Germany · DIN

2.4375

DIN 17743:1983 — Wrought nickel alloys with copper - Chemical composition

Chemical composition

Element	min	max	Similar	Remarks
Al	2.2	3.5
C		0.2
Cu	27	34
Fe	0.5	2
Mn		1.5
Ni	63		Co < 1% included	Co < 1% included
S		0.015
Si		0.5
Ti	0.3	1

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
Drop forgings, F 62, A = 20 000 mm^2	≥270	≥620	≥25			HB ≤180
F 88, A = 20 000 mm^2	≥590	≥880	≥12			HB ≤260
bars, steel bars, F 62, >= 30 <= 160 mm	≤270	≤620	≤25
bars, steel bars, F 88, >= 30 <= 160 mm	≤590	≤880	≤15
bars, HB						钢棒 F 62 >= 30 <= 160 mm 180