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. / [. B2 f( T) H {$ Y% W
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" t% ]% y% Y4 f9 {* z' H. P, ]7 GTYPICAL ANALYSIS 1 M0 Z! X/ C- I0 X
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. f! b+ T2 n7 z2 o7 D, |+ e | Si. 5 \2 }) Z2 X& `8 M
| Mn. . P: k/ h3 `4 E A( K/ G
| Ni.
6 s' P& h' N# |* e4 N: Y* [ | Cr. " E( ^) ~0 `/ ?" k0 C; l/ ?3 m
| 0.15% . k6 N5 B3 X ?2 p
| 0.25% ' b2 }* @6 \4 j
| 0.50%
! E/ F# F% X( E" Z | 3.50% 1 [. ?( M/ _' \( a5 m
| 0.90% " K( P+ }# n8 B- o r2 `4 T
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.. e4 i1 u4 ?7 b$ S8 u
1 H( k6 s1 y* U5 h ^Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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. I# n& ]2 X5 d8 ^6 e4 \' x HCarburising - 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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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. 3 B) Y3 F. T3 w$ ~" P; p
Condition * G5 N0 C# w; [, ?) K
| Tensile Strength Rm N/mm² 6 Y* D6 r/ e" Y% {! K
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# j: ?! A3 @7 `5 _Elongation%5.665ÖoS
2 \% \/ j5 }2 E; s0 G
| ImpactIzodJ * d' n7 a% b& k$ W; A' q" m4 u
| ImpactKCVJ . h2 T; U4 e: S! @/ h) c4 `
| HardnessHB 3 k% O/ n0 a9 p
| Test PieceSize mm / D7 u; \% V0 w+ z
| BC
$ t) U; o- {6 b: b. y7 j0 M# ~6 FBlank Case Hardened
9 x# J2 U% d3 T. g1 B+ D | 1100 w9 X/ p( ^* n% Z+ q' n; T5 m
| 9 2 A6 V S7 b- ^7 @! u
| 40 * B, x/ ~5 y% _. q+ C+ {1 T
| 35
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341 3 m' W; C) ` _( j! k5 t
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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