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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)9 K$ n& D8 _ ~% q) F! _2 V
Chemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,
* g# y: R O8 T" c& HCold drawn9 k7 i! B2 @ w
Yield stress 355MPa -20度2 q1 G& L( Q& G% v; w" v t- h
Tensile STRESS 490-630MPa, -20度. ^: e: \" y4 b0 t4 p& J- c9 q
Elongation 22% -20度
0 C. q: G6 `- D! VImpact value (Charpy-V) 27J 0度
! _# B9 V+ d9 Y
0 ^) w& ^ K: P- |0 p7 v$ W; `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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