|
|
发表于 2010-11-10 14:56:48
|
显示全部楼层
来自: 中国江苏常州
本帖最后由 wenjuanzhi2008 于 2010-11-10 15:00 编辑 # d2 v' W% r* V0 H1 f
( \! }; M: k0 K. h3 D0 l. R7 [
HC:High Carbon Cast Iron; Cu,Cr is the mainly alloy element.
' A# v7 g/ Q8 m; [5 sThe material in the German literature GG15HC sign, in English is GIHC (Gray Iron High Carbon). # W2 Z! |9 b& |
GG-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. # B& w/ o) H' m6 d1 S% w
The cast-iron texture: Graphite (%) 12.5, Graphite shape IA3, Perlite (%) 99, Ferrite (%) <1;
! z" m" ^# D# j* c, t& h+ k; g9 ?Chemical 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.* v9 ^; s: w/ ^
Mechnical property:Hardness: 180 ± 5 HB, Tensile strength:240 MPa. 1 i% j6 Q [& X( v: X1 K9 ^3 c6 r
The cast GG15HC marked characteristics:
2 K( |( m% e/ ^# e' z0 R: i. A- High thermal conductivity,2 M, h1 ?( S. t# Q
- Low thermal stresses,+ n+ O; Z' J Z" n7 c, T, H
- High resistance against cracking due to heat generated,
& a! }8 R' o" @6 C( P- Good shock absorption properties. |
评分
-
查看全部评分
|