Grades according to Standards, Fully Processed
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Grades according to Standards, Fully Processed

Nominal thickness
mm(inch)
Grade acc. to
DIN EN 10106 1996
 Grade acc. to
IEC 60404-8 -4 1988
Grade acc. to
JIC C 2552    1986
Grade acc. to
ASTM A 677 M 1989
Grade acc. to
ASTM A 677  1989
 Grade acc. to
former AISI designation
0,35               (0.014) M 235 – 35 A 35-A – 230
M 250 – 35 A 250-35-A5 35-A – 250 36F 320M 36F 145 M-15
M 270 – 35 A 270-35-A5 35-A – 270 36F 348M 36F 158 M-19
M 300 – 35 A 300-35-A5 35-A – 300 36F 370M/397M 36F 168/180 M-22/M27
M 330 – 35 A 330-35-A5 36F 419M 36F 190 M 36
0,50                   (0.020) M 250 – 50 A
M 270 – 50 A 270-50-A 5 50-A – 270 47F 370M 47F 168 M-15
M 290 – 50 A 290-50-A 5 50-A – 290 47F 384M 47F 174 M-19
M 310 – 50 A 310-50-A 5 50-A – 310 47F 408M/419M 47F 185/190 M-22/M27
M 330 -50 A 330-50-A 5 50-A – 330 47F 452M 47F 205 M-36
M 350 – 50 A 350-50-A 5 50-A – 350 47F 507M 47F 230 M-43
M 400 – 50 A 400-50-A 5 50-A – 400 47F 672M 47F 305 M-45
M 530 – 50 A 530-50-A 5
M 600 – 50 A 600-50-A 5 50-A- 600 47F 882M 47F 400 M-47
M 700 – 50 A 700-50-A 5 50-A – 700 47F 992M 47F 450
M 800 – 50 A 800-50-A 5 50-A – 800
M 940 – 50 A 50-A-1000
0,65                (0.026) M 310 -65 A
M 330 -65 A
M 350 – 65 A 350-65-A 5 64F 459M/480M 64F 208/218 M-19/M-22
M 400 – 65 A 400-65-A 5 64F 459M/529M 64F 225/240 M-27/M-36
M 470 – 65 A 470-65-A 5 64F 595M 64F 270 M-43
M 530 – 65 A 530-65-A 5 64F 705M 64F 370
M 600 – 50 A 600-65-A 5 64F 792M 64F 360 M-45
M 700 -65 A 700-65-A 5 64F 882 64F 400
M 800 – 65 A 800-65-A 5 65-A – 800 64F 1078M 64F 490 M-47
1000-65-A 5 65-A – 1000
1,00                (0.039) M 600-100 A
M 700-100 A
M 800-100 A
M 1000-100 A
M 1300-100 A

Reference: TKES