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Alloy Bright Steel Bar
 
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Alloy Bright Steel Bar

1.Steel grade:

L3(ASTM/AISI), SUJ2(JIS),

Gcr15(GB),SKF3(ASSAB)

 2.Chemical Composition(%)

C

Si

Mn

P≤

S≤

Cr

W

Mo

V

1.10~1.65

0.20~0.60

0.20~0.50

  0.030

  0.030

11.0~13.5

0.20~0.40

0.70~1.35

0.50~0.85

3.Specification :

Round bars: Diameter 80mm-480mm,Length ≤6000mm

Steel plate: Thickness 70mm-410mm, Width410mm-810mm

4.Steel properties:

High strength toughness, high chromiumsteel

5.Applications:

Used in various molds of withstandinggreater shock load

All products' chemical  composition and specification

can be design according to customers'requirement




Alloy Bright Steel Bar is widely used in applications requiring a high degree of toughness; grindability, good wear resistance and high hardness.

Applications include:

-Lathe Tools; Planer Tool;

-Drills; Taps; Reamers; Broaches;

-Milling Cutters; Thread Cutters; End Mills;

-Blanking Dies; Gear Cutter; Router Bits.

Heat Treatment

Forging:

-Preheat slowly to 1600 F until piece is thoroughly heated through, then increase heat to 1950 F -2050 F.

-DO NOT hot work M2 below 1700 F.

- After forging, allow M2 to cool slowly, packed in lime or other insulating material.( For large forgings, let soak in large furnace at 1450 F, then cool in furnace.)

-Anneal as soon as possible.

Anealing:

-Surface protection-Anneal in controlld atmosphere furnace or pack in an inert material.
-Slowly heat M2 to 1550-1600, cool slowly at a rate of 20 F/ hr until furnace is black. Shut down furnace, allow to cool normally, annealed hardness range is 200-240 Brinell.

Stress-relieving:

Temperature 1100-1290 F. Rough machine after stress relieving. Hold tool for 2 hours after reaching full temperature. Cool in furnace to 930 F and then air-cool.

Hardening:

Single-edge cutting tools: 2175-2225 F ( salt bath)
2200 F -2250 F( furnace)
Roating multi-edge cutting tools: 2150 F -2250 F

Punches, dies, etc: 1920-2100 F.

Tempering:
-Temper immediately when piece reaches 150 F or when comfortably hand-held.
-Tempering temperature should be in the range of 1250 F-1100 F.
-Heat slowly to temperature, hold tools at heat for 2 hours before air cooling.
-For best toughness, after tool has cooled, retemper for 2 additional hours at slightly lower temperature.

Alloy Bright Steel Bar

 

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Tel: +86 318 788679 | Fax:+86 318 975189
Website: http://www.wiremeshdisc.com | E-mail:sales@wiremeshdisc.com
Add:Wire Mesh Industrial Park, Anping County, Hebei, P. R. China,053600