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Grade X5CrNiCuNb 16-4
European Standard Steel Grade 1.4542
Corresponding Standard EN 10088-1-2005
Staehle Stainless steels. Part 1:List of stainless steels
Classification Precipitation-Hardening Stainless Steel
Properties Corrosion Resistance
Density 7.8 g/cm3
X5CrNiCuNb 16-4 Chemical Element Composition Content (%)
Component C ⓒ Si Mn P S ⓑ Cr Ni Cu Mo More
Minimum Value - - - - - 15 3 3 - Nb：5xC~0.45
Maximum Value 0.07 0.7 1.5 0.04 0.015 17 5 5 0.6
① Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate 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.
1 Approximate Comparison Table Precipitation Hardening Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
05Cr17Ni4Cu4Nb
(0Cr17Ni4Cu4Nb) 		S51740 630 SUS 630 STS 630 630 S17400 X5CrNiCuNb 16-4
1
(ISO 683-13-1986) 		4542-174-00-I X5CrNiCuNb 17-4 1.4542 Z6CNU 17-04 X5CrNiCuNb 16-4 1.4542
2 Approximate Comparison Table Precipitation Hardening Heat-Resistant Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
05Cr17Ni4Cu4Nb
(0Cr17Ni4Cu4Nb) 		S51740 630 SUS 630 STS 630 630 S17400 X5CrNiCuNb 16-4 X5CrNiCuNb 17-4 1.4542 Z6CNU 17-04 X5CrNiCuNb 16-4 1.4542
X5CrNiCuNb16-4 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X5CrNiCuNb 16-4 1.4542
2 EN 10250-4-1999
X5CrNiCuNb 16-4 1.4542
3 ISO TS 15510-2003
X5CrNiCuNb16-4
4 EN 10088-3-2005
X5CrNiCuNb 16-4 1.4542
5 EN 10088-3-2014
X5CrNiCuNb 16-4 1.4542
6 ISO 15510-2014
X5CrNiCuNb16-4 4542-174-00-I
7 DIN EN 10088-3-2014
X5CrNiCuNb 16-4 1.4542
8 ISO 683-18-2014
X5CrNiCuNb16-4 4542-174-00-1
9 NF EN 10088-2-2005
X5CrNiCuNb16-4 1.4542
10 NF EN 10088-1-2005
X5CrNiCuNb16-4 1.4542

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