GG-15HC Cu Cr 是什么意思？

trues2006

大家帮助我看看，一款产品，是做汽车排气管子的，材质一栏里面有这么个东东，GG-15HC Cu Cr 大家帮我看看是什么意思！！！

itellu

GG-15HC  不明白 是什么东东 是国内的么？

trues2006

好像是德国的东东

trues2006

GG15HC
) w6 Y* f4 j  g# W7 _6 Y) Z汽车制动盘，材料到底是什么东东

lhf999

按德国牌号标准，GG-15是灰铸铁，15表示抗拉强度150MPa。另外的符号啥意思不知。

guosi

德国的合金灰铸铁，后面为合金元素

wenjuanzhi2008

) N& U, T# U% \0 ~- ^( a5 pHC:High Carbon Cast Iron; Cu,Cr is the mainly alloy element.
The material in the German literature GG15HC sign, in English is GIHC (Gray Iron High Carbon).
6 i! D) R" w6 G' P- v3 r) w' B2 BGG-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.
) R) ~" K, D5 Y6 m8 YThe cast-iron texture: Graphite (%) 12.5, Graphite shape IA3, Perlite (%) 99, Ferrite (%) <1;
" c* s; c* U' {# L5 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.
Mechnical property:Hardness: 180 ± 5 HB, Tensile strength:240 MPa.
The cast GG15HC marked characteristics:
! h+ C2 ~# |3 R  u" N- High thermal conductivity,
- Low thermal stresses,
- High resistance against cracking due to heat generated,
- Good shock absorption properties.

trues2006

7# wenjuanzhi2008

& p1 k2 ~" A+ N/ H3 V, hyes, you right, the iron was used in brake!
% c( _; x! z6 K$ D6 {2 Mthank you very much for your help, and do you have some standards for this grey cast alloy, I want to know where does  the data comes from;
thank you!

wenjuanzhi2008

Please refer to the attachement as belows, the thesis is witten by Hungarian, you can find google translation for help.