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W112 Extra chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W112 Extra

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SAE W112 Extra

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This page is mainly introduced the W112 Extra chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of W112 Extra,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Tool and die steels

Steel Garde:W112 Extra
Type:Tool Die Steels
Country:USA
Standard:SAE

Standard Number:

ITEM	Standard Number	Descriptions
1	SAE J 437 (1970)	Selection and heat treatment of tool and die steels
2	SAE J 438 (1970)	Tool and die steels

Application:Tool and die steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
W112 Commerial	SAE	USA
W112 Standard	SAE	USA
W112 Special	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.10	1.30
Si	0.10	0.40
Mn	0.10	0.40
Cr
V

Mechanical Properties

Tensile strength	376～396	σb/MPa
Yield Strength	688	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	841～324	-
HRC	30	-

Physical Properties

Thermal expansion	46-60	e-6/K
Thermal conductivity	96-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7603-5462	째C
Density	2500-2527	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)
W112 Extra Tool Die 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