310S Stainless Steel Grade

 

Chemical Composition

Type 310 grade stainless steel chemical composition is listed in the following table.

Type 310 Stainless Steel Chemical Composition, %
ASTM Standard	AISI (UNS)	C, ≤	Si, ≤	Mn, ≤	P, ≤	S, ≤	Cr	Ni	Other Elements
ASTM A240/A240M; ASTM A276/A276M; ASTM A314; ASTM A167; ASTM A479/A479M ASTM A580/A580M; ASTM A473; ASTM A959 SAE J405;	310 (UNS S31000)	0.25	1.50	2.00	0.045	0.03	24.0-26.0	19.0-22.0	–
	310S (UNS S31008)	0.08	1.50	2.00	0.045	0.03	24.0-26.0	19.0-22.0	–
	310H (UNS S31009)	0.04-0.10	0.75 (1.00)	2.00	0.045	0.03	24.0-26.0	19.0-22.0	–
	310Cb (UNS S31040)	0.08	1.5	2.00	0.045	0.03	24.0-26.0	19.0-22.0	Nb, 10×C-1.10
	310HCb (UNS S31041)	0.04-0.10	0.75	2.00	0.045	0.03	24.0-26.0	19.0-22.0	Nb, 10×C-1.10

Physical Properties

Type 310 grade stainless steel physical properties are listed in the table below such as density, melting point, specific heat, electrical resistivity, elastic modulus (modulus of elasticity), thermal conductivity, and coefficient of thermal expansion (CTE).

Notes:

10^-6·K^-1 = 10^-6/K

1 Ω·mm²/m = 1 μΩ·m

1 g/cm3 = 1 kg/dm3 = 1000 kg/m3

1 GPa = 1 kN/mm2

1 MPa = 1 N/mm2

Type 310 Physical Properties
Density, g/cm3 (lb/in3)	8.0 (0.29)
Melting point, °C (°F)	1400-1450 (2550-2650)
Specific heat capacity, J/kg·K (Btu/lb ·°F)	500 (0.12) at 20 °C (68 °F)
Electrical resistivity, μΩ·m	0.78 at 20 °C (68 °F)
Magnetic permeability	1.02 (Approximate)
Elastic modulus (Modulus of Elasticity), Gpa (106 psi)	200 (29.0)
Thermal conductivity, W/m·K (Btu/ft · h ·°F)	14.2 (8.2) at 100 °C (212 °F)
	18.7 (10.8) at 500 °C (932 °F)
Coefficient of thermal expansion (CTE), 10-6/K (μin./in. ·°F)	15.9 (8.8) at 0-100 ℃ (32-212 °F)
	16.2 (9.0) at 0-315 ℃ (32-600 °F)
	17.0 (9.4) at 0-538 ℃ (32-1000 °F)