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.
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TYPICAL ANALYSIS
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| 8 d: O% W3 s, |+ w: H
| C.
4 [3 W( r3 M0 @. D' U* j8 r8 c | Si. ( \. T- P& o9 y; i" w( v
| Mn.
) S. X: ~ R2 P; D; ]# s& ^4 [% ^ | Ni. 6 |* ]5 c% }- L! F, k% T
| Cr. a( O0 ]( l, q! P& M# i" }' n+ M% h
| 0.15%
! {5 `- x9 d% K7 W" f$ c | 0.25% ; t& R; w$ t2 w( I
| 0.50%
7 Z. f. |7 a9 X$ N4 w | 3.50%
3 ^5 R8 F* U' Y" p | 0.90%
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.! n6 h$ z3 b+ Y1 _
' b5 \, d9 P( R9 MCarburising - 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.! o& n- `0 f3 w! J1 S, ~
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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. 5 g& r% |- a [1 t/ G$ D
Condition : S4 z; i2 Z% |* u, U& o
| Tensile Strength Rm N/mm² " @0 |8 R* D4 g1 @3 a! L! `1 R
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Elongation%5.665ÖoS + Y1 P8 b" b3 {" V- C+ e' B& ]
| ImpactIzodJ , |& Y- @8 H. [$ N7 J
| ImpactKCVJ
4 G/ z+ K) I/ d g1 W | HardnessHB 8 C6 i+ X- t6 f1 C% V9 i5 @
| Test PieceSize mm + V1 c+ M3 V; a* S$ n
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Blank Case Hardened
( Y8 M: i9 F8 t6 l# Y | 1100
+ [9 y6 o3 p5 M$ o. m | 9 + I& ~1 s+ z, @6 M
| 40
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en36是一种合金硬化钢.(英国牌号)2 _+ z- _1 S* F4 D/ P7 D9 B! x
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! q" y; j; j" g+ e* [[ 本帖最后由 hbxjr 于 2007-5-21 20:27 编辑 ] | 
发表于 2007-5-21 13:21:35