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Home Material GB /T 24511-2017
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Grade 03Cr25Ni6Mo3Cu2N
China ISC S25554
Corresponding Standard GB /T 24511-2017
Stainless Steel and Heat Resisting Steel Plate, Sheet and Strip for Pressure Equipments
Classification Duplex Stainless Steel
Density 7.8 g/cm3
03Cr25Ni6Mo3Cu2N Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 24 4.5 1.5 2.9 0.1
Maximum Value 0.04 1 1.5 0.03 0.015 27 6.5 2.5 3.9 0.25
03Cr25Ni6Mo3Cu2N Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Steel: Solid Solution Treatment ≥760 ≥550 ≥20
①		 HBW：≤302
HRC：≤32
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
03Cr25Ni6Mo3Cu2N S25554 329J4L SUS 329J4L STS 329J4L 255 S32550 X2CrNiMoCuN 25-6-3 X2CrNiMoCuN 25-6-3 1.4507 X2CrNiMoCuN 25-6-3 X2CrNiMoCuN 25-6-3 1.4507
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States International Organization for Standardization European Standard
ISC UNS ISO Numerical Grade Numerical Grade
S25554 S32550 X3CrNiMoCuN26-6-3-2 4507-325-50-X 1.4507
03Cr25Ni6Mo3Cu2N Corresponding Standards(Same grade name, different standards)
1 GB /T 31303-2014
03Cr25Ni6Mo3Cu2N S25554 alloy 255 FERRALIUM
2 GB /T 20878-2007
03Cr25Ni6Mo3Cu2N S25554
3 GB /T 1220-2007
03Cr25Ni6Mo3Cu2N S25554
4 GB /T 21833-2008
03Cr25Ni6Mo3Cu2N S25554 alloy 255 FERRALIUM
5 GB /T 4356-2016
03Cr25Ni6Mo3Cu2N S25554
6 GB /T 3280-2015
03Cr25Ni6Mo3Cu2N S25554
7 GB /T 4237-2015
03Cr25Ni6Mo3Cu2N S25554
8 GB /T 24511-2017
03Cr25Ni6Mo3Cu2N S25554
9 GB /T 20878-2024
03Cr25Ni6Mo3Cu2N S25554

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