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Grade X6CrNiNb18-10
1.4550
Corresponding Standard NF EN 10028-7-2008
Flat products made of steels for pressure purposes - Part 7 : stainless steels
Classification Austenitic Stainless Steel
X6CrNiNb18-10 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni More
Minimum Value - - - - - 17 9 Nb:10×C~1
Maximum Value 0.08 1 2 0.045 0.015 19 12
◎ Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
X6CrNiNb18-10 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
H：T ≤ 13.5 +AT 520~720 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100；t: ≥60)
-196℃：
(t: ≥40)
P：T ≤ 75 +AT 500~700 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100；t: ≥60)
-196℃：
(t: ≥40)
◎ C-Cold rolled strip；H-Hot rolled strip；P-Hot rolled plate；T-Thickness；t-transverse；l-Longitudinal
◎ +A=annealed；+AT=solution annealed；+QT = quenched and tempered；+RA=recrystallizing annealed condition
X6CrNiNb18-10 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X6CrNiNb 18-10 1.4550
2 EN 10296-2-2005
X6CrNiNb18-10 1.4550
3 EN 10253-4-2003
X6CrNiNb18-10 1.4550
4 EN 10250-4-1999
X6CrNiNb 18-10 1.4550
5 ISO TS 15510-2003
X6CrNiNb18-10
6 EN 10088-2-2005
X6CrNiNb18-10 1.4550
7 DIN 17440-1972
X6CrNiNb 18-10 X10CrNiNb 18-9 1.4550
8 EN 10088-3-2005
X6CrNiNb 18-10 1.4550
9 ISO 9327(-5)-1999
X6CrNiNb18-10 (F50)
10 EN 10088-3-2014
X6CrNiNb 18-10 1.4550
11 ISO 15510-2014
X6CrNiNb18-10 4550-347-00-I
12 ISO 9328-7-2018
X6CrNiNb18-10
13 DIN EN 10088-3-2014
X6CrNiNb 18-10 1.4550
14 NF EN 10088-2-2005
X6CrNiNb18-10 1.4550
15 NF EN 10088-1-2005
X6CrNiNb18-10 1.4550
16 NF EN 10028-7-2008
X6CrNiNb18-10 1.4550
17 NF EN 10296-2-2005
X6CrNiNb18-10 1.4550
18 NF EN 10028-7-2000
X6CrNiNb18-10 1.4550
19 DIN EN 10296-2-2006
X6CrNiNb18-10 1.4550

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