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304S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304S

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YB 304S

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This page is mainly introduced the 304S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 304S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel and heat resistant steel

Steel Garde:304S
Type:Stainless Steels
Country:USA
Standard:YB
Metallographic Structure:Austenite
Application:Stainless steel and heat resistant steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
304S11	B.S.	UK
304S11-E	B.S.	UK
304S11-LT	B.S.	UK
CFS 304S11	B.S.	UK
HFM 304S11	B.S.	UK
LW 304S11	B.S.	UK
LWCF 304S11	B.S.	UK
LWHT 304S11	B.S.	UK
304S15	B.S.	UK
304S31	B.S.	UK
HFS 304S31	B.S.	UK
LW 304S31	B.S.	UK
304S16	B.S.	UK
304S51	B.S.	UK
HFS 304S51	B.S.	UK
CFS 304S51	B.S.	UK
HFM 304S51	B.S.	UK
304 S11	B.S.	UK
304 S11E	B.S.	UK
304 S11LT	B.S.	UK
CFS304 S11	B.S.	UK
HFM304 S11	B.S.	UK
HFS304 S11	B.S.	UK
LW304 S11	B.S.	UK
LWCF304 S11	B.S.	UK
LWHT304 S11	B.S.	UK
304 S31	B.S.	UK
HFS304 S31	B.S.	UK
LW304 S31	B.S.	UK
304 S51	B.S.	UK
HFS304 S51	B.S.	UK
CFS304 S51	B.S.	UK
HFM304 S51	B.S.	UK
304S61	B.S.	UK
304S71	B.S.	UK
LW14	B.S.	UK
LWCF14	B.S.	UK
LW15	B.S.	UK
LWCF15	B.S.	UK
LW20	B.S.	UK
LWCF20	B.S.	UK
LW21	B.S.	UK
LWCF21	B.S.	UK
304S 51	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.01
Si		1.00
Mn		2.00
P		0.25
S		0.20
Cr	17.00	19.00
Ni	8.00	10.00

Mechanical Properties

Tensile strength	688～778	σb/MPa
Yield Strength	840	σ 0.2 ≥/MPa
Elongation	37	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	147～780	-
HRC	30	-

Physical Properties

Thermal expansion	45-80	e-6/K
Thermal conductivity	54-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8635-1218	째C
Density	7562-2582	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
304S Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk