Tag

alloy steel

alloy steel tagged blog posts

4130 vs 4140 Steel: Which Chromoly Alloy Should You Choose?

We compare 4130 (25CrMo4) and 4140 (42CrMo4) chrome-molybdenum steels by carbon content, hardenability, weldability and application — which grade should you pick, and when?

July 12, 20264 min read

41304140chromoly steel

Comparison of 4140 and 4340 alloy steel parts

ProductsComparison

4140 vs 4340 Steel: The Nickel Difference and How to Choose

We compare 4140 (42CrMo4) and 4340 (34CrNiMo6) by nickel content, hardenability, toughness and cost — the economical workhorse or the premium steel for critical parts?

July 12, 20264 min read

4140434034CrNiMo6