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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)7 G, d. C3 w7 D
Chemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,1 {: {% X* j% m( J. U1 I; B/ _
Cold drawn
5 [* l! z/ z }; n$ ~: Y& bYield stress 355MPa -20度3 C+ j$ Z1 X0 O/ q d+ t
Tensile STRESS 490-630MPa, -20度$ ]% F8 b( b$ u* X' v+ s
Elongation 22% -20度' c3 W1 g$ G+ x# G
Impact value (Charpy-V) 27J 0度
5 @" d2 J8 Z& x0 ~0 s0 ~5 a {
For tubes with an outside diameter <=30mm and a wall thickness of <=3mm the minimum values ReH are lower by 10MPa. |
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