German Designation

USA Designation

1.0420

GS-38

DIN 1681

Grade 60-30

ASTM A 27

1.0446

GS-45

DIN 1681

Grade 65-35

ASTM A 27

1.0552

GS-52

DIN 1681

Grade 70-36

ASTM A 27

1.0558

GS-60

DIN 1681

Grade 70-40

ASTM A 27