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. 7 H m5 W+ Q; {. ^. ^: O9 E( v1 x
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( h/ v; Y3 _7 aTYPICAL ANALYSIS
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| C.
8 l F- a9 K- p5 k; s7 j2 d | Si. $ E" `) Z8 D9 K& H9 G+ p* U, i- ~
| Mn. 8 n3 e# |# R9 W5 h
| Ni. ' J! } Y* Z9 R4 K' t
| Cr. `' q4 n$ ~ f8 `3 Q3 M! ~
| 0.15% 4 M4 h' \$ X9 w( O: [: @% f! r
| 0.25%
: B7 N/ {1 @ r, V( o | 0.50%
B" y: D. n" x7 K: m9 P5 E | 3.50% : J+ M0 w' Z$ j4 y
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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; u* K/ m% ~" Q$ K0 P( I3 D1 hCarburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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0 k5 c4 L: p7 W7 {7 aCarburising - Double Quench Treatment:Carburise at 850/880°C. Cool in air or oil. Reheat to 760/780°C. Quench in oil.. y! |) Z7 L6 b5 q' o! k
. ~9 J- t& u4 U+ q9 YTempering: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. : l3 C1 J4 S/ L
Condition ' }8 m3 C0 i. t: V
| Tensile Strength Rm N/mm²
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Elongation%5.665ÖoS & v5 P/ y* N, ~0 v( ~4 ?
| ImpactIzodJ
$ V- B- x3 `" O- C | ImpactKCVJ
3 S, e: [9 C& X4 _2 w0 @* D/ U | HardnessHB
4 m( f3 h0 N/ H1 c1 q ^, J | Test PieceSize mm
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4 c# \% ]% t) C8 \6 j) J+ O! BBlank Case Hardened 0 i% {$ W- g$ ~+ q
| 1100
; k' S0 `" T3 q% ?; V4 u/ U | 9
2 [) @% v9 G, Z9 I9 u3 j | 40 & u/ l5 j" a e
| 35
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341
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en36是一种合金硬化钢.(英国牌号): ]9 ~3 q" u1 j9 X* ^% ?
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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