|
Grade :
|
X2CrNbZr17通用耐腐蝕鋼片/板和帶材
|
|
|
|
|
|
|
|
Number:
|
1.4590
|
|
|
|
|
|
|
|
Classification:
|
鐵素體不銹鋼-特級
|
|
|
|
|
|
|
|
Density:
|
7.7 g/cm 3
|
|
|
|
|
|
|
|
Standard:
|
|
|
|
|
|
|
|
|
EN 10088-2:2005不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術條件
|
|
|
|
|
|
|
|
EN 10088-1:2005不銹鋼。不銹鋼清單
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Equivalent grades:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Chemical composition % of steel X2CrNbZr17 (1.4590): EN 10088-2-2005
|
|
|
|
|
|
|
|
|
Zr >= 7 * ( C + N ) + 0.15
|
|
|
|
|
|
|
|
|
未經買方同意，不得故意將本表中未列出的元素添加到鋼材中，除非對鑄件進行精加工。
|
|
|
|
|
|
|
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Nb
|
Zr
|
|
max 0.03
|
max 1
|
max 1
|
max 0.04
|
max 0.015
|
16 - 17.5
|
0.35 - 0.55
|
max 0.15
|
|
|
|
|
|
|
|
|
|
|
Mechanical properties of steel X2CrNbZr17 (1.4590)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rm - Tensile strength (MPa) (+A)
|
400-550
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rp0.2 0.2% proof strength (MPa) (+A)
|
230
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
A - Min. elongation at fracture (%) (+A)
|
23
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Properties of steel X2CrNbZr17 (1.4590)
|
|
|
|
|
|
|
|
|
Resistance to intergranular corrosion: in the delivery condition - yes; in the welded condition - yes
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
