产品详情
Grade : S34709压力用无缝钢管
Number: X7CrNiNb18-10
Classification: 奥氏体抗蠕变钢
Density: 7.9 g/cm ³
Standard:
EN 10216-5:2014压力用无缝钢管。技术交付条件。不锈钢管
EN 10222-5:2000压力用钢锻件。马氏体、奥氏体和奥氏体-铁素体不锈钢
EN 10088-1:2005不锈钢。不锈钢清单
Equivalent grades:
Chemical comb % of steel X7CrNiNb18-10 (S34709 ): EN 10216-5-2014
|
C
|
Si
|
Mn
|
Ni
|
P
|
S
|
Cr
|
N
|
Nb
|
-
|
|
0.04 - 0.1
|
max 1
|
max 2
|
9月12日
|
max 0.04
|
max 0.015
|
17 - 19
|
max 0.1
|
0.4 - 1.2
|
10*C < Nb < 1.2
|
|
Mechanical properties of steel X7CrNiNb18-10 (S34709 )
|
|
|
|
|
|
|
|
Rm - Tensile strength (MPa) (+AT)
|
510-710
|
|
|
|
|
|
|
|
|
|
|
Rp0.2 0.2% proof strength (MPa) (+AT)
|
205
|
|
|
|
|
|
|
|
|
|
|
KV - Impact energy (J) transverse, (+AT)
|
+20°
|
-196°
|
|
60
|
40
|
|
|
|
|
|
KV - Impact energy (J) longitud., (+AT)
|
+20°
|
|
|
100
|
|
|
|
|
|
|
|
|
|
|
A - Min. elongation at fracture (%) transverse, (+AT)
|
30
|
|
|
|
|
|
|
A - Min. elongation at fracture (%) longitud., (+AT)
|
40
|
|
