Recommended Surface: 2B/BA FINISH
Recommended Surface: 2B/BA FINISH
Core Requirements: High hardness, wear resistance, and good sharpness retention after quenching.
Core Requirements: High hardness, wear resistance, and good sharpness retention after quenching.
· Tableware and cutlery field:
Recommended Material: SS Grade 304/316 Thin Cold Rolled
Recommended Material: SS Grade 304/316 Thin Cold Rolled
Recommended Thickness: 0.05~0.8mm
Recommended Thickness: 0.05~0.8mm
Recommended Surface: 2B/BA FINISH
Recommended Surface: 2B/BA FINISH
Core Requirements: High dimensional accuracy, good plasticity, and high surface finish.
Core Requirements: High dimensional accuracy, good plasticity, and high surface finish.
· Precision stamping:
Recommended Material: SS Grade 304/321 Heat Resistant Material
Recommended Material: SS Grade 304/321 Heat Resistant Material
Recommended Thickness: above 6.0mm
Recommended Thickness: above 6.0mm
Recommended Surface: No.1 FINISH
Recommended Surface: No.1 FINISH
Core Requirements: High temperature resistance, high pressure resistance, good weldability, and high structural strength.
Core Requirements: High temperature resistance, high pressure resistance, good weldability, and high structural strength.
· Pressure Vessels/Heavy Equipment: