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Huangshi Chengquan Metal Material Co., Ltd.

Gear Steel, Gear Alloy Steel, DIN1.6523 Gear Alloy Steel manufacturer / supplier in China, offering DIN1.6523 20nicrmo2-2 Sncm220 8620 Gear Steel, SUS444 Steel Sheet with High Quality and Competitive Price, 1.2825 Round Tool Steel Bar and so on.

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Supplier Homepage Product Structual Steel High Tensile Steel DIN1.6523 20nicrmo2-2 Sncm220 8620 Gear Steel

DIN1.6523 20nicrmo2-2 Sncm220 8620 Gear Steel

FOB Price: US $500-5,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $500-5,000/ Ton
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Port: Shanghai, China
Production Capacity: 500tons Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DIN1.6523, 20NiCrMo2-2, SNCM220, 8620
  • Composition: Ferrous Steel Scrap
  • Shape: C Channel
  • Special Use: Wear Resistant Steel
  • Size Range: 10-420mm
  • Steel-Making Condition: Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
  • Surface Condition: Black, Grinded, Peeled, Rough Turned, Polished
  • Transport Package: Seaworthy Packing
  • Origin: Huangshi, China
  • Type: Alloy Steel Bar
  • Technique: Hot Rolled
  • Surface Treatment: Black, Grinded, Peeled, Rough Turned, Polished
  • Application: Tool Steel Bar
  • MOQ: 1t
  • Delivery Condition: Annealed, Quenched + Tempered
  • Trademark: Chengquan
  • Specification: DIN1.6523, 20NiCrMo2-2, SNCM220, 862
  • HS Code: 7228600000
Product Description
DIN1.6523 20NiCrMo2-2 SNCM220 8620 Gear Steel

Similar Grade: DIN1.6523, 20NiCrMo2-2, SNCM220, 8620

Shape: round, flat, square.U channel,C channel.

Size Range:
 Diameter(mm)Thickness (mm)Width (mm)Length(mm)
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR

Delivery Condition:
Annealed , Quenched + Tempered

Surface Condition: 
Black, Grinded, Peeled, Rough turned, Polished
1. Competitive price
2. Immediate delivery
3. Premium quality
4. Reliable service
Packing detailsIn seaworthy packing, as your requirement.
Delivery detailswithin 30-50 days
Chemical Composition:
0.030 max0.030 max0.10-

Heat Treatment:
This 1.6523 gear steel may be hardened by heating to 1500F followed by a water quench. Carburize at 1650F to 1700F in an appropriate carburizing medium and oil quench to harden. Improved carburized case and core properties can be obtained by furnace cooling from carburizing at 1650F
-1700F and then reheating to 1575F.
1.6523 gear steel may be given a full anneal at 1550F and slow cooling at not more than 50F per hour down to 850F. From there it may be air cooled.
Hardening is done by oil quench from 1675F. Carburizing is accomplished at the same 1650F-1700F range in a carburizing "pack" or environment, followed by oil quench for thin sections or a furnace cool for heavier (over 3/4″) sections. Following carburizing of heavy sections a reheat at 1575F will enhance both case and core properties of the alloy.
Tempering of carburized parts is done at 250F-300F and this will result in the alloy having a core strength of approximately 135 ksi minimum with Rockwell C case hardness of 90. Tempering of heat treated and water quenched parts (not carburized) is done at 400F-1300F with greater hardness the lower the tempering temperature.

Forming characteristics of 1.6523 gear steel are good in the annealed condition.

The 1.6523 gear steel may be welded by conventional methods, usually gas or arc welding. Preheating at 400F is beneficial and subsequent heating after welding is recommended - consult the approved weld procedure for the method used.

The alloy may be forged at 2200F down to 1800F prior to the hardening heat treatment or carburizing.

Hot Working:
Hot working may be accomplished prior to hardening or carburizing. Consult the alloy supplier for information as to temperatures.

Cold Working:
The alloy may be cold worked in the annealed condition by conventional methods. Cold working, as with machining, should be done to as close a tolerance as possible before heat treatment or carburizing.

When hardened and formed, 1.6523 gear steel may be used to produce hard wearing machine parts in a wide variety of industries. With its combination of elements along with the ease with which it may be processed, 1.6523 gear steel is a good choice for a variety of applications. Carburized 1.6523 gear steel is strong and durable and as a result is preferred in certain manufacturing applications. It is used to make a wide range of gears, crankshafts, gear rings, pinions, piston pins, cams, gauges, tie bars, collets, bushings and bolting as well as hand tools and a multitude of machinery parts and components. Structural parts such as gears, pinions, spline shafts, pins and a variety of other important applications requiring a hard wear surface and a ductile core.
Product Description:
1.6523 gear steel is a low carbon nickel chromium molybdenum alloy steel. And it is a low cost steel with good carburized properties. The nickel content contributes to case toughness at high strength with above average core toughness. The chromium and molybdenum support the proper formation of carbides resulting in good surface hardness and wear. It is the most widely used carburizing alloy.

 Contact Information:
Tel: 89-0731-89903933(CHANGSHA, Office)
Fax: +86-0731-89853933
Mobile : +86-15675829432

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