stainless steel sheet/plate

1.        Standards for 321 stainless steel

l  GB/T 1220-2007: 06Cr19Ni11Ti (Standards from China)

l  ASTM: 321 (Standards from USA)

l  DIN: 1.4541 (Standards from Europe)

l  JIS: SUS321 (Standards from Japan)

l  KS: STS321 (Standards from Korea)

2.        Applications

l  oil waste gas pipeline

l  engine exhaust pipe

l  boiler shell, heat exchanger, heating furnace parts

l  Noise components of 4 diesel engine

l  boiler pressure vessel

l  chemical transport vehicles

l  expansion joint

l  Spiral welded pipe for furnace pipe and dryer

321 stainless steel is Ni-Cr-Ti-type austenitic stainless steel, its performance is very similar to the 304, but due to the addition of the metal titanium, it has a better intergranular corrosion resistance and high temperature strength. The addition of titanium, making it effective control of the formation of chromium carbide. Excellent high-temperature stress of 321 stainless steel with a breaking (Stress Rupture) properties and high temperature creep resistance (Creep Resistance) stress mechanical properties are superior to 304 stainless steel.

Chemical composition

C (%)

Si (%)

Mn (%)

P (%)

S (%)

Cr (%)

Ni (%)

Ti (%)









Mechanical property

tensile strength


Yield Strength




rate of reduction in area (%)








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