Quote
Grade
Tensile Strength (M PA) (KSI)
Yield Strength (M PA) (KSI)
Elongation (%)
Impact Energy* (J) (ft-lbs)
Typical Hardness Bhn (B.I.D)
1 860 125 550 80 10 105 75 269-321
3.4-3.7
2 1035 150 690 100 7 90 65
3 1200 175 830 120 4 60 45 363-444
2.9-3.2
4 1310 190 965 140 1 40 30 388-477
2.8-3.1
5 1420 210 1105 160 418-521
2.7-3.0
6 1585 230 1240 180 444-555
2.6-2.9
*Tested at 22ºC ± 7ºC