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Stainless Steel Specification

What is Stainless Steel Casting?

Stainless steel casting, or stainless steel investment casting, is the lost wax investment casting process by pouring melton stainless steel into moulds for solidification, thus to achieve a solid stainless steel component in desired shape.

Stainless steel casting is considered when both the properties of steel and corrosion resistance are required. So like other cast steel alloys, stainless steel is widely used material for casting production.

Common Material Grades of Stainless Steel Casting

304 The most widely used austenite steel, may be referred to as A2 stainless.
304L This grade has slightly lower mechanical properties than the standard 304 grade, but is still widely used in casting for its versatility
316 The second most common austenite steel, also referred to as A4 stainless. SS316 is used primarily for its increased resistance to corrosion.
316L Lower carbon content than 316 stainless steel, which reduces the sensitization effect caused by the high temperatures involved in welding. Besides, it shows better resistance to stress-corrosion cracking.
PH17-4 Most common precipitation-hardening martensitic stainless steel, which uses about 17% chromium and 4% nickel.
2205 Duplex Used for its good mechanical properties and excellent corrosion resistance properties.
    C Si Mn P S Ni Cr Mo Cu N
S35650 53Cr21Mn9Ni4N 0.48-0.58 0.35 8.00-10.00 0.040 0.030 3.25-4.50 20.00-22.00 - - 0.35-0.50
S35750 26Cr18Mn12Si2N 0.22-0.30 1.40-2.20 10.50-12.50 0.050 0.030 - 17.00-19.00 - - 0.22-0.33
S35850 22Cr20Mn10Ni2Si2N 0.17-0.26 1.80-2.70 8.50-11.00 0.050 0.030 2.00-3.00 18.00-21.00 - - 0.20-0.30
S30408 06Cr19Ni10 0.08 1.00 2.00 0.045 0.030 8.00-11.00 18.00-20.00 - - -
S30850 22Cr21Ni12N 0.15-0.28 0.75-1.25 1.00-1.60 0.040 0.030 10.50-12.50 20.00-22.00 - - 0.15-0.30
S30920 16Cr23Ni13 0.20 1.00 2.00 0.040 0.030 12.00-15.00 22.00-24.00 - - -
S30908 06Cr23Ni13 0.08 1.00 2.00 0.045 0.030 12.00-15.00 22.00-24.00 - - -
S31020 20Cr25Ni20 0.25 1.50 2.00 0.040 0.030 19.00-22.00 24.00-26.00 - - -
S31008 06Cr25Ni20 0.08 1.50 2.00 0.040 0.030 19.00-22.00 24.00-26.00 - - -
S31608 06Cr17Ni12Mo2 0.08 1.00 2.00 0.045 0.030 10.00-14.00 16.00-18.00 2.00-3.00 - -

 

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