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发表于 2010-11-10 14:56:48
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来自： 中国江苏常州
本帖最后由 wenjuanzhi2008 于 2010-11-10 15:00 编辑 " E! V4 Z& _/ E ]. d
6 r. F) V/ x$ I, u1 d8 }) s6 V1 |HC:High Carbon Cast Iron; Cu,Cr is the mainly alloy element.6 [, N4 P: o* ~0 Z- B7 f
The material in the German literature GG15HC sign, in English is GIHC (Gray Iron High Carbon).
2 f# x1 D. t* o* e/ GGG-15HC: A wide range of cast iron is produced from the HC-type cast iron used in the manufacture of brake discs, because of its favorable effect of alloying on the texture and very good resistance to abrasion. ; g: a3 c+ O/ ~+ B0 ~7 S8 A! ^. U
The cast-iron texture: Graphite (%) 12.5, Graphite shape IA3, Perlite (%) 99, Ferrite (%) <1;
. l4 u- W% r( pChemical composition: C 3.73, Si 2.07, Mn 0.78, P 0.058, S 0.085, Ti 0.014, Cu 0.56, Cr 0.27, Sn 0.039.
' ?! q" ?& x: Q7 }; B3 E7 G+ y! w, OMechnical property:Hardness: 180 ± 5 HB, Tensile strength:240 MPa. 8 c4 B3 T; u/ H- X
The cast GG15HC marked characteristics:& \2 ?- H) ?; b5 g, V' V- E0 }
- High thermal conductivity,- L8 l! x6 u5 h; ^2 |& q
- Low thermal stresses,
1 S' @! p; y+ ^: `) _1 t: z* I, _- F! i- High resistance against cracking due to heat generated,6 i; ~* e7 V. J0 |$ t+ N+ J9 W) W: q
- Good shock absorption properties. |
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