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发表于 2009-7-28 14:57:54
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来自： 中国上海
1.0580的标准
EN 10305-6 (08/2005), Steel tubes for precision applications, Welded cold drawn tubes for hydraulic and pneumatic power systems. (Structural and constructional steels)% H9 r% r: I- V4 z
Chemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,
( a! S8 g9 e, C5 }: l& n7 p. nCold drawn
/ @2 O" Y$ ^, o; ^Yield stress 355MPa -20度
* X: Y! c8 q# b# W, ETensile STRESS 490-630MPa, -20度
" ?. h; {) @% u J0 U2 LElongation 22% -20度
' L: ~& f9 \* W% X% Z9 fImpact value (Charpy-V) 27J 0度/ u k& s/ o) {& W0 W$ V( [
k% y( s, m+ T) T. ^6 G1 u7 RFor tubes with an outside diameter <=30mm and a wall thickness of <=3mm the minimum values ReH are lower by 10MPa. |
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