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. K0 q, h4 `3 _
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" V9 i0 @# t9 lTYPICAL ANALYSIS
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+ j; U, p% x0 \- H6 ^: D$ q- \0 P | Si. . x+ [$ |1 d# F' v V' e
| Mn.
. z t. R9 \' F3 S, q; w | Ni.
4 Y4 U) ]/ _: s+ s | Cr.
7 k7 }) g+ x+ L | 0.15%
. ^. V9 t* I( f& y N j. e: } | 0.25% : |+ Q8 i% y8 A
| 0.50% 9 _2 `/ g8 K9 E+ G1 d/ |
| 3.50%
0 N6 M5 }# ], b, H3 A* k | 0.90% ) v2 i" _4 Y4 K& t. B* ^' ~6 M4 F
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.. f9 T6 f7 ~9 O" p1 q6 l* k
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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 - Double Quench Treatment:Carburise at 850/880°C. Cool in air or oil. Reheat to 760/780°C. Quench in oil.2 R U" J9 @0 ?* V9 ?: A4 V5 A" K
, ~3 n! W8 J' hTempering: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.
/ S' A5 @: E5 a0 ~$ T. g& E2 j# h& GCondition . B8 }- B$ l( ]- P, J/ K
| Tensile Strength Rm N/mm² 3 V! L8 { i$ z8 N) D3 x
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. V2 Y5 ?( W3 ] n; F' l( DElongation%5.665ÖoS
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| ImpactIzodJ * q: O+ h: |3 k' Y% c
| ImpactKCVJ + Q1 Q( A& v. O
| HardnessHB * X( ]1 x' D/ Z- i: |) D/ N0 y9 f, O
| Test PieceSize mm , B4 h4 Q9 k8 N0 U/ q8 s
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Blank Case Hardened 5 k7 ^7 w& q; U& o' T# x
| 1100
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| 40
! _% C2 Q) V. k4 ^" p | 35
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341 ' B4 l$ e5 x7 T% T& B8 o @4 J8 R
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en36是一种合金硬化钢.(英国牌号)
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) v0 o# D) w+ L5 y0 E[ 本帖最后由 hbxjr 于 2007-5-21 20:27 编辑 ] | 
发表于 2007-5-21 13:21:35