Login Register

Class 4 Round Bar — Listings

All Class 4 Round Bar listings on M-EX.

All Class 4 Forms Alloy Steel
Grade Details
GradeClass 4
StandardIS 1875
DescriptionAlloy steel forging quality, Cr-Mo-V
ApplicationsPower generation forgings, rotors
Equivalent Grades
Grade Standard Region
30CrMoV9 DIN Germany
AISI 4130 SAE USA

Active Class 4 Round Bar Listings 1

Class 4 Round Bar
4.300 MT  ·  Closes 20 May 2026
View Listing
Related: All Round Bar grades · Alloy Steel
Industry Partner Steelmet Industries — Bright Bars | Alloy Steels | Special Steels | Structurals
Visit Website →