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L 70 H 2 GNM

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Poland PN L70H2GNM Tool cast steel -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L70H2GNM / L 70 H 2 GNM
Category Grade Standard Region/Area Standard Content
Metals L 70 H 2 GNM PN H83161 Poland Tool cast steel -- Grades

Chemical composition(mass fraction)(wt.%) of the L 70 H 2 GNM

Element Min Max Similar
Si 0.4000 0.6000 -
S - 0.0450 -
P - 0.0450 -
Ni 0.6000 0.8000 -
Mo 0.3000 0.4000 -
Mn 0.8000 1.0000 -
Cr 1.6000 1.8000 -
C 0.6000 0.8000 -

Mechanical Properties of steel grade L 70 H 2 GNM

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
675 (≥) 758 (≥) 44 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade L 70 H 2 GNM

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
42 - -     0.11 -  
893 334 - 31.3 313   -  
536 - 33 11.2   111 111

Heat Treatment of steel grade L 70 H 2 GNM

Heat treated : 1499°C - 1977°C

Technological Curves of steel grade L 70 H 2 GNM

Cross Reference Table (Equivalent Grade) of L 70 H 2 GNM

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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