Type of Stainless Steel
 
Type
Characteristics
Applications
Classification
JIS
(SUS)
Nisshin
(NSS)
Austenitic
Type
301L
-
High strength can be obtained by skinpass. Highly resistant to intergranular corrosion. Railway rolling stock
301
-
High strength can be obtained by skinpass. Steel belts, automotive wheel covers, springs.
304
-
Typical austenitic stainless steel. Sundries, kitchen utensils, LNG tanks, others
-
304S
Soft and amenable to deep drawing. Sundries
-
304M2
Amenable to deep drawing and stretch forming. Sundries, door knobs, sink bowls
304L
-
Lower carbon content than type 304, high resistance to intergranular corrosion. Oil refinery and papermaking equipment
-
305M1
Extremely deep drawing is possible. Slightly magnetized after forming. TV electron guns and electronic parts
-
302B
More oxidation-resistant than type 304. Automotive exhaust gas purifiers
309S
-
High-quality oxidation-resistant steel. Burning chamber parts
-
ER-1
Equal in oxidation-resistance with type 309S. Automotive exhaust gas purifiers
310S
-
High-quality oxidation-resistant steel. Nitric acid tanks and burning chamber parts
316
-
Highly corrosion-resistant. Slightly magnetized after forming. Chemical and paper industry equipment and VTR guide rollers
316L
-
Lower carbon content than type316, high resistance to intergranular corrosion. Chemical,paper, dye.and fertilizer industry equipment
316J1
-
Sulfuric acid resistance increased by adding copper to type 316. Chemical, paper,dye.and fertilizer industry equipment
316J1L
-
Lower carbon content than type 316JI, high resistance to intergranular corrosion. Chemical, paper, dye. and fertilizer industry equipment
317
-
Corrosion resistance increased by adding molybdenum to type 316. Chemical, paper, dye.and fertilizer industry equipment
317L
-
Lower carbon content than type 317, high resistance to intergranular corrosion. Chemical, paper, dye.and fertilizer industry equipment
321
-
Stable steel developed by adding titanium to type 304. Free from intergranular corrosion. Chemical, paper, dye.and fertilizer industry equipment
347
-
Stable steel developed by adding niobium to type 304. Free from intergranular corrosion. Chemical, paper, dye.and fertilizer industry equipment
-
SCR
Resistant to both stress corrosion cracking and crevice corrosion. Boilers and electric water heaters
Ferritic
Type
SUH409
-
Oxidation-resistant steel developed by adding titanium to 11Cr type. Automotive parts and exhaust gas purifiers
-
409M1
Type 409 modified by increasing workability,oxidation resistance, and high-frequency weldability. Automotive exhaust pipes
405
-
Weldability and workability increased by adding aluminum to type 410. Oil refining distillation column trays
430
-
Typical ferritic stainless steel. Welds with extremely low corrosion resistance. Kitchen utensils, sundries, stove reflectors
(430LX)
430M2
Developed by adding titanium to type 430. Has higher workability, weldability, and corrosion resistance than type 430. Sink bowls, burners, bicycle rims, and bath heater external plates
(430LX)
430M4
Developed by adding niobium to type 430 for increased workability and weldability. Bicycle rims and automotive parts such as wheel covers
-
430M3
Developed by adding molybdenum and titanium to type 430. High workability, weldability,and corrosion resistance. Boilers
434
-
Developed by adding molybdenum to type 430. More corrosion-resistant than type 434. Automotive trimmings
-
442M2
Developed by adding copper to type 430. Equal in corrosion resistance to type 430. Automotive trimmings
-
442M3
Developed by adding copper and niobium to type 430. More corrosion-resistant than type 434. Automotive trimmings
(444)
444N
Free from stress corrosion cracking. Equal in corrosion resistance to type 316. Water reservoirs, heat reservoirs, solar heater collectors
-
NSS445M2
Highly corrosion and wether resistance Building materials
(410L)
410M1
Developed by reducing carbon content in type 410. Highly workable. Used as automotive exhaust system material. Automotive exhaust gas purifiers and exhaust pipes
-
NCA-1
18Cr-Al Steel with high oxidation resistance. Oilstove burning columns which must heat red
-
NCA-2
13Cr-Si-Al Steel exhibiting high oxidation resistance. Oilstove burning columns
Martensitic
Type
403
-
Developed by reducing silicon content in type 410. Valve sheets
410
-
Typical 13Cr stainless steel. Low hardenability. Turbine blades, spoons, forks
410S
-
Developed by reducing carbon content in type 410 to below 0.08%. High workability. Sundries and distillation column trays
-
410M4
Designed so that maximum Rockwell hardness of about 35 can be obtained only by hardening in wide temperature range. Motocycle disk brakes
420J1
-
High hardenability and work hardenability. Machine parts, table-knives
420J2
-
High hardenability and work hardenability. Table- knives, slide calipers, rulers, scissors
-
(WNR4034)
Has the highest hardenability of all types of steels which can be formed into wide widths. Knives, scissors, nail clippers
High
Tensile
Type
-
HT980
High strength can be obtained by hardening after heating to 750ºC or higher temperatures. Steel belts and high-tension materials for welding
-
HT1770
Workable at low hardnesses because of high hardenability obtainable with age- hardening.
High workability and long mold life.
Accessories,washers, contact springs, watch and clock parts, pantograph springs, valve sheets, golf club shafts
-
HT1960
Highly ductile high-strength steel. ID saw blades and springs
Dual-phase
Type
-
431DPI
High strength, large elongation, and low surface anisotropy. Floppy disk center cores
 
 
   
 
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