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Alloy Steel

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Qilu’s materials processing guidelines are designed to help customers with plate processing operations such as cutting, bending, welding, machining and heat treatment. Based on the results from extensive testing performed by our dedicated Research & Development Centre, the guidelines cover a wide range of industrial conditions and represent to the best of our knowledge, current practices in the industry.

Related models of alloy steel

Our alloy structural steel products include the following models：

42CrMo4/1.7225/4140/SCM440/EN19

EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels EN…
4140 alloy steel

AISI 4140 steel is a low alloy medium carbon steel that contains chromium, molybdenum, and…
16MnCr5/1.7131

16MnCr5 steel are alloyed case hardening engineering steels for parts which require core tensile strength…
20MnCr5/1.7147

20MnCr5 steel (1.7147 material) is an European standard carburized steel (case hardening steel) with high strength…
817M40

817M40 is a high tensile alloy steel, usually supplied in the heat treated T condition,…
4130/1.7218/25CrMo4/SCM430

AISI/SAE 4130 steel grade is a versatile alloy with good atmospheric corrosion resistance and reasonable…
4340/36CrNiMo4/1.6511/SNCM439/EN24/817M40

4340 steel is an ultra-high strength medium carbon low alloy steel, which combines deep hardenability,…
34CrNiMo6/1.6582

EN 10277-5: 2008 Bright steel products. Technical delivery conditions. Steels for quenching and tempering EN…
36CrNiMo4/1.6511/SNCM439/EN24

EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels EN…
30CrNiMo8/1.6580

EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels EN…
18CrNiMo7-6/17CrNiMo6/1.6587

18CrNiMo7-6 steel , which is known for its toughness and capability of developing high strength in…
8620/1.6523/20CrNiMoA/SNCM220

8620 carbon steel can also be used as high tensile steel (uncarburized), which can be…
18CrMo4/1.7243

Reference standard: EN 10084: 2008 Case hardening steels. Technical delivery conditions EN 10263-3: 2001 Steel…
25CrMo4/1.7218/SCM430

EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels EN…
17CrNiMo6/1.6587

17CrNiMo6 Steel is is a heat treatable, low alloy steel containing nickel, chromium and molybdenum as per…
31CrMoV9/1.8519

31CrMoV9 is a nitriding steel which has at least 2.3%Cr,0.15%Mo,0.1%V as strengthening alloy elements. Due to its…