Grade X1NiCrMoCu25-20-5
European Standard Steel Grade 1.4539
Corresponding Standard EN 10272-2016
Stainless steel bars for pressure purposes
Classification Austenitic Stainless Steel
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 or thickness
d or b
mm
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
≤160 530~730 Rp0.2:≥230
Rp1.0:≥260
l: ≥35 ≤230 (at 20℃):l ≥100
(at -196℃):≥60
160<d (b)≤400 530~730 Rp0.2:≥230
Rp1.0:≥260
tr: ≥30 ≤230 (at 20℃):tr ≥60
(at -196℃):≥ 60
a) Axial: l;Tangential:tr.
* The maximum HBW-values may be raised by 100 units or the tensile strength value may be raised by 200 MPa and the minimum elongation value be lowered to 20 % for bars of ≤ 35 mm thickness having a final cold deformation.
Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization France European Standard Sweden United Kingdom
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade NF EN/NF EN Numerical Grade SS BS EN/BS
015Cr21Ni26Mo5Cu2 S31782 SUS 890L 904L N08904 X1NiCrMoCu25-20-5 4539-089-04-I Z2NCDU25-20 X1NiCrMoCu25-20-5 1.4539 2562 904S13

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