Viking Iron Works, stocks and forges many grades of alloy steels like 4130, 4340, 4140, and 8620 in standard and higher quality melts such as AQ aircraft quality and VAR vacuum arc remelt. Viking forges seamless rings & sleeves, bars , shafts, blocks, discs, upset head and hub forgings, in any of the alloy material grades listed in our materials list. If you have a requirement for forgings not listed in our material list contact us and we would be glad to have the opportunity to review and quote your forging requirements.
| 4130 | 4130AQ |
| 4140 | 4140AQ |
| 4150 | 4150RS |
| 4320 | 4320AQ |
| 4340 | 4340AQ |
| 4340VAR | 8620 |
| 8620AQ | 8620VAR |
| 300M |
(UNS G41300) Medium carbon, chromium-molybdenum steel. Has good hardenability, strength, wear resistance, and ductility.
More Info(UNS G41300) 4130 AQ (Aircraft Quality) Medium carbon, chromium-molybdenum steel. Has good hardenability, strength, wear resistance, and ductility.
More Info(UNS G41400) Medium carbon alloy steel with high hardenability, good fatigue strength and impact resistance.
More Info(UNS G41400) Aircraft Quality Medium carbon alloy steel with high hardenability, good fatigue strength and impact resistance.
More Info4150 RS(Resulphurized) A medium carbon chromium-molybdenum alloy steel with modified chemistry for improved machinability and increased hardenability.
More Info(UNS G43200) Alloy steel with high toughness and strength with a low carbon content which yields good welding characteristics. Is machined well in the annealed condition.
More Info(UNS G43200) 4320AQ (Aircraft Quality) Alloy steel with high toughness and strength with a low carbon content which yields good welding characteristics. Is machined well in the annealed condition.
More Info(UNS G43400) Low alloy nickel-chromium-molybdenum steel with excellent hardenability. Quench and tempering heat treatments yield good combinations of strength and toughness.
More Info(UNS G43400) Low alloy nickel-chromium-molybdenum steel with excellent hardenability. Quench and tempering heat treatments yield good combinations of strength and toughness.(Aircraft Quality steel)
More Info(UNS G43400) Low alloy, nickel-chromium-molybdenum steel capable of being heat treated to high strength levels. Has good combination of ductility, toughness and strength along with high hardenability. 4340VAR is produced by the consumable electrode vacuum arc remelting process.
More Info(UNS G86200) A nickel-chromium-molybdenum alloy steel. Used for medium strength applications.
More Info(UNS G86200) 8620 AQ (Aircraft Quality) A nickel-chromium-molybdenum alloy steel. Used for medium strength applications.
More Info(UNS G86200) 8620 VAR (Vacuum Arc Remelted) A nickel-chromium-molybdenum alloy steel. Used for medium strength applications.
More Info(UNS K44220) Modified 4340 steel with added silicon allowing for use of a higher tempering temperature. Has high hardnenability and strength with good ductility and toughness in heavy sections. Used in the 270,000 psi to 300,000 psi tensile strength range.
More Info