JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Jiangsu Mittel Steel Industrial Limited Supply all kinds of Stainless Steel Sheet/Plate/Coil/Round ,Flat ,Angle Bar/Stainless steel Seamless pipe /welded pipe /Elbow/Flange /Galvanized Steel sheet

Manufacturer from China
Verified Supplier
11 Years
Home / Products / Stainless Steel Round Bar /

303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar

Contact Now
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Visit Website
City:wuxi
Province/State:jiangsu
Country/Region:china
Contact Person:MrGao Ben
Contact Now

303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar

Ask Latest Price
Brand Name :TISCO BAO STEEL
Model Number :303
Certification :ISO,BV,SGS
Place of Origin :China
MOQ :300KGS
Price :3.45 USD/KG
Payment Terms :L/C, T/T
Supply Ability :50000KGS
Delivery Time :14 DAYS
Packaging Details :Export Packing
Type :Round
Application :Construction,decoration,Industry,Mechineal
Standard :DIN,ASTM,AISI
Grade :300 Series
Shape :Round
Special use :Free Cutting Steel
Dimensions :5.5mm-500mm
Surface :bright,Polished
Product name :SS 303 Stainless Steel Round Bar
Technique :Polished
Length :Customers' Requirements
more
Contact Now

Add to Cart

Find Similar Videos
View Product Description

303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar

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:

% Cr Ni C Si Mn P S Mo Fe
303 min: 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
min
0.75 balance

Mechanical Properties:

Grade Tensile Strength
ksi (min.)
Yield Strength 0.2%
Offset ksi (min.)
Elongation -
% in
50 mm (min.)
Hardness
(Brinell) MAX
Hardness
(Rockwell B) MAX
303 75 30 35 228

Physical Properties:

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Electrical Resistivity mW-in Thermal Conductivity BTU/hr-ft-°F Melting
Range
at 68 °F at 68 – 212°F at 68 – 932°F at 68 – 1450°F at 68°F at 212°F at 392°F at 752°F at 1112°F at 1472°F at 68 – 212°F
0.29 9.2 10.4 10.9 28.3 30.7 33.8 39.4 43.7 47.6 113.2 2552°F

303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar

Inquiry Cart 0