POOSHESH STEELPERGAS
فا

AISI 304N (S30451) Stainless Steel

Austenitic & General Stainless Steels

annealed
OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength620MPa
Yield Strength270MPa
Brinell Hardness190HB
Maximum Service Temperature960°C
Weight Calculator

Chemical Composition

C
0 to 0.080%
CR
18 to 20%
NI
8.0 to 10.5%
MN
0 to 2.0%
SI
0 to 0.75%
N
0.1 to 0.16%
P
0 to 0.045%
S
0 to 0.030%
FE
66.4 to 73.9%

Mechanical

Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
220 MPa
Poisson's Ratio
0.28
Reduction in Area
51 %
Shear Modulus
77 GPa
Shear Strength
420 MPa
Tensile Strength: Ultimate (UTS)
620 MPa
Tensile Strength: Yield (Proof)
270 MPa

Hardness

Brinell Hardness
190
Rockwell B Hardness
82

Physical

Density
7.8 g/cm 3

Thermal

Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
960 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.2 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points

Electrical

Electrical Conductivity: Equal Volume
2.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS

Calculated

PREN (Pitting Resistance)
21
Resilience: Ultimate (Unit Rupture Work)
170 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points

Environmental

Base Metal Price
15 % relative
Embodied Carbon
3.0 kg CO 2 /kg material
Embodied Energy
43 MJ/kg
Embodied Energy
43 MJ/kg 18 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 17 gal/lb
Registered Designations & Aliases
304NAISI 304NAISI 304N (S30451) Stainless SteelS30451
Standards

ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A276 ASTM A276: Standard Specification for Stainless Steel Bars and Shapes

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ASTM A666 ASTM A666: Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels