logo
call-icon
Enquiry Now

SUS303

  • Home
  • Product
  • SUS303

SUS303

Characteristics
Corrosion Resistance
Applications
Chemical Composition
Mechanical properties
International Standard Comparision Chart Stock Form And Sizes
Cold Finished Round Bars
 Peeled Round Bars
Knurled Round Bars
Hex Bars
Square Bar

Characteristics

With sulphur added to SUS304, SUS303 has the best machinability in austenitic stainless steels.
Although sulphur improves machinability, it slightly reduces corrosion resistance. Therefore, its corrosion resistance is lower than SUS304.

Density7.93

Stock Form and Sizes

◆1000mm ◎2000mm ▲3000mm ■3500mm ●4000mm ★2500mm～3990mm

Cold finished round bars Specification：JIS G4318、ASME A582、EN 1.4305

*3mm-20mm are SUS303Cu
Size 2〜8
2 2.5 3 3.5 4 4.4 5 5.3 5.5 6 6.35 7 7.1 8 8.4
    ◎   ◎   ◎     ◎   ◎   ▲  
Size 8〜15
8.95 9 9.52 10 10.8 11 11.3 12 12.7 13 14 14.3 14.6 15 15.87
  ▲   ▲   ▲   ▲   ▲ ▲     ▲  
Size 16〜24
16 16.3 17 17.3 18 18.3 19 20 20.3 21 22 22.2 23 23.3 24
▲   ▲   ▲   ▲ ▲   ▲ ▲   ▲   ▲
Size 25〜42
25 26 27 27.62 28 30 30.6 32 33 33.3 34 35 36 38 40
▲ ▲     ▲ ▲                  
Size 45～50
42 45 48 50                      
                             
Peeled round barsSpecification：JIS G4303、ASME A582、EN 1.4305
Size 8〜26
8 10 12 13 14 15 16 17 18 19 20 22 24 25 26
                    ● ● ● ●  
Size 27〜48
27 28 30 32 33 34 35 36 38 40 42 44 45 46 48
  ● ● ●     ● ● ● ● ●   ●   ●
Size 50〜140
50 55 60 65 70 75 80 85 90 95 100 110 120 130 140
● ● ● ● ● ▲ ▲ ▲ ▲ ▲ ▲        
Size 150〜250
150 160 170 180 190 200 230 250              
                             
Knurled round bars
Check / Stipe
6 8 10 12 16 18 19 20 22 24 30
◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

※Pitch　・Check　1.11　・Stripe 1.05
※Module 0.33
Please enquire about grades and sizes not in stock.
※all 2000L

Hex barsSpecification：JIS G4318、ASME A582、EN 1.4305
Size 5〜24
5.5 6 7 8 10 11 12 13 14 17 19 21 22 23 24
◎ ◎ ◎ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ★ ★ ★
Size 26〜70
26 27 29 30 32 35 36 38 41 46 50 55 60 65 70
★ ★ ★ ★ ★ ★ ★   ★ ★          
Size 75〜80
75 80                          
                             

Chemical composition

  Ni Cr Fe C Mn Si Co P S Mo Cu N Nb Ta Nb+Ta W V other
min 8.00 17.00                                
max 10.00 19.00   0.15 2.00 1.00   0.20   (0.60)                

※Above is standard values of JIS G4303. For further information, please contact us.

Mechanical properties

  Tensile Strength　N/mm² 0.2%　Yield Strength　N/mm² Elongation　％ Reduction of Area　％ Hardness
min 520 205 40 50  
max         HBW187

※Above is standard values of JIS G4303. For further information, please contact us.

International Specification Comparison chart

  Material Round bars Plates/Sheets Pipes/Tubes
Seamless Welded
JIS SUS303 G4303/G4318 G4304/G4305    
ASTM S30300 A582 A895    
ASME S30300 SA582      
DIN/EN 1.4305        

Our Export Market

We export our stainless steel and alloy steel products across the globe, trusted for our quality, reliability, and commitment to every customer.

img