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303Cu Stainless Steel Round Bar Diameter 5 - 250mm AISI303CU Soft Annealing Stainless Rod

Categories Stainless Steel Bar
Brand Name: DELTA
Model Number: 201 304 316L 316Ti 317L 321 309S 310S 2205 17-4PH XM-19
Certification: ISO
Place of Origin: China
MOQ: 500 kgs
Price: 2400 - 3500 USD/Ton
Payment Terms: L/C, T/T, Western Union
Supply Ability: 20Ton per week
Delivery Time: 5 - 12 days based on the quantity
Packaging Details: standard packing for export
Shape: round
Standard: ASTM EN GB JIS
Grade: 201 304 316L 316Ti 309S 310S 317L 321 329 2205 2507.etc
Application: Construction,Industry,surgical tools,seawater equipment.,kitchenware
Length: Customers' Requirements,5.8m,6m,2m-6m,or as required
Size: custom as request
Packing: Standard Seaworthy Package,In wooden cases(for FCL/ LCL shipment)
Service: Cutting, surface finishing
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303Cu Stainless Steel Round Bar Diameter 5 - 250mm AISI303CU Soft Annealing Stainless Rod

303Cu Stainless Steel Round Bar Diameter 5 - 250mm AISI303CU Soft Annealing Stainless Rod

ProductsStainless Steel Bar
Grade303Cu
Diameter5 - 350mm
Length6m or custom cutting any length as request
FinishingBright Bar / Black Surface
Heat TreatmentSolid Solution , ageing
Surface ProcessPolishing , Peeling
Other Grade

201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431

2205 2507 904L 254SMO 416 431 440A/B/C.etc

MOQ500 Kgs
Loading PortShanghai Port
ProcessingCutting
PackingWooden box or wrapping by PP bag

GENERAL PROPERTIES

Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment. It is the free machining modification of the basic 18% chromium / 8% nickel stainless steel. Alloy 303 was specially designed to exhibit improved machinability while maintaining good mechanical and corrosion resistant properties Due to the presence of sulfur in the steel composition, Alloy 303 is the most readily machineable austenitic stainless steel; however, the sulfur addition does lower Alloy 303’s corrosion resistance to below that of Alloy 304. Like other austenitic grades, Alloy 303 demonstrates excellent toughness, although the sulfur does reduce this a little as well.

APPLICATIONS

Alloy 303 is frequently used in applications that require parts to be heavily machined. Some examples include:

  • Nuts and bolts
  • Aircraft fittings
  • Gears
  • Screws
  • Shafts
  • Electrical switchgear components
  • Bushings

STANDARDS – ALLOY 303

ASTM/ASME ……………. UNS S30300

EURONORM ……………. FeMi35Cr20Cu4Mo2

DIN ………………………… 2.4660

CORROSION RESISTANCE

  • Good resistance to mildly corrosive atmospheres, but significantly less than Alloy 304
  • When additional sulfur is added to improve machinability, it can often slightly reduce corrosion resistance
  • In most dry and mild corrosive environments, Alloy 303 is comparable to other unmodified alloys
  • Should not be exposed to moist, marine environments as it is subject to rapid-pitting corrosion and a rust film will tend to form
  • Like other common austenitic stainless steels, it is subject to corrosion cracking in chloride environments above 60oC

HEAT RESISTANCE

  • Good oxidation resistance at temperatures up to 1700oF (927 oC)
  • Continuous use at temperatures above 1400oF (760oC) is not usually recommended due to carbide precipitation which can lead to irregular scaling
  • Does not have a low carbon content so it is also vulnerable to sensitisation

WELDING CHARACTERISTICS

  • Not generally recommended, but may be welded with some difficulty
  • May be welded with Alloy 310 electrodes
  • Should be annealed after welding to re-dissolve precipitated carbides

MACHINABILITY

  • High machining rates can be obtained in the annealed condition with hardness in the range of 200 to 240 Brinell
  • Will work harden, therefore, it should be machined at reduced surface feet per minute and heavier feeds to prevent glazing at the tool interface.

Chemical Properties:

%CrNiCSiMnPSMoFe
303min: 17.0
max:19.0
min: 8.0
max: 10.0
0.15
max
1.00
max
2.0
max
0.20
max
0.15 min0.75balance

Mechanical Properties:

GradeTensile Strength
ksi (min.)
Yield Strength 0.2%
Offset ksi (min.)
Elongation -
% in
50 mm (min.)
Hardness
(Brinell) MAX
Hardness
(Rockwell B) MAX
303753035228

Physical Properties:

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Electrical Resistivity mW-in
at 68 °Fat 68 – 212°Fat 68 – 932°Fat 68 – 1450°Fat 68°Fat 212°Fat 392°Fat 752°F
0.299.210.410.928.330.733.83


Quality 303Cu Stainless Steel Round Bar Diameter 5 - 250mm AISI303CU Soft Annealing Stainless Rod for sale
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