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X7CrNiTiB18-10 Stainless Steel Pipes EN 10216-5 1.4941 Heat Resistant Pipes
Material Specifications
Grade:
X6CrNiTiB18-10
Number:
1.4941
Classification:
Austenitic creep resisting steel
Density:
7.9 g/cm³
Applicable Standards
EN 10302:2008 Creep resisting steels, nickel and cobalt alloys
EN 10028-7:2007 Flat products made of steels for pressure purposes - Stainless steels
EN 10222-5:2000 Steel forgings for pressure purposes - Martensitic, austenitic and austenitic-ferritic stainless steels
EN 10216-5:2014 Seamless steel tubes for pressure purposes - Technical delivery conditions - Stainless steel tubes
EN 10269:1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10088-1:2005 Stainless steels - List of stainless steels
Chemical Composition (%) - EN 10302-2008
Element
Content Range
C (Carbon)
0.04 - 0.08
Si (Silicon)
max 1
Mn (Manganese)
max 2
Ni (Nickel)
9 - 12
P (Phosphorus)
max 0.035
S (Sulfur)
max 0.015
Cr (Chromium)
17 - 19
Ti (Titanium)
max 0.8
B (Boron)
0.0015 - 0.005
Ti = 5 * C to 0.8
Mechanical Properties
Property
Condition
Value
Rm - Tensile strength (MPa)
+A
490-710
+AT
490-690
Rp0.2 - 0.2% proof strength (MPa)
+A
200-220
+AT
175-195
KV - Impact energy (J)
Transverse, +A (+20°C)
60
Longitudinal, +A (+20°C)
100
A - Min. elongation at fracture (%)
+A
40
+AT
30-40
Material Properties
Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes (EN 10028-7). Resistance to intergranular corrosion - no (EN 10216-5)