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Aircraft Structural Parts Cold Finished Bar 300 Series Heat Resistance Smooth Surface

Categories Stainless Steel Bar
Brand Name: UST
Model Number: 301
Certification: ISO 9001
Place of Origin: CHINA
MOQ: MOQ: 1-3/ton
Payment Terms: L/C, T/T
Supply Ability: 800 ton/month
Delivery Time: 5-8 work days
Packaging Details: Wooden case or according to customers' requirement
Specifications:: S30100
Applications:: High strength and excellent corrosion resistance make Type 301 Stainless Steel useful for a wide variety of applications.
Standards:: ASTM/ASM, EURONORM, DIN
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Aircraft Structural Parts Cold Finished Bar 300 Series Heat Resistance Smooth Surface

300 Series Stainless-301 Stainless Steel


Shanghai unite steel inventory now includes Alloy 301 (UNS S30100) in sheet and sheet coil with short delivery. This grade is inventoried in three coniditoins: 1/4 hard, 1/2 hard, Full hard.


General Properties

Stainless steel grade 301 is a commonly available austenitic stainless with good corrosion resistance and elevated carbon to allow for cold working to a variety of tempers. It can be obtained in the 1/4 hard, 1/2 hard, and full hard.

Specifications: S30100

Applications:

High strength and excellent corrosion resistance make Type 301 Stainless Steel useful for a wide variety of applications. Typical uses include:

  • aircraft structural parts
  • trailer bodies
  • utensils
  • architectural and automotive rim
  • roof drainage products
  • conveyor belts
  • variety of industrial applications.

Standards:

  • ASTM/ASME: UNS S30200
  • EURONORM: X 12 CrNi 17 7
  • DIN: 1.4310

Corrosion Resistance

  • Good resistance in applications involving external exposure to mildly corrosive conditions at ambient temperatures.
  • Resists outdoor, industrial, marine, and mild chemical environments
  • susceptible to carbide precipitation during welding, which restricts its use in some applications
  • Similar to resistance of Stainless Steel grade 304

Heat Resistance

  • Can be exposed continuously without appreciable scaling to a max of 1600°F(871°C).
  • Maximum exposure temperature is about 1450°F (788°C), for intermittent exposure
  • Has an oxidation weight gain of 10mg/cm 2 in 1,000 hours, in temperatures over 1600°F (871°C).

Heat Treatment

  • Solution Treatment (Annealing) – Heat to 1010-1120°C and cool rapidly.
  • Use low side of range for intermediate annealing.
  • This grade cannot be hardened by thermal treatment.

Cold Working

  • hardens at high rate, creating a very high strength from cold rolling and from roll forming.
  • more difficult to work than other austenitic stainless steels, due to its high work hardening rate.
  • strain-hardened austenitite steel undergoes partial transformation into martensitite steel during this process.
  • severe cold deformation can still occur, due to residual ductility.
  • Grade 301 becomes strongly magnetic when cold rolled

Welding

  • must be annealed for maximum corrosion resistance
  • material will lose temper in the heat affected weld zone.
  • Welding and post weld annealing will both remove high strength induced by prior cold rolling.
  • Spot welding is commonly used to assemble cold rolled 301 components.

Chemical Properties:

%
Cr
Ni
C
Si
Mn
P
S
N
301Min:166------
Max:1880.151.002.00.0450.0300.10

Mechanical Properties:

Grade/Temper
Tensile Strength
ksi (min.)
Yield Strength 0.2%
ksi (min.)
Elongation -% in 50 mm (min.)
301 1/41257525
301 1/215011018
301 Full Hard1851409

Physical Properties:

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Electrical Resistivity mW-in
Thermal Conductivity BTU/hr-ft-°F
Melting
Range
0.29at 68 – 212°Fat 68 – 932°Fat 68 – 1450°Fat 68°Fat 212°Fat 392°Fat 752°Fat 1112°Fat 1472°Fat 68 – 212°F2550-2590°F
9.210.410.928.330.733.839.443.747.69.4

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