|
|
发表于 2009-7-28 14:57:54
|
显示全部楼层
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)
, y7 e* Y) f( v' yChemical compostion C 0.22, Si 0.55, Mn 1.60, P 0.025, S 0.015,/ t: \2 ?; g5 a0 F2 Y7 m; d+ n: o
Cold drawn; m& W, S$ F1 z( c
Yield stress 355MPa -20度8 |* P8 }1 M9 M7 W I- O0 ^
Tensile STRESS 490-630MPa, -20度! Z( l1 o/ g8 K- b+ k5 }* W+ d% R
Elongation 22% -20度
/ b h, A3 ?* A5 z- B8 \Impact value (Charpy-V) 27J 0度
?- v- i9 q* O6 d2 n5 |, h, a3 F$ C5 @9 U* L
For tubes with an outside diameter <=30mm and a wall thickness of <=3mm the minimum values ReH are lower by 10MPa. |
|
