Material No.: S 32760

DescriptionChemical
composition		Physical
mechanical
properties		Temparature
information		StandardsProcess
information		Application
Certification		ProductsAll

Description

EN symbol (short)X2CrNiMoWCuWN 25-7-4
Material No.1.4501
AFNORX2CrNiMoWCuWN 25-7-4 / NF EN 10088-2 (06/2005) (FR)
BSX2CrNiMoWCuWN 25-7-4 /B.S. EN 10088-2 (06/2005) (GB
Registered work's labelZeron 100
Density lkg/dm37,8
Hardness (HB30)<=230
Compositionchromium nickel molybdenium steels
CategoryStainless steels
steel, resistant to rust and acids
Structureaustenitic
ferritic
Super duplex
Corrosionresistant to intercrystalline corrosion

Chemical Composition

 CCrMoCuMnNPSSiWNiFe
S 32760Min % 24,003,00,5 0,20   0,506,00balance
Max %0,03026,004,01,01,00,300,0300,0101,001,008,00balance
UNS 32760
1.4501Min % 24,003,000,50 0,20   0,506,00 
Max %0,0326,004,001,001,000,300,0350,0151,01,008,00 
(Key to steel 2010)

Physical properties

PropertyValue
Density: lkg/dm37,8
Hardness: (HB30)<=230
magnetizableyes
Temperature T
°C/F
(°C/F)		Specific heat
J / kgK
(Btu / lb °F)		Thermal conductivity
W/mK
(Btu·in / ft2·h·°F)		Electric resistance
µΩ · cm
(Ω circ mill / ft)		Modulus of elasticity
kN/mm2
(103 ksi)		Expansion rate from 70°F bis T
10-6 / K
(10-6 / °F)
20 /68500 (--)15 (--) 200 (--) 
100 / 212   194 (--)13,0 (--)
200 / 392   186 (--)13,5 (--)
300 / 572   180 (--)14,0 (--)
Temperature0,2% Yield strength
in high temperatures
°FRp 0,2
MpA /ksi
20 / 68550 / 79,7
100 / 212450 / 62,2
200 /392400 / 58,0
250 / 482380 / 55,1

Mechanical properties (20°C / 68°F)

Dehngrenze>=550/ >=79,7
Dehngrenze>=640/ >=92,8
Zugfestigkeit800-1000/116,0-145,0
Bruchdehnung<=20
Schlagarbeit ISO-V>=40/>=100transverse/lenghtwise
(Mittelwert von 3 Proben) 

Temparature information

Solution heat treatment
Working temperature1904 ºF  to 2048 ºF 
Explanation reportcool down: water
Solution heat treatment
Working temperature1832 ºF  to 2192 ºF 
Explanation reportcool down : air

Standards / information

StandardsDesciption
ASTM A 182Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges,Forged Fittings and Valves and Parts for High-Temperature Service
ASTM A 276 Rods and cross-sections made of stainless and heat-resistant steel
ASTM A 479Rods and cross-sections made of stainless and heat-resistant steel used in boilers and other pressure tanks
DIN EN 10088-3 (09/2005)stainless steels.Technical delivery conditions for semi-finished products,bars,rods,wire selection and bright products of corrosion resisting steels for general and construction purposes

Process information

Welding
 - Typemanual arc welding
MAG cored wire
MAG solid wire
submerged arc welding
WIG
 - Add. material1.4501
 - Hintspre-heat 212°F (>10mm)

Main fields of application

Details of applicationgood mechanical properties with high corrosion resistance
Certificationslisted in NACE Mr 01-75 for sour service
Chemical Industryzur Verarbeitung von Salpetersäure
Oil field and geothermal applications
Environmental technologyAbwasseranlagen
Paper and pulp industryverschiedene Komponenten

Range of products

Product typeProduct
Plates / Sheetsplates/sheets
plate/sheet cuts
Fittingswelded elbows
welded reductions
Welded T-pieces
seamless elbows
seamless reductions
seamless T-pieces
Other Fittings a.o. Weldolets, Nipples
Pipes / Tubeswelded pipes/tubes
seamless pipes/tubes
Bar steelround bar steel

Liability exclusion

All aforementioned specifications serve as a general orientation and have to be reviewed depending on the conditions of use.
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