Model NO.: S1
Standard: AISI, ASTM, DIN, JIS, GB, BS
Surface Treatment: Machined,Black Surface,Grined,Peeled
Application: Tool Steel Bar
Transport Package: Nude Packing
Origin: Huangshi, Hubei
Type: Alloy Steel Bar
Composition: Alloy Steel Scrap
Special Use: Wear Resistant Steel, Mold Steel
Specification: R: dia60-610mm; F20-300X100-610mm
HS Code: 7228400000
S1 Alloy Tool Steel,Cold Work Die Steel
|Black surface/ Grinded/ Machined|
|Characteristics||AISI S1 is a versatile chrome-tungsten shock-resisting tool steel. Its properties provide excellent service in both cold and hot work shock applications. In addition, it is widely used for master hobs.|
It's low carbon content provides toughness and its combination of alloying elements provides the carbide formation necessary for abrasion resistance, the hardenability necessary for shock tools, and improved hot work characteristics.
For additional wear resistance, tools of SI may be carburized during pack hardening.
|Applications||Heavy duty blanking and forming dies, punches, chisels, shear blades, slitter knives, cold|
striking dies, cold extrusion tools, coining dies, master hobs.
Hot work applications with operating temperatures under 1050F such as headers, piercers, forming tools, shear blades, and drop forge die inserts.
|S1 can be softened to proper structure for machining by heating slowly to 1450 to 1500°F, holding at temperature for at least one hour per inch of greatest thickness, and cooling slowly to 1000°F, after which it may be air- cooled. Hardness resulting from this treatment will be Brinell 212 max. To prevent decarburization, pack or pipe-anneal in sealed containers, using inert material or use a controlled atmosphere furnace.|
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