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349S52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 349S52

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B.S. 349S52

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This page is mainly introduced the 349S52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 349S52,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for wrought steels for mechanical and allied engineering purposes. Valve steels

Steel Garde:349S52
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS 970-4 Specification for wrought steels for mechanical and allied engineering purposes. Valve steels
Application:Specification for wrought steels for mechanical and allied engineering purposes. Valve steels

ITEM	Standard Number	Descriptions
1	BS 970-4	Specification for wrought steels for mechanical and allied engineering purposes. Valve steels

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.48	0.58
Si		0.25
Mn	8.00	10.00
P		0.040
S		0.030
Cr	20.00	22.00
Ni	3.25	4.50
Mo
N	0.38	0.50
C+N	0.90

Mechanical Properties

Tensile strength	369～991	σb/MPa
Yield Strength	231	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	635～660	-
HRC	30	-

Physical Properties

Thermal expansion	24-53	e-6/K
Thermal conductivity	27-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5328-8748	째C
Density	3170-7430	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)
349S52 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