CNC Materials
Stainsteel
Stainless steel is an alloy steel with good corrosion resistance. Its main components are iron (Fe) and chromium (Cr), of which the chromium content is usually above 10.5%.
【01】
Alloys
X10CrNi18-8, X5CrNi18-10, X5CrNiMo17-12-2, X2CrNiMo 17-12-2
1.4310, 1.4301, 1.4401, 1.4404
SUS 301/303/304/316/316L
【02】
US Standard
ASTM A276
ASTM A312
【03】
EN Standard
DIN EN 10088
【04】
GB Standard
ISO 2851
ISO 16143
Application of Stainsteel Materials
Stainless steel is widely used in the field of CNC machining. Due to its excellent corrosion resistance, strength, machinability, hygiene and aesthetics, it has become an indispensable material in many high-demand industries. Through CNC machining technology, stainless steel can be accurately processed into various shapes and sizes to meet the needs of different industries.
X10CrNi18-8
Surface Treament
Passivation
Pickling
Features
Composition: 18% Chromium (Cr), 8% Nickel (Ni).
Against atmospheric corrosion and oxidation.
Excellent weldability and formability.
Application
Food Processing: Equipment, utensils, and containers.
Chemical Industry: Pipes, tanks, valves.
Architectural: Architectural cladding and building materials.
X5CrNi18-10
Anodizing
Pickling and Passivation
Composition: 18% Chromium, 10% Nickel.
Excellent corrosion resistance.
Similar to X10CrNi18-8 but with slightly higher nickel content, offering enhanced toughness.
Excellent weldability.
Food and Beverage Industry: Equipment used in food processing, dairy, and pharmaceuticals.
Architectural: Widely used in the construction of buildings and bridges.
X5CrNiMo17-12-2
Anodizing
Powder Coating
Composition: 17% Chromium, 12% Nickel, 2% Molybdenum.
Resistant to pitting and crevice corrosion.
High strength.
Good weldability.
Marine Applications: Boat parts, and pipelines exposed to seawater.
Chemical Processing: Pumps, valves, and reactors.
X2CrNiMo 17-12-2
Pickling
Passivation
Composition: 17% Chromium, 12% Nickel, 2% Molybdenum.
Similar to X5CrNiMo17-12-2 but with better weldability and slightly more resistant to certain acids.
High strength, good toughness, ductility.
Pharmaceutical Industry: Tanks and other equipment exposed to aggressive environments.
Food and Beverage: Equipment for processing food that requires high hygiene standards.
1.4310 (AISI 301)
Passivation
Polishing
Composition: 16-18% Chromium, 6-8% Nickel.
Good general corrosion resistance, but less resistant than 304 or 316 grades.
High strength, particularly after cold working.
Can be hardened through cold working.
Springs and Fasteners
Exhaust systems and trim components
1.4301 (AISI 304)
Passivation
Pickling
Composition: 18% Chromium, 8% Nickel.
Excellent resistance to a wide range of corrosive environments.
Good strength, excellent formability, and weldability.
Cookware, sinks, countertops, and food processing equipment.
Piping, tanks, and vessels.
1.4401 (AISI 316)
Passivation
Pickling
Composition: 16% Chromium, 10% Nickel, 2% Molybdenum.
Characteristics:
Exceptional corrosion resistance, especially in marine and chloride-exposed environments.
Higher strength and toughness than 304.
Boat fittings, sea-water systems.
Storage tanks and processing equipment exposed to acids.
1.4404 (AISI 316L)
Passivation
Pickling
Composition: 16% Chromium, 10% Nickel, 2% Molybdenum (Lower Carbon than 1.4401).
Characteristics:
Even better resistance to pitting and crevice corrosion than 316.
Excellent weldability, with minimal carbide precipitation during welding.
Medical: Implants, surgical instruments.
Pharmaceutical and food equipment.
