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Pyromet 31V chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Pyromet 31V

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UNS Pyromet 31V

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This page is mainly introduced the Pyromet 31V chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Pyromet 31V,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Engine poppet valve information report

Steel Garde:Pyromet 31V
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 775 (2004) Engine poppet valve information report
Metallographic Structure:Precipitation-Hardening
Application:Engine poppet valve information report

ITEM	Standard Number	Descriptions
1	SAE J 775 (2004)	Engine poppet valve information report

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Pyromet 31	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.03	0.06
Si		0.20
Mn		0.20
Cr	22.00	23.00
Ni	55.00	58.00
Mo	1.70	2.30
Co
W
Al	1.00	1.70
Cu	0.60	1.20
Ti	2.10	2.60
Fe		remaining
B	0.003	0.007
P		0.015
S		0.015

Mechanical Properties

Tensile strength	216～697	σb/MPa
Yield Strength	820	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	194～753	-
HRC	30	-

Physical Properties

Thermal expansion	06-96	e-6/K
Thermal conductivity	90-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6491-3227	째C
Density	8869-3402	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)
Pyromet 31V 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