Let’s find out applications of stainless steel grades and surfaces with OSS Dai Duong JSC!
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Applications of stainless steel pipe, sheet grades
GRADE SUS 201
This stainless steel grade has an excellent capable formation, main alloys is Cr, Ni and Mg. Used to produce home appliance, clarifier, net, auto parts, medical equipment, etc.
GRADE SUS 301
This grade has high percentage of C and Ni, low Cr so its durable is excellent using to produce springs, parts of railway vehicle and conveyor.
GRADE SUS 301L
This grade has max 0.03 percentage of Cr, C is lower than grade 301 so its anti-corrosion of welding parts. High durable, formation capacity and weldable, using to produce parts of railway vehicle.
GRADE SUS 304
This grade has an excellent anti-corrosion capacity, machinability and weather resistance. Widely used in tableware, sinks, building materials, kitchenware and steel pipes.
GRADE SUS 304L
This grade has lower C content than grade 304 therefore it has superior resistance to intergranular corrosion. 304L does not need heat treatment after welding and used in materials of industrial machinery, steel pipes, chemical plants and construction.
GRADE SUS 304J1
This grade is used for deep processing and has the same corrosion resistance as grade 304. It is also more formable than grade 304 and used in highly formable products such as thermos, sink and door handle.
GRADE SUS 316 & 316L
This grade contains the alloying element Mo and has better resistance to pitting corrosion against various corrosive elements, including seawater than grade 304. It is used in industrial machine materials, steel pipes and construction purposes.
GRADE SUS 321
This grade contains Ti improves resistance to intergranular corrosion and used in heat exchanger tubes and in the inner plates of heat treatment furnaces.
GRADE SUS 305
This grade, excellent in its non-magnetic properties and cold formability, used in both electrical and electronic parts as well as in tableware.
GRADE SUS 430
This grade has superior formability and weldability, widely used in applications such as kitchenware, tableware, building materials and automotive parts.
GRADE SUS 490
This steel has high weldability and ductility in addition to formability. It is used in heat-resistant materials due to its good resistance to intergranular corrosion, and is mainly used in automobile exhaust pipes, heat-resistant materials, heat exchanger tubes and container exterior materials.
GRADE SUS 410L
This grade used in welded structures has improved weldability and ductility in addition to machinability (bending) for welded parts. It is used in structural materials for construction, framing in both exterior and interior cases of containers.
GRADE SUS 430J1L
This grade has high tensile strength, corrosion resistance, weldability and high temperature properties and used to make machine container, kitchenware, household appliances and heat resistant tools.
GRADE SUS 436L
This grade has higher resistance to salt corrosion, condensation corrosion, stress corrosion resistance. In particularly they have more heat resistant properties than 430 steel and used in automotive exhausts, building materials, boiling facilities, water supplies and heat resistant tools.
GRADE SUS 410
With heat treatments such as quenching, this grade has excellent properties. It is used in mechanical structures requiring corrosion resistance or in tableware requiring quality surface finishes without heat treatment.
GRADE SUS 420J1, 420J2
Cooling this grade produces products with high hardness. Heat treatment produces the ductile properties of steel. This grade is used in the material of knives or precision assemblies.
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Applications of stainless steel wire rod grades
GRADE SUS 303
This grade has excellent machinability improvement and used in the material of shafts and screw nuts.
GRADE SUS 304
This grade has better corrosion resistant is widely used in applications such as ropes, springs, nets, bolts and screw nuts.
GRADE SUS 304L
This grade with a low C content and very good resistance to intergranular corrosion. It is used for mesh material.
GRADE SUS XM-7
This grade has improved excellent cold resistance properties and better corrosion resistance through the reduction of work hardening elements (C, N, S). It is used for small screws and bolts.
GRADE SUS 316
This grade is more resistant to seawater and pitting corrosion than grade 304, and used for CD wire rods, colts and screw nuts.
GRADE SUS 316L
This grade has less C content than grade 316, in addition to having very good resistance to seawater and intergranular corrosion. It is mainly used for mesh material.
GRADE SUS Y308
This grade is more resistant to corrosion and heat than grade 304 steel and used in welding wire.
GRADE SUS 430
With good formability and low hardening properties, this steel is used for various purposes such as electronics, home appliances, decorations, etc.
Application of stainless steel surface
SURFACE No.1
It is used to make cold rolled materials, pipes, industrial tanks, tools in chemical industry.
SURFACE No.2D
It is used for petrochemical plants, automobile wheels and building materials.
SURFACE No.2B
It is used in kitchenware, building materials, industrial equipment and medical instruments.
SURFACE No.3
It is used in building materials and industrial art objects…
SURFACE No.4
It is used in kitchen utensils, medical instruments, automobile wheels, and building materials.
SURFACE BA
This is a heat treated bright steel that is done after a cold rolling process, giving it a highly reflective surface. It is used for automobile rearview mirror, kitchenware and building interior materials.
SURFACE HL
This surface is made by polishing No.4 steel with a suitable size sandpaper with continuous scratches. It is used as interior and exterior building materials, roofing, doors and elevators.
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Editorial board: O S S Dai Duong