|
马上注册,结交更多热工坛友,更多精彩内容等着您!
您需要 登录 才可以下载或查看,没有帐号?免费注册
x
The material we are seeking is Pearlitic CrMo cast steel to the following specification.
e9 B! f' {* z& a7 e1 \- n+ b6 o; z+ \' ]3 Q
%C 0.6 ~ 0.8
: U; D) Y" b4 g: C( X& {%Si 0.75 max
+ v) U7 l7 i% W2 U* v%P 0.05 max0 z0 N/ o: T2 A" J- o* F/ j1 d
%S 0.03 max
2 q, `0 H+ J, m) }%Ni 0.3 max7 C# Q0 L& g" h! _" m
%Cr 2.0 ~ 2.4
# ^- \- Q R/ J8 z9 w& \$ u%Mo 0.2 ~ 0.4' `; R$ |& D! X" F& C
%Cu 0.25 max8 K* F0 u$ m$ L# r, h" R
%Al 0.05 max' d8 J2 N3 y5 A% d0 v
%Fe balance: \# L+ b+ n. [" \8 [1 k0 ^; @
! f- r7 P4 Q: S5 x$ f3 D- ~Condition is normalised and tempered.9 A1 {4 o9 q- @
Hardness range is 33~42 HRC with the target 37 HRC.
) T; Z) y- A. \) S
) c/ O \5 G) i0 ~% [2 `+ ~: vCastings will be generally in the 15 to 35kg range. Production will need to be by some form of no-bake hard sand moulding. |
|