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A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2

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ASTM A2

Catalog

A2 Profile
A2 Chemical composition
A2 Mechanical Properties
A2 Physical Properties
A2 Heat treatment
A2 Size Availability
A2 Relevant products

Profile

This page is mainly introduced the A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold-Work Tool Steel

Steel Garde:A2
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:Cold-Work Tool Steel

Relevant products:

1.4980/A286/660/1.2779

ASTM A269 TP304...

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.05
Si	0.10	0.50
Mn	0.40	1.00
P		0.030
S		0.030
Cr	4.75	5.50
Mo	0.90	1.40
V	0.15	0.50
W
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	496～007	σb/MPa
Yield Strength	862	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	036～174	-
HRC	30	-

Physical Properties

Thermal expansion	69-24	e-6/K
Thermal conductivity	97-56	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2934-7306	째C
Density	7132-5781	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)
A2 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