EN36 is an alloy case hardening steel. Characteristics of the steel are toughness arising from the use of nickel and a more uniform hardness produced by the use of chromium. It is specifically designed for carburising to give a very hard case with a strong core. 8 n5 `6 a4 I$ {0 h
|
: k9 L& \! s# K( l- R0 JTYPICAL ANALYSIS
0 e# k4 ~$ {1 F) q0 N( x |
( K0 k' e; q7 ^3 _. ^ | 0 U5 g: g$ ~' X
| C.
( d5 W8 T8 U( }0 y3 `# T' C | Si. % y' n, C. S3 W
| Mn.
( e( V5 d8 T5 W" v& m: k7 B | Ni. 1 K, K) r7 C+ C$ X; g7 p$ n
| Cr. 6 t" ]" G- I! w {
| 0.15%
* m/ L/ N+ e( M* A- e( S: e1 l" Q | 0.25% 3 y8 X; `# M! T' Z. f
| 0.50%
) o- f" \$ f* U @2 [" C! {$ q1 o' ~ | 3.50% 4 k5 n! _! o! v- D f) N; h
| 0.90% 8 f; O4 f( |0 X6 v! T, Q
|
Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.6 T# g) G6 \" J* f7 X
: A! c. J; d/ u9 ? ECarburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
7 N! k( `/ M l& _* s, m( d/ ~9 \/ ]: Q& _1 S
Carburising - Double Quench Treatment:Carburise at 850/880°C. Cool in air or oil. Reheat to 760/780°C. Quench in oil.
1 E( I% W4 o: b9 f$ I( l' b3 S" q
Tempering:After hardening temper at 150°C for 2 hours minimum, and allow to cool in air to give a final surface hardness in the region of Rockwell C60/62.
! H5 o! i0 P( g- a! lCondition
8 Y4 _! g7 a% m, h | Tensile Strength Rm N/mm²
/ F9 f0 d. U# H4 |7 H( i$ u( @+ h | $ G; A S/ Q- G* A5 A! D) [& O
Elongation%5.665ÖoS % _$ w5 ?3 r' H3 y
| ImpactIzodJ
y, s5 t5 s0 P8 | | ImpactKCVJ R5 g% P! R' @& w( U: j
| HardnessHB 2 A+ Y& p# B3 m9 G' ^
| Test PieceSize mm # \2 o% _' c, Q! v& t& V, Q
| BC
4 M# _% r1 ]8 X$ V- i y. o- QBlank Case Hardened & {. D0 k9 S \- v S5 b: ^4 s5 F
| 1100
* i) y6 g7 s! U8 {. S5 O# R | 9
8 l; q6 G8 M- @: m; P- F | 40
6 H$ N4 c: L# Z: R# ^3 c | 35
. W, W+ \+ z# m |
% R2 Z/ K7 D( m3 m" \341
- T' ^% f4 r( v$ d0 i
| |
en36是一种合金硬化钢.(英国牌号)
1 F# h5 v- v$ _$ i7 x
( t" E T& ]- r) J: V
" K/ I& H. H* m2 {* {4 i. [6 R1 F8 D f2 M2 y5 R
[ 本帖最后由 hbxjr 于 2007-5-21 20:27 编辑 ] | 
发表于 2007-5-21 13:21:35