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Home > Standard > 1.4401, DIN X5CrNiMo17122, AISI 316 standard

1.4401, DIN X5CrNiMo17122, AISI 316

1.4401, DIN X5CrNiMo17122, AISI 316 standard Download, We provide the main countries around the ISO standard download, including: AISI(US),UNS(US),SAE(US),ASTM(US),AMS(US),ASME(US),MIL(US),FED(US),DIN(DEU),JIS(JPN),AFNOR(FR),B.S.(UK),SS(SWE),UNI(ITA).

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 1.4401, DIN X5CrNiMo17122, AISI 316

Designation by Standards

 

Brand Name LH No. Mat. No. DIN EN AISI
PK12 915 1.4401 X5CrNiMo17122 X5CrnNiMo17122 316



Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
max. 0.07 max. 1.00 max. 2.00 17.50 2.25 11.50 - - -



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 (avarage 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

20-100oC 20-200oC 20-300oC 20-400oC 20-500oC
16.5 17.5 17.5 18.5 18.5



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 reistance 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

Temperature 100oC 150oC 200oC 250oC 300oC 350oC 400oC 450oC 500oC 550oC
0.2 % proof stress in N/mm2 175 158 145 135 127 120 115 112 110 108
1.0 % proof stress in N/mm2 210 190 175 165 155 150 145 141 139 137

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.

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