Alloy Steel

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METAL GRADE BAR STOCK TUBING PIPE GRATING PLATE SHEET STRUCTURAL EXPANDED METAL OTHER
Alloy Steel 4140 Annealed DCF x x x
Alloy Steel 4140 CF Annealed x x x x
Alloy Steel 4140 CF QT SR x
Alloy Steel 4140 HR Annealed x x x
Alloy Steel 4140 HR Q&T x
Alloy Steel 4140 HT DCF x
Alloy Steel 4140 Q&T TG&P x x
Alloy Steel 4150 Dybar x x
Alloy Steel 4150 HR Annealed x x
Alloy Steel 4150 HR Q&T x
Alloy Steel 41L40 CF Annealed x
Alloy Steel 4340 CF AQ x
Alloy Steel 4340 HR Annealed AQ x
Alloy Steel 4340 HR Annealed CQ x
Alloy Steel 4340 HR Q&T x
Alloy Steel 52100 x
Alloy Steel 6150 DCF Annealed x x
Alloy Steel 6150 HR Annealed x
Alloy Steel 8620 CF x
Alloy Steel 8620 HR x x x
Alloy Steel 86L20 CF x
Alloy Steel ETD 150 CF x
Alloy Steel Threaded Rod x

Alloy¬†steel¬†contains a range or minimum amount of elements such as nickel, molybdenum, chromium, vanadium, etc. and is specified by adding these elements to obtain an alloying effect. Alloy steel bars and plates are generally given some type of appropriate thermal processing such as annealing or quench and tempering. The addition of alloying elements increases the alloy bar’s or plate’s hardenability (note: alloying elements do not make the metal harder just by their existence in metal, but rather increase the depth to which the alloy bar or alloy plate can be hardened by appropriate heat treatment). The proper alloy can also provide improved fatigue strength in addition to increased wear and toughness. Alloy metals have the potential to achieve superior combinations of properties not attainable with other metals.

Charity Steel stocks alloy bars as Cold Drawn or Hot Rolled. They are typically annealed or heat treated, quenched and tempered. Heat treating attains required mechanical properties, typically at the expense of machinability. Heat treated bars are often stress relieved. Alloy has the ability to increase hardenability through heat treating. This makes it possible to obtain desired mechanical properties in larger sections. Some of the grades that Charity Steel stocks include 4140, 4150, 4340, 52100, 6150, 86L20, 8620, and ETD 150.