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8620H Hot Rolled SBQ Bar

Grade 8620H is a case hardening steel that retains strength, even at elevated temperatures. The “H” indicates the material meets hardenability according to ASTM A304. Eaton Steel Bar Company stocks many diameters of 8620H hot rolled steel bar available to meet the market demand.

8620H hot-rolled-steel-bar

Applications

8620H is commonly used for small gear parts exposed to low-medium stress. Typical applications for 8620H steel include gears, shafts, and more.

Shapes and Sizes

Eaton Steel Bar Company supplies 8620H steel bar in a variety of sizes ranging from 5½”- 8½”. Other sizes may be available, contact Eaton Steel for more information. The shapes available for this grade include:

  • Rounds

Standard "8620H Grade" Chemical Composition

Carbon 0.17-0.23
Manganese 0.60-0.95
Phosphorus (max) 0.035
Sulfur (max) 0.040
Silicon 0.15-0.35
Nickel 0.35-0.65
Chromium 0.35-0.65
Molybdenum 0.15-0.25

 

Estimated Mechanical Property Ranges for "Grade 8620H"

Tensile strength (psi) 80,000 - 90,000
Yield strength (psi) 55,000 - 65,000
Elongation in 2” (%) 22 - 32
Reduction of area (%) 40 - 50
Brinell Hardness (BHN) 160 - 190