• Chicago: 800-323-0740
Precision Steel Warehouse, Inc.
Your Flat Rolled Steel Specialist

Low Carbon Sheet & Strip

Temper Rockwell
Full Hard 0.070 and thicker B 84 min.
Full Hard 0.069 and thinner B 90 min.
Half Hard Approx. R/B 70/85
Quarter Hard Approx. R/B 60/75
Soft Commercial Quality Approx. R/B 65 max
Drawing Quality Approx. R/B 55 max.

Strip Steel (Low Carbon Cold Rolled) - Temper Classifications.

Temper Rockwell Mean Tensile
No.1 Full Hard - 0.070 and thicker B 84 min. 80.000
No.1 Full Hard - 0.069 and thinner B 90 min. 80.000
No.2 Half hard B 70/85 64.000
No.3 Quarter Hard B 60/75 54.000
No.4 Skin Roller B 65 max. 48.000
No.5 Dead Soft B 55 max. N/A

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