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SS 303 Alloy

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Salem Stainless Steel Suppliers Pvt. Ltd.

33 - Lawyer Chenna Thambi Street, Konditope, Kondithope, Chennai, Tamil Nadu - 600079, India

Mobile : +91-9840086688

E-mail : rajesh@ssssgroup.in

Find below the search results for the material you've specified. Please note here this information is NOT to be used for design purposes, and in no event shall MSO be liable for any damages arising from the misuse of this information What alloys does SSSS Groups supply? Below is a comprehensive list of our alloys arranged by type. More detailed information can be found on each alloys specific page. All of our products are purchased to normal industry standards and come with material test reports (MTR) also known as material certifications. What product forms are available?
  • Bar
  • Plate
  • Sheet
  • Pipe
  • Pipe Fittings
  • Flanges
  • Tube
  • Weld Wire
Stainless Steel 347
  • Related Metals : Speed-E-Mac 303(tm), Project 7000 Stainless 303(tm), 303YM(tm), Project 70 303(tm), AF 303(tm)
  • Specifications : AISI 303, AMS 5640 (TYPE 1), ASTM A194 (303, 8F, 8FA), ASTM A276, ASTM A314, ASTM A320, ASTM A473, ASTM A581, ASTM A582, ASTM A895, DIN 1.4305, UNS S30300
Chemistry Data
  • Carbon : 0.15 max
  • Chromium : 17 - 19
  • Iron : Balance
  • Manganese : 2 max
  • Molybdenum : 2 max
  • Nickel : 8 - 10
  • Phosphorus : 0.2 max
  • Silicon : 1 max
  • Sulphur : 0.15 max
General Information Principal Design Features 303 is one of the most popular of all the free machining stainless steels. It offers good strength, corrosion resistance and great machinability. It will resist scaling at temperatures up to 1600 F(871 C). Applications Used in an incredibly wide variety of parts both in screw and general machining industries. Applications include hardware, fasteners, valve parts, nozzles and trim. Machinability Excellent speeds and feeds are capable with this material. The addition of sulfur causes a very brittle chip. Many companies now offer premium machinability grades, such as CarTech with their Project 70 and 7000 series. Corrosion Resistance Resistant to a variety of organic and inorganic chemicals, fresh water and atmospheric corrosion. Welding Although not recommended, welding may be performed if low temperatures are employed. Recommended filler metal is AWS E/ER312. At high temperature, the sulfur in 303 tends to precipitate at the weld boundary resulting in weak and brittle joints Hot Working Forging and upsetting may commence once the workpiece has been thoroughly heated to 2100-2300 F (1149-1260 C). It is not recommended to work this material below 1700 F (927 C). Rapid post-work cooling will optimize corrosion performance. Cold Working Minor deformation is possible with this alloy, although it is not its strong point. Type 303 Se is superior in this aspect Annealing 1850-1950 F (1010-1066 C), followed by rapid cooling is the recommended practice. Hardening This alloy does not respond to hardening by heat treatment. Cold work will raise both the hardness and strength characteristics Physical Data
  • Density (lb / cu. in.) : 0.282
  • Specific Gravity : 7.84
  • Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) : 0.12
  • Electrical Resistivity (microhm-cm (at 68 Deg F)) : 432
  • Melting Point (Deg F) : 2650
  • Modulus of Elasticity Tension : 28
Mechanical Data MSO currently has no data available for this grade.

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