D2Application:Alloy tool steel
Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	D2	ASTM	USA

Chemical composition%of the ladle analysis of gradeD2

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Mo(％)	V(%)
1.40～1.60	0.10～0.60	0.20～0.60	≤0.030	≤0.030	11.0～13.0	0.70～1.20	0.50～1.10

Mechanical properties of gradeD2
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
749(≥)	357(≥)	32	14	12	Solution and Aging,Annealing,Ausaging,Q+T,etc	442

Physical properties of gradeD2
Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
214(≥)	977(≥)	11	11	42	Solution and Aging,Annealing,Ausaging,Q+T,etc	442
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
548	213	323

D2Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	Forging,hot rolling and cold rolling	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar	Round Bar,Flat Bar,Square Bar	Φ8-1200mm*L	Forging,hot rolling and cold rolling,Cast	Black,Rough Turning,Shot Blasting,
Coil/Strip	Steel Coil/Steel Strip	0.03-16.0x1200mm	Cold-Rolled&Hot-Rolled	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes	Seamless Pipes/Tubes,Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion,Cold Drawn,Welded	Annealed,Solution and Aging,Q+T,ACID-WASHED

Cross Reference Table(Equivalent Grade)
Grade	Standard	Country	Application
Z2CND25-22Az	ASTM	USA	Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z3CMD22-05-04Az	ASTM	USA	Stainless steels for general purposes. Plates, wide strips and strips
Z3CND22-05Az	ASTM	USA	Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery
Z3CND25-06Az	ASTM	USA	Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery
Z3CND25-07Az	ASTM	USA	Medico-surgical equipment - Materials for ancillary positioning instruments for surgical instrument - Martensitic, precipitation hardening, austenitic and austeno-ferritic stainless steels
Z3CMND22-05-04Az	ASTM	USA	Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z4CND22-16-03Az	ASTM	USA	Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod
Z5CND27-05Az	ASTM	USA	Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod
D2	ASTM	USA	Cold-Work Tool Steel
A 681 D2	ASTM	USA	Cold working die steel