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

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China JIANGSU MITTEL STEEL INDUSTRIAL LIMITED certification
China JIANGSU MITTEL STEEL INDUSTRIAL LIMITED certification
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this is the second order l buy this company ,quality is very good ,same as europure quality .we will go on ccooperate with this company .

—— Andrew Greg - Turkey

200 ton Stainless steel sheet is arrived on 10th Oct 2014 , the quality is very good.,deliver time is very fast It's very lucky we find this factory

—— Mechile Kilar Chard - Brazial

We Have Cooperate With this Factory Many Years , Everything Goes Very Well.l Like This Factory !

—— Tony Hilton - Poland

This is Our Thrid Time Buy from Mittel,Quality is Very Goods ,We Are Glad to Find This Reliable Factory

—— Natalya Ugay-Russia

Quality is very good and delivery time very fast ,we want to do long terms business with this company

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

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

Large Image :  303 Stainless Steel Round Bar Bright Rod Free Cutting SUS303 Stainless Steel Bar

Product Details:
Place of Origin: China
Brand Name: TISCO BAO STEEL
Model Number: 303
Payment & Shipping Terms:
Minimum Order Quantity: 300KGS
Price: 3.45 USD/KG
Packaging Details: Export Packing
Delivery Time: 14 DAYS
Payment Terms: L/C, T/T
Supply Ability: 50000KGS

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

Description
Certification: ISO,BV,SGS 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
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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

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Contact Details
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Contact Person: Mr. Gao Ben

Tel: +86-18068357371

Fax: 86-0510-88680060

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