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Grade X1NiCrMoCu25- 20-5
Germany W-Nr. 1.4539
Corresponding Standard DIN EN 10270-3-2012
Steel wire for mechanical springs – Part 3: Stainless spring steel wire
Classification Austenitic Stainless Steel
Properties Elasticity Corrosion Resistance
X1NiCrMoCu25- 20-5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 19 24 1.2 4 -
Maximum Value 0.02 0.7 2 0.03 0.01 21 26 2 5 0.15
X1NiCrMoCu25- 20-5 Mechanical Properties
diameter
d
mm		 Tensile Strength
σb
Mpa
d ≤ 0.2 1640~1840
0.2 <d≤ 0.3 1550~1790
0.3<d≤ 0.4 1550~1790
0.4<d≤ 0.5 1500~1750
0.5<d≤ 0.65 1450~1670
0.65<d≤ 0.8 1450~1670
0.8<d≤ 1 1400~1610
1<d≤ 1.25 1350~1560
1.25<d≤ 1.5 1350~1560
1.5<d≤ 1.75 1300~1500
1.75<d≤ 2 1300~1500
2<d≤ 2.5 1300~1500
2.5<d≤ 3 1300~1500
3<d≤ 3.5 1300~1500
3.5<d≤ 4.25 1250~1440
4.25<d≤ 5 1250~1440
5<d≤ 6 1250~1440
6<d≤ 7 1200~1380
7<d≤ 8.5 1150~1330
Approximate Comparison Table
China Japan United States Germany
GB JIS UNS W-Nr.
00Cr20Ni25Mo4.5Cu2N SUS904L S39042 1.4539
X1NiCrMoCu25-20-5 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X1NiCrMoCu 25-20-5 1.4539
2 EN 10296-2-2005
X1NiCrMoCu25-20-5 1.4539
3 EN 10253-4-2003
X1NiCrMoCu25-20-5 1.4539
4 EN 10250-4-1999
X1NiCrMoCu 25-20-5 1.4539
5 ISO TS 15510-2003
X1NiCrMoCu25-20-5
6 EN 10088-3-2005
X1NiCrMoCu 25-20-5 1.4539
7 EN 10088-3-2014
X1NiCrMoCu25-20-5 1.4539
8 ISO 15510-2014
X1NiCrMoCu25-20-5 4539-089-04-I
9 ISO 9328-7-2018
X1NiCrMoCu25-20-5
10 DIN EN 10088-3-2014
X1NiCrMoCu25-20-5 1.4539
11 DIN EN 10270-3-2012
X1NiCrMoCu25- 20-5 1.4539
12 ISO 683-18-2014
X1NiCrMoCu25-20-5 4539-089-04-I
13 NF EN 10088-2-2005
X1NiCrMoCu25-20-5 1.4539
14 NF EN 10088-1-2005
X1NiCrMoCu25-20-5 1.4539
15 NF EN 10028-7-2008
X1NiCrMoCu25-20-5 1.4539
16 NF EN 10296-2-2005
X1NiCrMoCu25-20-5 1.4539
17 NF EN 10028-7-2000
X1NiCrMoCu25-20-5 1.4539
18 DIN EN 10296-2-2006
X1NiCrMoCu25-20-5 1.4539

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