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. 1 y4 X5 a. i$ L. H3 G+ w, t
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TYPICAL ANALYSIS
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| Si. & y( \% N0 P" u2 ]# B' s
| Mn. ( g. r$ `7 q: c* { L
| Ni.
+ `- N; V% D3 W6 Y. o% v | Cr.
8 w1 d. x# c) `- {, F$ f | 0.15% 5 ]! j- N$ h S
| 0.25% 3 K! Q+ a& h! w
| 0.50%
" {: j+ e" E9 K$ `* I" h | 3.50% , \% j9 v T# D7 Y
| 0.90% ! n% }! g1 M0 u @5 o: v
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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& s `, U; v; M$ i, g+ C( QCarburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.% j) L# N/ }) d8 s+ Z; t
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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.2 i+ _0 m, Y- z) u. r
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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.
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| Tensile Strength Rm N/mm² 9 ]" V5 J% [# g8 d8 d
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Elongation%5.665ÖoS 5 s% I8 l, a2 v% q( U
| ImpactIzodJ
% o4 Y! k% d3 e" @ | ImpactKCVJ
7 p7 Y7 | B# L* L- K$ s, g | HardnessHB
4 Z9 U/ ]2 h+ Z8 B W | Test PieceSize mm + j# x/ X" W2 Z* T& Y2 C' g g9 A
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Blank Case Hardened
+ b& H& k K$ n8 _8 u0 P | 1100 7 g/ T `! f+ d# Q( t/ H4 w" u
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| 40
+ k! C8 z# V; p2 z) u | 35 ( ^% e7 Q$ T8 u, J
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1 W5 V6 \8 L' k. j1 s8 z* O341
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en36是一种合金硬化钢.(英国牌号)
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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