Prec Hardening Stainless Steels - Mechanical Properties

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European Designation
EN 10088-2 1995		 American Iron and
Steel Institute grade
nearest fit		 Mechanical properties at room temperature
in the cold rolled, heat treated condition
*AT = solution annealed *P = precipitation hardened
Number .Name AISI Heat treatment condition
*(AT or P)		 0.2% Proof strength Rp
with gauge length
80mmN/mm2
minimum transverse		 Tensile strength Rm N/mm2 Elongation A80
(long+tr) % Minimum
80mm gauge length
thickness < 3.0mm
1.4568 X7 Cr Ni Al 17-7 631 AT
P		 -
1310 min		 1030 max
1450 min		 19
2
1.4532 X8 Cr Ni Mo Al 15-7-2 632 AT
P		 -
1380 min		 1100 max
1550 min		 20
2