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S2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S2

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ASTM S2

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This page is mainly introduced the S2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S2

Steel Garde:S2
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Relevant products:

X165CrMoV12 Cold...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
M3 Class2	ASTM	USA
S2-10-1-8	DIN	Germany
S2-9-2-8	DIN	Germany
S2-9-1	DIN	Germany
S2-9-2	DIN	Germany
SKS2	JIS	Japan
SKS21	JIS	Japan
SKS2M	JIS	Japan
BS2		UK
BS2		UK
BS2		UK
BS2		UK
BS2		UK
BS2		UK
HS2-9-1	AFNOR	France
HS2-9-1	AFNOR	France
HS2-9-2	AFNOR	France
HS2-9-2	AFNOR	France
HS2-9-1-8	AFNOR	France
HS2-9-1-8	AFNOR	France
TS2	AFNOR	France
TS2	AFNOR	France
TS2	AFNOR	France
TS2	AFNOR	France
TS25	AFNOR	France
TS25	AFNOR	France
S20	AFNOR	France
S20	AFNOR	France
S25	AFNOR	France
S25	AFNOR	France
S25	AFNOR	France
S25	AFNOR	France
CS20	SS	Sweden
CS20	SS	Sweden
S25M	SS	Sweden
S25M	SS	Sweden
STS2	KS	Korea
STS2	KS	Korea
STS21	KS	Korea
STS21	KS	Korea
410S21		UK
416S29		UK
431S29		UK
301S21		UK
309S24		UK
310S24		UK
309S20		UK
310S25		UK
314S25		UK
347S20	KS	UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	621～743	σb/MPa
Yield Strength	694	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	357～956	-
HRC	30	-

Physical Properties

Thermal expansion	60-99	e-6/K
Thermal conductivity	67-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3927-6823	째C
Density	4252-1687	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)
S2 Special Alloy	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