COSTA STEEL

Integrated & International Steel Supplier

Stainless Steel Bar

Costa Steel Operates Stainless Steel round bar,bright bar, Special Profile bar.  200 series,300 series and 400 series, age hardening stainless steel are our main products which are abroadly applied in many  fields,such as the CNC lathe, automatic lathe, ship shaft,pump spindle , military industry, precision hardware,etc.


  Main Products Description

Products

Main steel grade

Size (mm)

Length(mm)

Standard

Hot rolling bar

303 303Cu 304 316 310S

15-180

4000-7500

JIS ASTM DIN

321 410 420 416

17-4PH 201Cu

Peeling bar

303 303Cu 304/L

15-100

3000-7500

JIS ASTM DIN

316/L 310S 321

416 17-4PH 201Cu

CD

Round

303 303Cu 304/L 316/L

2-90

3000-7500

JIS ASTM DIN

321 416 17-4PH 201Cu

Square

303Cu 304/L 316/L

5-50

3000-7500

JIS ASTM DIN

321 416 420 201Cu

Hexagon

303 303Cu 304/L 316/L

5-50

3000-7500

JIS ASTM DIN

321 416 201Cu

CG bar

303 303Cu 304/L 316/L

2-90

3000-7500

JIS ASTM DIN

321 416 17-4PH 201Cu

 

 Chemical Composition Table

Steel Grade

C

Si

Mn

P

S

Cr

Ni

Mo

Cu

304L

0.03

0.75

2

0.045

0.03

18.0/20.0

8.0/10.5

0.6

0.5

304HC

0.08

0.75

2

0.045

0.03

17.0/19.0

8.0/10.5

0.6

1.0/3.0

316L

0.03

0.75

2

0.045

0.03

16.0/18.0

10.0/14.0

2.0/3.0

0.5

321

0.08

0.75

2

0.045

0.03

17.0/19.0

9.0/12.0

0.6

0.5

416

0.15

1

1.25

0.06

0.15

12.0/14.0

--

--

--

303

0.15

1

2

0.2

0.15

17.0/19.0

8.0/10.0

0.6

0.5

17-4PH

0.07

0.75

1

0.04

0.03

15.5/17.5

3.0/5.0

0.6

3.0/5.0

204Cu

0.15

1

6.5/9

0.06

0.03

15.5/17.5

1.5/3.5

--

2.0/4.0


.Remarks:  304/304L/316/316L cold drawing bar are used in machine work .if the content of S is greater or equal to 0.015%. Steel grade is good performance in machinability. 17-4PH can not be cold drawing generally. Heat treatment can make reach the mechanical properties as chart 9 mechanical properties of clod drawing products











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