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
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

$ C( `% `5 |7 u
, M0 D0 s: \& [HC:High Carbon Cast Iron; Cu,Cr is the mainly alloy element.
+ W  e. ]: y( R* E4 S* Z0 H' JThe material in the German literature GG15HC sign, in English is GIHC (Gray Iron High Carbon).
7 @6 E; `# o2 m* _! ~2 OGG-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.
" q9 X* W; S; y4 F- j% NThe cast-iron texture: Graphite (%) 12.5, Graphite shape IA3, Perlite (%) 99, Ferrite (%) <1;
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.
Mechnical property:Hardness: 180 ± 5 HB, Tensile strength:240 MPa.
The cast GG15HC marked characteristics:
5 Z! }* H3 o% X' g2 {- High thermal conductivity,
- Low thermal stresses,
5 t5 i; D) W9 V/ b4 s- High resistance against cracking due to heat generated,
- Good shock absorption properties.

trues2006

7# wenjuanzhi2008
" ?$ _2 f* `) J2 \& y7 ]- Z. Z- B) \
- f& D# g0 g3 T# ?! r) j6 hyes, you right, the iron was used in brake!
' G( _, _8 c% X. t  ~- j; u2 }thank 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.