Stainless Steel

ID #1028

SAE AISI 4130 Alloy steel

(submitted by the website administration)

SAE 4130
Chemical composition: C=0.30%, Mn=0.5%, Mo=0.20%, Cr=1.0%
Property	Value in metric unit		Value in US unit
Density	7.872 *10³	kg/m³	491.4	lb/ft³
Modulus of elasticity	205	GPa	29700	ksi
Thermal expansion (20 ºC)	11.2*10^-6	ºCˉ¹	6.20*10^-6	in/(in* ºF)
Specific heat capacity	477	J/(kg*K)	0.114	BTU/(lb*ºF)
Thermal conductivity	42.7	W/(m*K)	296	BTUin/(hrft²*ºF)
Electric resistivity	2.23*10^-7	Ohm*m	2.23*10^-5	Ohm*cm
Tensile strength (annealed)	561	MPa	81300	psi
Yield strength (annealed)	361	MPa	52300	psi
Elongation (annealed)	28	%	28	%
Hardness (annealed)	82	RB	82	RB
Tensile strength (normalized)	669	MPa	97000	psi
Yield strength (normalized)	436	MPa	63300	psi
Elongation (normalized)	25	%	25	%
Hardness (normalized)	93	RB	93	RB