304 Stainless Steel Sheet

304 stainless steel is a common material in stainless steel with a density of 7.93 g / cm³, also known as 18/8 stainless steel. High temperature resistance of 800 ℃, with good processing performance and high toughness, widely used in industry and furniture decoration industry and food and medical industry.

304 Stainless Steel Physical Properties

σb (MPa)	≥515-1035
σ0.2 (MPa)	≥205
δ5 (%)	≥40
ψ (%)	≥60
Hardness	≤201HBW;≤92HRB;≤210HV
Density (20 ℃, g / cm3)	7.93
Melting point (℃)	1398-1454
Thermal conductivity (w · M-1 · k-1)	(100 ℃) 16.3, (500 ℃) 21.5
Linear expansion coefficient(10-6 · k-1)	(0-100 ℃) 17.2, (0-500 ℃) 18.4
Resistivity (20 ℃, 10-6 Ω· m2 / M)	0.73
Longitudinal modulus of elasticity (20 ℃, kn / mm2)	193

Chemical composition of 304 stainless steel

Standard	C	Mn	P	S	Si	Cr	Ni	N	Cu
ASTM A276/A276M-15	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A959-11	0.07	2.00	0.045	0.030	1.00	17.5-19.5	8.0-11.0
ASTM A240/A240M-15a	0.07	2.00	0.045	0.030	0.75	17.5-19.5	8.0-10.5
ASTM A182/A182M-15	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0	0.10
ASTM A193/A193M-15	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A269/A269M-15	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A312/A312M-15a	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A320/A320M-15a	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A403/A403M-15	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
ASTM A493-09(2013)	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-10.5	0.10	1.00
ASTM A554-15a (MT-304)	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0
JIS G4303:2012	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-10.5
JIS G4304:2012	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-10.5
JIS G4305:2012	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-10.5
GB/T 20878-2007	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0

Difference between 304, 304H and 304L

The carbon content of 304H is limited to 0.04-0.10%.
The carbon content of 304L is limited to a maximum of 0.03%.
The carbon content of 304 is limited to a maximum of 0.08%.

Advantages of 304 stainless steel

1.High strength
2.Excellent formability and weldability
3.Excellent low temperature performance
3.Strong response to cold work hardening
4.High corrosion resistance

Scope of application

304 stainless steel has good corrosion resistance, heat resistance, good processing performance and weldability, and is suitable for food processing, storage and transportation. Such as: tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs, auto parts, medical appliances, building materials, chemicals, food industry, agriculture, ship parts, etc.