4140 heat treated alloy round bar at Key Metals. Stock sizes available or cut to size & fast shipping! Also in flat, plate, and precision ground flat stock.

We stock AISI 4140 and AISI 4150 steel in rounds, squares, and flats. All material is provided in a hot roll finish. Call or Email Us For a Free Quote. Material is quench & tempered, stress relieved and machine straightened.

4140 Hot Rolled Heat Treated Steel Alro stocks 4140 HR HT -a steel in the family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE).

4140 prehard alloy steel plate and flat bar at Key Metals. Stock sizes available or cut to size & fast shipping! Also in round and precision ground flat stock.

Alloy steel round bar heat treated and tested to meet ASTM A182 and A182M grade F22. Chromium and molybdenum increase the corrosion resistance to cracking from hydrogen and hot sulfides. Used for applications in high temperature service as well as critical service applications.

Algoma Steel’s heat-treated plates are engineered for industries requiring high strength, toughness, and wear resistance, such as construction, mining, military, and heavy equipment manufacturing. Produced in the Plate Mill with multiple heat treatment options, these plates meet critical specifications for demanding applications.

Buy Heat Treated Hot Rolled 4140 Alloy Round from Speedy Metals, America's favorite online metal store with unsurpassed service, highest quality and best selection.

4140 Hot Rolled Heat Treated Round Bar Sizes through 7'' comply with ASTM-A193-B7, ASME SA193 Class B7 and/or MIL-S-1222(B7). Sizes over 7'' through 9'' conform to ASTM A434 Class BC.

4140 Heat Treated Decarb Free Steel Alro stocks 4140 HT DCF -a steel in the family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE).

We offer a variety of services for heat treated 4140 steel plate including plate cutting, annealing, grinding, machining & milling and fabricating.