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Huangshi Chengquan Metal Material Co., Ltd.

W1 Tool Steel, W1 Steel, Tool Steel manufacturer / supplier in China, offering Good Wear Resistance and Hardenability W1 Tool Steel, SUS444 Steel Sheet with High Quality and Competitive Price, 1.2825 Round Tool Steel Bar and so on.

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Good Wear Resistance and Hardenability W1 Tool 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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Production Capacity: 500mt / Year
Transport Package: Seaworth Packing
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: W1
  • Standard: AISI, ASTM
  • Technique: Forged
  • Surface Treatment: Polished
  • Application: Tool Steel Bar
  • Tensile Strength, Yield: 1500 Mpat218000 Psi
  • Quality Standard: ASTM-A686
  • Surface Condition: Black, Grinded, Peeled, Polished
  • Specification: Diameter: 20-480mm
  • HS Code: 7228600000
  • Type: Alloy Steel Bar
  • Composition: Ferrous Steel Scrap
  • Shape: Round Bar ,Square Bar,Flat Bar
  • Special Use: Wear Resistant Steel
  • Tensile Strength, Ultimate: 1680 Mpat244000 Psi
  • Size Range: Diameter: 20-480mm
  • Delivery Condition: Annealed, Qunched and Tempered
  • Trademark: CHENGQUAN
  • Origin: Hubei, Huangshi
Product Description
Water-hardening tool steels are also known as group W steels. This group consists of three types, namely, W1, W2, and W3. The main alloying element found in group W steels is carbon. To increase the wear resistance and hardenability of the W steels, a small amount of chromium can be added. By adding vanadium, the grain size is maintained, which enhances the toughness of the steels. The group W steels have low resistance to softening at high temperatures and are inexpensive.
The W1 steel is one of the most commonly available water hardening tool steel grades and can be easily hardened by heating and quenching in water. However, this alloy does undergo some amount of distortion during quenching. The following datasheet will provide details of W1 water-hardening tool steels.

Chemical Composition
The following table shows the chemical composition of W1 tools steels.
ElementContent (%)

Physical Properties
The physical properties of W1tool steels are outlined in the following table.
Density7.83 g/cm30.283 lb/in3
Melting point1435°C2615°F

Thermal Properties
The table below shows the thermal properties of W1 tool steels.
T (ºC)Treatment
Thermal expansion10.4 x 10-6/ºC20-100-
Thermal conductivity48.3 x W/mK100-

Other Designations
Other designations that are equivalent to AISI W1 tool steels include:
  • ASTM A686
  • SAE J437 (W108), (W109), (WhO), (W112)
  • SAE J438 (W108), (W109), (W110), (W112)
  • UNS T72301
Fabrication and Heat Treatment
The machinability of W1 steels is very good as they are plain carbon steels with 100% rating based on which other tool steels are compared.
W1 steels can be easily formed using conventional methods.
W1 steels are weldable using all the standard methods.
Heat Treatment
The treatment depends upon the intricacy of the part or section size. W1 steels with large sections or intricate shapes have to be slowly preheated to 593°C (1100°F) and then the temperature should be slowly increased to 816°C (1500°F). The steels should be maintained at the same temperature for 10 to 30 minutes and finally water or brine quenched.
Forging of the W1 steels can be performed at 1038°C (1900°F) down to 816°C (1550°F) but not below 843°C (1500°F).
Hot Working
W1 steels can be hot-worked.
Cold Working
W1 steels in the annealed condition have very good ductility and can be easily cold worked using conventional methods.
Annealing has to be performed at 760°C (1400°F) followed by slow furnace cooling at 4°C (40°F) per hour or less.
Tempering of the W1 steels is performed at 177-343°C (350-650°F) to realize Rockwell C hardness of 64 to 50.
The W1 steels are mainly used for cold heading, hand-operated metal cutting tools, reamers and embossing taps. It is also used for cutlery.
Good Wear Resistance and Hardenability W1 Tool Steel
Good Wear Resistance and Hardenability W1 Tool Steel
1.Less inclusions4.Timely delivery
2.Good qulity and competitive price5.Good air-hardened performance and abrasion resistance. high hardenability and wear-resisting property.
 3.Quick response

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