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403 stainless steel sheet
403 stainless steel sheet
403 stainless steel sheet
403 stainless steel sheet

403 stainless steel sheet

This straight chromium stainless steel offers reasonable corrosion resistance and high mechanical characteristics. The 403 Series offers heat resistance and a scaling temperature of about 1300°F.
Product Information
This straight chromium stainless steel offers reasonable corrosion resistance and high mechanical characteristics. The 403 Series offers heat resistance and a scaling temperature of about 1300°F. It is a corrosion and heat resistant 12% Cr martensitic stainless steel. This alloy offers a wide range of mechanical properties that are obtainable by appropriate heat treatments. It is easily hardened by oil, fan or air cooling and may be tempered at temperatures of up to 1350°F (732°C) to improve fracture toughness. Oil or fan cooling is required in thicker sections
 
Technical data

Chemical Composition

The chemical composition of grade 403 stainless steels outlined in the following table.

Element

Content (%)

Iron, Fe

86

Chromium, Cr

12.3

Manganese, Mn

1.0

Silicon, Si

0.50

Carbon, C

0.15

Phosphorous, P

0.040

Sulfur, S

0.030

Carbon, C

0.15

Physical Properties

The following table shows the physical properties ofgrade 403 stainless steel.

Properties

Metric

Imperial

Density

7.80 g/cm3

0.282 lb/in3

Mechanical Properties

The mechanical properties of grade 403 annealedstainless steel are displayed in the following table.

Properties

Metric

Imperial

Tensile strength

485 MPa

70300 psi

Yield strength (@strain  0.200 %)

310 MPa

45000 psi

Fatigue Strength  (annealed, @diameter 25mm/0.984 in)

275 MPa

39900 psi

Shear modulus (typical  for steel)

76.0 GPa

11000 ksi

Elastic modulus

190-210 GPa

27557-30458 ksi

Poisson's ratio

0.27-0.30

0.27-0.30

Elongation at break (in  50 mm)

25.00%

25.00%

Izod impact (tempered)

102 J

75.2 ft-lb

Hardness, Brinell  (converted from Rockwell B hardness)

139

139

Hardness, Knoop (converted  from Rockwell B hardness)

155

155

Hardness, Rockwell B

80

80

Hardness, Vickers  (converted from Rockwell B hardness)

153

153

 

Physical Properties

The following table shows the physical properties ofgrade 403 stainless steel.

Properties

Metric

Imperial

Density

7.80 g/cm3

0.282 lb/in3

 

Thermal Properties

The thermal properties of grade 403 stainless steelare given in the following table.

Properties

Metric

Imperial

Thermal expansion  co-efficient (@0-100°C/32-212°F)

9.90 μm/m°C

5.50 μin/in°F

Thermal conductivity  (@500°C/932°F)

21.5 W/mK

149 BTU in/hr.ft2.°F

Other Designations

Equivalent materials to grade 403 stainless steel aregiven in the table below.

AISI 403

AISI 614

ASTM A176

ASTM A276

ASTM A473

ASTM A314

ASTM A479

ASTM A511

ASTM A580

DIN 1.4000

QQ S763

AMS 5611

AMS 5612

FED QQ-S-763

MIL SPEC MIL-S-862

SAE 51403

SAE J405 (51403)

 

 

 

Applications

Grade 403 stainless steel is used in turbine partsand compressor blades.

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