International Equivalents

Listed below are some common international equivalent steel grade designations.

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UK  Euronorm Germany  USA
BS1449 EN 10132-4 DIN17222 SAE
CS50 C50E CK45 / CK50 1050
CS70 C67S CK67/C67 1070
CS70 C75S CK75/C75 1074
75Cr1 75Cr1
CS80 C85S CK85 1084
735A50 50CrV4 50CV4 6150
CS95 CK101 1095
CS1 DC04 DAE1006
CS4 DC01 St2 SAE 1010
CS12 DC04 St4 SAE 1006
CS40 C40E CK40/C40 SAE 1040
CS50 C50E CK40/C45 SAE1049
CS30CS20 / CS17 C15
CS12 C10E CK10/C10