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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 t G6 X) \# c- O3 fChemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,
) B' X; |& e1 L3 XCold drawn
' ?) P) Y. F9 ]. rYield stress 355MPa -20度
+ ^6 ]; p) _$ @# H) BTensile STRESS 490-630MPa, -20度: X& S. P1 J# `% r1 s: }
Elongation 22% -20度
3 J9 z7 j! H# k( ]: H3 ?; V$ R; JImpact value (Charpy-V) 27J 0度) j4 E& q+ j0 ^ s( P" j
+ ^4 ?0 z C0 A, ~# sFor tubes with an outside diameter <=30mm and a wall thickness of <=3mm the minimum values ReH are lower by 10MPa. |
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