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ClassA,B,C(V) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ClassA,B,C(V)

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GBT ClassA,B,C(V)

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

Steel Garde:ClassA,B,C(V)
Type:Special Alloy
Country:China
Standard:GBT
Application:

Relevant products:

SKD-11 Cold working die steel

X165CrMoV12 Cold...

17-4ph steel wire

A387 F5 / Grade 5 Coil / Sheet

D2 Round Bar

P20 tool steel round bar

D3 tool steel round bar/plate

T30402/X155CrVMo12...

1.4980 Round Bar

DT413 / 4Cr5MoSiV1MOD

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ClassA,B,C	AISI	USA
ClassA,B,C(Mn-Mo)	AISI	USA
Vanadis 4	AISI	USA
1.2714	DIN	Germany
у7,у7A	ГОСТ	Russia
у8,у8A,у8ΓΑ	ГОСТ	Russia
у8,у8A,у8ΓΑ	ГОСТ	Russia
у9,у9A	ГОСТ	Russia
у9,у9A	ГОСТ	Russia
у10,у10A	ГОСТ	Russia
у10,у10A	ГОСТ	Russia
у11,у11A	ГОСТ	Russia
у11,у11A	ГОСТ	Russia
у12,у12A,y13,у13A	EN	Russia
у12,у12A,y13,у13A	EN	Russia
у12,у12A,y13,у13A		Russia
у12,у12A,y13,у13A		Russia
Q215 B		China
Q255 B		China
BW1A		UK
BW1B		UK
BW1C		UK
BW1C		UK
BW2(1)		UK
BW2(1)		UK
BW2		UK
BW2		UK
BS1		UK
BS1		UK
BS2		UK
BS2		UK
BS2		UK
BS2		UK
BS5		UK
BS5		UK
BO1		UK
BO1		UK
BO2		UK
BO2		UK
BA2		UK
BA2		UK
BA2		UK
BA2		UK
BA2		UK
BA2		UK
BA6		UK
BA6		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	491～663	σb/MPa
Yield Strength	913	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	743～703	-
HRC	30	-

Physical Properties

Thermal expansion	78-98	e-6/K
Thermal conductivity	71-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3812-4000	째C
Density	2333-9718	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)
ClassA,B,C(V) 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