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. # S# U. q# f- }8 y4 O! [! f
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8 ~; w7 Q; o6 h3 rTYPICAL ANALYSIS 5 C! Z. Y$ Q' N; J# q g
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+ p& o3 o" v& j5 @$ @ | C.
! E9 q% s/ {8 j' `/ w | Si. 8 t0 f* ?' M3 @: l
| Mn.
5 X5 t2 U- x8 L: `5 H. `5 w% C& u | Ni. 3 J5 \7 T* r; H7 x* _$ Z; @
| Cr. * @! V" K% k0 D9 m* ?8 l* {
| 0.15% / l3 k* t! z. c
| 0.25%
) M' f7 n! n0 H# l7 t7 d" @ | 0.50%
2 U7 D$ y1 e; y* Q& a& R$ T | 3.50%
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.1 u! M2 K3 F+ }
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Carburising - Double Quench Treatment:Carburise at 850/880°C. Cool in air or oil. Reheat to 760/780°C. Quench in oil.
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& A% X& f8 r* m3 {3 A- tTempering: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. 5 O7 ^# B1 M: [1 }+ V
Condition
5 s D3 S! k" B | Tensile Strength Rm N/mm² ' F+ f1 x/ Z. w
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9 p, x' @0 _! o1 t+ e i9 P+ a7 VElongation%5.665ÖoS
! |2 {- u" ]; z3 v6 L0 ^( t. i7 H
| ImpactIzodJ & a6 L/ D1 t9 H
| ImpactKCVJ % x# ~( C3 t* Q% b5 }: ]2 c
| HardnessHB
4 n3 W# G6 g& d( H" R2 A8 A | Test PieceSize mm 6 j' W& r" L, V8 M" B
| BC
7 }/ k" w2 E6 q/ u; Y8 ~; [6 jBlank Case Hardened
0 O F/ d+ h2 r* X | 1100
; {" E6 C+ X# I; D& d5 ` | 9 / E# B" K0 ~$ Q$ b5 a) d3 l8 _* \
| 40 , j- T/ A# z8 ?2 ^( N
| 35
0 \9 k8 N- v2 C3 O! y | }$ V+ f2 ^. o4 h
341
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en36是一种合金硬化钢.(英国牌号)$ o) C6 s7 R% v# y9 m
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[ 本帖最后由 hbxjr 于 2007-5-21 20:27 编辑 ] | 
发表于 2007-5-21 13:21:35