Manufacturer Deformation Micro Processing Forging 1 7225 Steel Round Bar - China

1.7225 steel has high strength, hardenability, good toughness, small deformation during quenching, and high creep strength and lasting strength at high temperature.

It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are heavily loaded, and can also be used for Drill pipe joints and fishing tools for oil wells below 2000m.

1.

Alloy structural steel is referred to as combined steel, 42CrMoA is one of the combined steels, the implementation standard: GB/T3077-1999 - Unified digital code A30422; grade 42CrMoA.

Chemical composition (%): C: 0.38~0.45, Si: 0.17~0.37, Mn: 0.50~0.80, Cr: 0.90~1.20, Mo: 0.15~0.25; the gross size of the sample is 25mm.

Heat treatment process: quenching 850°; coolant: oil; tempering temperature 560°; coolant: water, oil.

Mechanical properties: tensile strength MPa1080, yield point MPa930, elongation %12, section shrinkage %45, impact absorption energy Ak63, steel annealed or high temperature tempering supply state Brinell hardness GBW≤217.

Uses: used as forgings with higher strength or larger section than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, engine cylinders, 1200~2000m deep oil well drill pipe joints and fishing tools, etc.

It can replace quenched and tempered steel with higher nickel content.

Comparison of domestic and foreign brands: China 42CrMo; America 4140; Japan SCM440; Germany 42CrMo4

Die steel composition 20MV6

The domestic grade is 20MnV, alloy steel, The other is 4140, a low alloy steel, All models are imported from Germany 2.

1.7725 main specifications:

1.7725 round bar, 1.7725 rolled bar, 1.7725 cold drawn bar, 1.7725 forged bar, 1.7725 plate, 1.7725 flat steel, 1.7725 forged piece, 1.7725 forged ring, 1.7725 processed piece, 1.7725 tube, 1.7725 forged cake 3 - Our company Dongguan Songshun Mould Steel Co., Ltd. specializes in the production of alloy steel for more than 10 years, mainly producing various alloy steel products, if you need more price, cooperation or quality information, please notify us Songshun Tiktok: mikizhuo

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• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

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