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> SINOXX 4401 Steel
> 
> 
> 
> Designation by Standards
> 
> 
> 
> Brand NameRavneMat. No.DINENAISI/SAESINOXX 4401PK121.4401X5CrNiMo18-10
> †X5CrNiMo17-12-2316
> 
> 
> Chemical Composition (in weight %)
> 
> 
> 
> CSiMnCrMoNiVWOthersmax. 0.07max. 1.00max. 2.0017.502.2511.50---
> 
> 
> Description
> This austenitic stainless steel has an increased molybdenum content to
> increase its resistance to corrosion when compared to other 300 series alloys.
> It will resist scaling at temperatures up to 871oC and maintains good
> mechanical properties and ductility.
> 
> Applications
> Widely used in industry, it was initially designed for paper mill machinery.
> It has been used in marine environments and a wide variety of general
> industrial components. Component parts for the cellulose, paper, oil, soap and
> textile industry, production of paints, meat processing industry, breweries,
> dairies and for surgical instruments.
> 
> Physical properties (average values) at ambient temperature
> Modulus of elasticity [103 x N/mm2]: 200, 186 (200oC), 172(400oC)
> Density [g/cm3]: 7.98
> Thermal conductivity [W/m.K]: 15.0
> Electric resistivity [Ohm mm2/m]: 0.75
> Specific heat capacity[J/g.K]: 0.50
> 
> Coefficient of Linear Thermal Expansion 10-6 oC-1
> 
> 
> 
> 20-100oC20-200oC20-300oC20-400oC20-500oC16.517.517.518.518.5
> 
> 
> Hardening
> Harden from a temperature of 1020-1100oC followed by water or oil quenching.
> Structure is austenite with small ferrite component.
> 
> Mechanical properties in solution-annealed condition and resistance to
> intercrystalline corrosion
> 0.2 % proof stress: 200 N/mm2 (for d<=160, 160<d<=250)
> 1.0 % proof stress: 235 N/mm2 (for d<=160, 160<d<=250)
> Tensile strength: 500-700 N/mm2
> Elongation: 40% (for d<=160, longit.), 30% (for 160<d<=250, transv.)
> Notch impact energy (ISO-V): 100 J (for d<=160, longit.), 60 J (for
> 160<d<=250, transv.) Resistance to interystalline corrosion: yes (in as
> delivered condition), no (in sensitised condition)
> Note: Sensitisation treatment for 15 min at 700oC with subsequent cooling in
> air.
> 
> Mechanical Properties At Elevated Temperatures
> 
> 
> 
> Temperature100oC150oC200oC250oC300oC350oC400oC450oC500oC550oC0.2 % proof
> stress in N/mm21751581451351271201151121101081.0 % proof stress in
> N/mm2210190175165155150145141139137
> 
> 
> Forging
> Hot forming temperature: 1200-900oC.
> 
> Machinability
> Low speeds and constant feeds will minimize this alloy's tendency to work
> harden. Tougher than 304 stainless with a long stringy chip, the use of chip
> breakers is recommended.
> 
> Corrosion Resistance
> Resistant to a wide variety of marine environments, salts, dilute nitric,
> acetic and sulfuric acids.
> 
> Welding
> All common fusion and resistance methods except oxyacetylene welding have
> proven successful. Use AWS E/ER316 or 316L filler metal for best results.
> 
> Cold working
> Shearing, stamping, heading and drawing can be successfully performed . To
> remove internal stresses, a post-work annealing is recommended.
> 
> Forms manufactured: Please see the Dimensional Sales Program.
> 
> Disclaimer
> The information and data presented herein are typical or average values and
> are not a guarantee of maximum or minimum values. Applications specifically
> suggested for material described herein are made solely for the purpose of
> illustration to enable the reader to make his own evaluation and are not
> intended as warranties, either express or implied, of fitness for these or
> other purposes. There is no representation that the recipient of this
> literature will receive updated editions as the become available.
> 
> Unless otherwise specified, registered trademarks are property of SIJ Metal
> Ravne company. Copyright 2022 by SIJ Metal Ravne d.o.o. All rights reserved.
> Contact our Sales Office for more information.



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