ASTM A193 B7 Steel

Capital Steel & Wire is a leading supplier of ASTM A193 grade B7 alloy steel. Our B7 steel is quenched and tempered and is available at a number of different distribution centers.

We carry ASTM A193 B7 steel in a variety of diameters and lengths, and we will work with you to customize your order to meet your specifications.

Capital Steel can also heat treat B7 steel bar to improve the mechanical properties to meet the demands of your end product. Other steel processing services are available including annealing, normalizing, and stress relieving. The following are the chemical and physical properties of ASTM A193 grade B7 steel.

ASTM A193 B7 Chemical Properties

Carbon 0.38-0.45
Manganese 0.75-1.00
Phosphorus, Max % 0.035
Sulfur, Max % 0.040
Silicon 0.15-0.35
Chromium 0.80-1.10
Molybdenum 0.15-0.25

ASTM A193 B7 Mechanical Properties (Annealed)

Tensile Strength 90,000-100,000 ksi
Yield Strength 60,000-70,000 ksi
Elongation in 2" 20-30%
Reduction of Area 50-60%
Brinelle Hardness 185-210

ASTM A193 B7 Mechanical Properties (Heat Treated)

Tensile Strength 130,000 ksi
Yield Strength 110,000 ksi
Elongation in 2" 16%
Reduction of Area 50%

Refer to our Hot Rolled Steel Inventory page for details about our current ASTM A193 B7 steel inventory and current prices. You can also use the "Request a Quote" contact form located on the right, or give us a call at (866) 773-7800 for more information.