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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. H( ~4 o, b0 RTYPICAL ANALYSIS ! o0 Q5 m: T* b6 V+ E' ]
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| Si. ( R; F+ e) n, B3 W1 x5 C
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| Ni. 7 h' x4 I( Q8 q1 ~$ {% w
| Cr. 2 T( J6 J B1 E
| 0.15% 3 h2 [! D9 d7 Z$ x1 u
| 0.25% ' J! i/ [ u/ a5 J) Q( _% O- U
| 0.50%
0 M8 J+ i$ u* a | 3.50% 7 q4 W- r# [! s, Y( z! O# ]
| 0.90% ( Q& V7 j1 O6 @, p- r" l! Q
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Carburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.
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4 `4 u9 z' R& `3 A" TCarburising - Single Quench Treatment:Heat the carburised parts to 800/820°C and quench in oil.7 p# l9 H4 d P" W: q- N
5 u" c1 o \' N; 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.
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| Tensile Strength Rm N/mm² ' `; l6 E/ b5 u4 |5 j4 Y
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Elongation%5.665ÖoS ( s3 I; Z# r: ^- l+ `$ k# T# j
| ImpactIzodJ
6 g) r% Y( u) x3 g0 U | ImpactKCVJ
' Y1 @# k5 P2 t | HardnessHB . e( o! ~( J0 F. c. O9 d2 A& w
| Test PieceSize mm ' }- |# t2 ^$ r! R6 k# i
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Blank Case Hardened , i U7 K1 v5 t' z# Y' J
| 1100
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3 \: H: V# T# X2 Y | 40 0 Z3 q+ z' G! X6 z9 m
| 35
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8 U/ E, q8 h5 d% V% M, H& I341 ' J6 u$ f4 d6 ~7 W6 E: j6 p
| | 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 ] |