스테인리스강관 (개요)


Feature and Purpose
Standard Features Use
KS JIS ASTM DIN
STS 304 SUS 304 TP 304 1.4301 Excellent corrosion resistance, thermal resistance and toughness in low temperature. Good quality for molding processing and welding. No hardening by heat treatment and no magnelism Chemical industry equipment, food industry piping, vehicles parts, textile industry equipment, thermal resistant parts, construction and decoration, kitchen appliances, household equipment
STS 304L SUS 304L TP 304L 1.4306 Low carbonized Ni-Cr steel that is similar to 304 in corrosion resistance normally, but that is more excellent in grain-boundary corrosion resistance after welding of stress-eliminating heat treatment Petrochemical industry, artificial fiber industry, nuclear power plant equipment
STS 316 SUS 316 TP 316 1.4401 With 2~3% addition of Mo and increase of Ni, it has excellent corrosion resistance (especially against sulfuric acid) Strong pitting corrosion resistance high-temperature creep strength and heat treatment strength. No hardening and magnetism. Petrochemical industry, synthetic fiber industry, chemcals industry, paper manufacturing industry, food producing equipment
STS 316L SUS 316L TP 316L 1.4404 Low carbonized Ni-Cr steel containing Mo that has similar to 316 in its features and is more excellent in internal grain-boundary corrosion resistance after welding or stress-eliminating heat treatment Paper making and pulp industry, artificial fiber industry, shipbuiblings dyeing machine and manufacturing equipment for phosphiric acid,etc
STS 310S SUS 310S TP 310S 1.4845 Austenite line of stainless steel that has high quality Cr percentage and the corrosion resistance improved by lowering the quantity of C. Acetic acid and other chemical industry device resistor

Chemical composition
Standard C Mn P S Si Ni Cr Mo
KS JIS ASTM DIN max max max max max max max max
STS 304 SUS 304 TP 304 1.4301 0.080 2.000 0.040 0.030 1.000 8.00~11.00 18.00~20.00 -
STS 304L SUS 304L TP 304L 1.4306 0.030 2.000 0.040 0.030 1.000 9.00~13.00 18.00~20.00 -
STS 316 SUS 316 TP 316 1.4401 0.080 2.000 0.040 0.030 1.000 1.000~14.00 16.00~18.00 2.00~3.00
STS 316L SUS 316L TP 316L 1.4404 0.030 2.000 0.040 0.030 1.000 12.00~16.00 16.00~18.00 2.00~3.00
STS 310S SUS 310S TP 310S 1.4845 0.080 2.000 0.040 0.030 1.500 19.00~22.00 16.00~18.00 -

Mechanical feature
Standard Yield strength(Y/S) Tension strength(T/S) Elongation(EL) Hardness
KS JIS ASTM DIN (N/mm²) (N/mm²) (%) (HRB)
STS 304 SUS 304 TP 304 1.4301 min 205 min 520 min 35 max 90
STS 304L SUS 304L TP 304L 1.4306 min 175 min 480 min 35 max 90
STS 316 SUS 316 TP 316 1.4401 min 205 min 520 min 35 max 90
STS 316L SUS 316L TP 316L 1.4404 min 175 min 480 min 35 max 90
STS 310S SUS 310S TP 310S 1.4845 min 205 min 520 min 35 max 90