1.2738 - Tool Steels & Die Steels and Cemented Carbide - Specific Steel

e.g.17-4PH, PH13-8Mo, 422

1.2738 Tool Die Steels to DIN EN ISO 4957 (1999)

1.2738 - Specification & Application

DIN EN ISO 4957 (1999) - Tool steels (ISO 4957:1999)

Alloyed CrMnNiMo steel

Chemical composition(wt.%) of 1.2738 grade: to DIN EN ISO 4957 (1999)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.35	0.45
Si	0.20	0.40
Mn	1.30	1.60
P	-	0.035
S	-	0.035
Cr	1.80	2.10
Mo	0.15	0.25
V	-	-
Ni	0.90	1.20

1.2738 - Detail

Alloyed CrMnNiMo steel

Mechanical properties of grade 1.2738 DIN EN ISO 4957 (1999)

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)
935 (≥)	122 (≥)	34	14	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical properties of grade 1.2738 DIN EN ISO 4957 (1999)

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	Expansion rate
447 (≥)	126 (≥)	24	11	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	443
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
314	531	645

Equivalent Grade

1 1.2738

Equivalent Products

Product shapes we supply:

We can customize the production of 1.2738 grade, contact us for the best solution.
–sales@specificsteel.com