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Forged Carbon, Alloy & Tool Steel 

Forged Carbon, Alloy & Tool Steel for High Strength & Toughness

Forged carbon, alloy and tool steels are used for applications in just about every industry. 

Carbon Steel

Low-cost carbon steel grades are commonly used for applications that don’t require high strength or operate in high-temperature environments.  The hardenability of carbon steels is limited because only carbon is used for the purpose. 

Many grades of carbon steels are hardenable through heat treatment that includes quenching and tempering steps; however, the super high strength of stainless steels cannot be achieved with carbon steels.

Alloy Steel

Alloy steel makes use of additional alloying elements for increased hardenability and improved properties.  Manganese, chromium, nickel and molybdenum are some of the elements used for increased strength, toughness and wear resistance compared to carbon steel.  Other desirable characteristics such as corrosion resistance, strength at elevated temperature and creep resistance are also achieved through alloying element additions.

Tool Steel

Tool steel combines selected alloy steel and carbon steel grades and its high hardness and abrasion resistance characteristics make it ideal for cutting and machining various types of metals.  Major alloying elements in tool steel are chromium, molybdenum, vanadium and tungsten.  These carbide formers allow tool steel to resist deformation and maintain a sharp cutting edge at high temperatures.

Carbon, Alloy & Tool Steel Inventory

Scot Forge holds an inventory of various grades for customers to order for their carbon alloy and tool steel forging needs and specifications:

On-Hand Carbon, Alloy & Tool Steel


1010 1050 17 CrNiMo6 4320 9310 A182F12 MIL-S 23284CL1
1018 1055 2317 4330V 52100 A182F22 MIL-S 23284CL2
1020 1060 3310 4340 ABS Grade 2 A 182F91 NITRALLOY "N"
1021 1065 4130 4350 EX55 A336F1 NITRALLOY 135
1022 1070 4130API 4620 HY80 A336F22A D-2
1026 1080 4140 4820 HY100 A350LF2 H-13
1029 1117 4142 6150 A 105 A350LF3 L-6 
1030  1141 4145 8620 A182FI A508CL2  
1035  1146 4150 8622 A182F5 A508CL3  
1040 1541V 4150 RES. 8630  A182F9 A723GR2  
1045 15B22 43B17 8822 A182F11 A723GR3  

Forged Carbon, Alloy & Tool Steel Advantages

Low Carbon Steel

Low carbon steel has 0.05% to 0.25% carbon which allows the material to be ductile. Low carbon steel is a low-cost option for applications where high strength is not a consideration.

Medium Carbon Steel

Medium carbon steel has 0.29% to 0.54% carbon which contains a higher amount of manganese and allows the material to be quenched and tempered after forging.  These forgings offer higher strength and toughness than low carbon steels, yet avoid the higher costs associated with the highly alloyed stainless steels.

High and Very High Carbon Steel

High and very high carbon steel has 0.55% to 2.1% carbon which allows the material to achieve high hardness and resilience.

Carbon steel hardened by heat treatment has increased strength and toughness. Tool steels, containing higher amounts of carbon, are normally forged for the purpose of creating tools that can resist abrasion, fatigue and wear.

Benefits of Forged Carbon, Alloy & Tool Steel

  • A low-cost option for structural applications
  • Good balance between strength and ductility
  • Malleable
  • High strength and toughness
  • Strength at high and low temperatures
  • Good machinability
  • Wear-resistant
  • Corrosion-resistant in mild atmospheres

Quality Assurance

Scot Forge is proud to be ISO 9001:2015 and AS9100D certified, and our team is committed to providing outstanding customer satisfaction. Further pursuance of aerospace products has led to NADCAP accreditation in both Heat Treatment for carbon alloy & tool material and Nondestructive Testing. 

Every Scot Forge customer gets placed with a qualified team that will guide each carbon alloy & tool forging delivered from the inquiry stage to order placement, expediting and shipping.

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