Carbon

0.28/0.33

Manganese

0.40/0.60

Phosphorus

0.025 Max.

Sulfur

0.025 Max.

Silicon

0.15/0.35

Chromium

0.80/1.10

Molybdenum

0.15/0.25

Nickel

0.25 Max.

Copper

0.35 Max.