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HFM304 S51 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HFM304 S51

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B.S. HFM304 S51

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This page is mainly introduced the HFM304 S51 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HFM304 S51,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Steel Garde:HFM304 S51
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

ITEM	Standard Number	Descriptions
1	BS 3605-1	Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
304S51	B.S.	UK
HFS 304S51	B.S.	UK
CFS 304S51	B.S.	UK
HFM 304S51	B.S.	UK
304 S51	B.S.	UK
HFS304 S51	B.S.	UK
CFS304 S51	B.S.	UK
304S 51	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si		1.00
Mn		2.00
P		0.045
S		0.025
Cr	17.00	19.00
Mo
Ni	8.00	11.00

Mechanical Properties

Tensile strength	936～719	σb/MPa
Yield Strength	838	σ 0.2 ≥/MPa
Elongation	42	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	695～265	-
HRC	30	-

Physical Properties

Thermal expansion	85-13	e-6/K
Thermal conductivity	59-60	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9111-4625	째C
Density	4981-1899	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)
HFM304 S51 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