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S32750 Supper Duplex Steel Pipe

Seamless & Welded.
Cold Drawing, Cold Rolling, ERW, EFW, SAW, SSAW.
Equivalent Materials: S32750, SAF 2507, F53, 1.4410, X2CrNiMoN25-7-4.
Standard: ASTM A789, ASTM A790, DIN 17458, GOST 9941-81.
Description

What is S32750 Super Duplex Stainless Steel ?

The higher chromium and molybdenum content of S32750 super duplex steel makes it have strong resistance to overall corrosion of organic acids such as formic acid and acetic acid. S32750 super duplex steel also has strong corrosion resistance to inorganic acids, especially those containing chlorides. S32750 super duplex steel is used in dilute hydrochloric acid environment and has strong resistance to pitting corrosion and crevice corrosion.


Equivalent Materials of S32750 Super Duplex Stainless Steel :


UNS
No


Grade

Japanese

British

DIN

JIS

BS

Number

Name

S32750

2507

-

-

1.4410

X2CrNiMoN25-7-4

S32250

2205

SUS 329J3L

318S13

1.4462

X2CrNiMoN22-5-3


S32750 Super Duplex Stainless Steel Chemical Compositions Analysis:

Weight % (all values are maximum unless a range is otherwise indicated)

UNS

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

Other

S32750

2507

0.030

1.20

0.80

0.035

0.020

24.0-26.0

3.0-5.0

6.0-8.0

0.24-0.32

0.50 Cu

S32205

2205

0.03

2.00

1.00

0.030

0.020

22.0-23.0

3.0-3.5

4.5-6.5

0.14-0.20

 


S32750 Super Duplex Stainless Steel Pipe & Tube Description:

Out Diameter(OD):

NPS 1/8"-3/4”-3”-6”-12”-20”-40”-80", DN6--DN200--DN500. 4mm-21.3-48.3-168.3-355.6-508-762, 0.375", 0.5", 1", 1.25".

Wall Thickness(W.T.):

0.7mm-20mm, Sch5S, SCH10S, SCH20, SCH40, Sch80, Sch XXS,

 0.035”, 0.065”, 0.083”, 0.89mm, 1.2mm, 1.65mm, BWG, SWG.

Length(L):

Fixed 6 meters, or other Length as Specified.

End:

Plain End, Bevel End.

Delivery Condition:

Annealed and Pickled, Bright Annealed, Polished(400#,600#), Hairline.

Inspection:

100% PMI, Hydrostatic Test, Eddy Current, Ultrasonic, X-Ray, Penetrant Test.

Mechanical Test:

Tension Test, Flattening Test, Flaring Test, Hardness Test, Impact Test.

Tolerance:

According to the Production Standard.

Packing:

By Bundles, Plywood Cases.

Marking:

YASE PIPELINE, Material Grade, Standard, Specification, Heat No., Lot No.

Mill Test Certificate:

According to EN 10204 3.2

Production Time:

2-30 Days, or up to the quantity.

Shipping:

By Sea, By Air, By Express.

MOQ:

1000KGS.

Sample:

Free samples but freight charge paid by customer.

Customized:

Available.


YASE PIPELINE Manufacturing S32750 Duplex Stainless Steel Products:

S32750 Stainless Steel Tubes & Pipes

S32750 Stainless Steel Seamless Pipe & Tubes

S32750 Stainless Steel Welded Pipe & Tubes

S32750 ERW/EFW Stainless Steel Pipe

S32750 Cold Drawing Seamless Stainless Steel Pipe

S32750 Cold Rolling Seamless Stainless Steel Pipe

S32750 Stainless Steel Boiler Tube

S32750 Stainless Steel Furnace Tube

S32750 Stainless Steel Square & Rectangle Tube

S32750 Stainless Steel Heat Exchanger Tube

S32750 Large Diameter Stainless Steel Pipe

S32750 Heavy Wall thickness Stainless Pipe


S32750 Super Duplex Stainless Steel Mechanical Properties:

Typical Values at 68°F (20℃)

UNS No

Grade

Tensile Strength (MPa) min

Yield Strength (MPa) min

Hardness Max

Rockwell (HR B)

Brinell (HB)

S32750

2507

795

550

32HRC

310

S32205

2205

620

450

31HRC

293


S32750 Super Duplex Stainless Steel Physical Properties:

UNS No.

Grade

Density kg/m3


Elastic Modulus
(a) GPa



Mean Coefficient of
Thermal Expansion (b)



Thermal
Conductivity



Specific Heat
0-100°C
J/kg.K


Elect. Resis- tivity nΩ.m


0-100°C
μm/m/°C



0-315°C
μm/m/°C



0-538°C
μm/m/°C



at 100°C
W/m.K



at 500°C
W/m.K


S32750

2507

7800

200

13.0

14.0

-

17.0

-

470

-

S32205

2205

7805

200

13.7

14.7

-

19.0

-

450

850


S32750 Super Duplex Stainless Steel : 

After suitable solution treatment of S32750 duplex steel, the microstructure of this steel has an ideal dual-phase structure with a ratio of α/γ of about 50/50. When the solution temperature is above 1050 °C, the number of ferrite phases in the steel will increase with the increase of temperature, but due to the high nitrogen content, the phase ratio of the steel below 1300 °C will not change significantly. If the steel is not aged at different temperatures (or affected by heat), γ2 will form on the α+γ matrix and oxides such as δ, χ, R, α` intermetallic phases and Cr2N will be precipitated. Due to the carbon content in the steel Low (generally 0.01%-0.02%), so there are generally no carbides in the steel.

The lower carbon content of S32750 greatly reduces the risk of intergranular carbide precipitation during heat treatment, therefore, this alloy is highly resistant to carbide-related intergranular corrosion.


S32750 Super Duplex Stainless Steel Pipe Dimension Chart :


Nominal 
Pipe Size


Outside Diameter (mm)

Nominal Wall Thickness Schedule (mm)

NPS

DN

OD


SCH
5s



SCH
l0s



SCH
40s


STD

SCH 40


SCH
80s


SCH XS

SCH 80

SCH XS

1/8

6

10.3

-

1.24

1.73

1.73

1.73

2.41

2.41

2.41

2.41

1/4

8

13.7

-

1.65

2.24

2.24

2.24

3.02

3.02

3.02

3.02

3/8

10

17.1

-

1.65

2.31

2,31

2.31

3.2

3.2

3.2

3.2

1/2

15

21.3

1.65

2.11

2.77

2.77

2.77

3.73

3.73

3.73

3.73

3/4

20

26.7

1.65

2.11

2.87

2.87

2.87

3.91

3.91

3.91

3.91

1

25

33.4

1.65

2.77

3.38

3.38

3.38

4.55

4.55

4.55

4.55

1 1/4

32

42.2

1.65

2.77

3.56

3.56

3,56

4.85

4.85

4.85

4.85

1 1/2

40

48.3

1.65

2.77

3.68

3.68

3.68

5.08

5.08

5.08

5.08

2

50

60.3

1.65

2.77

3.91

3.91

3.91

5.54

5.54

5.54

5.54

2 1/2

65

73

2.11

3.05

5.16

5.16

5.16

7.01

7.01

7.01

7.01

3

80

88.9

2.11

3.05

5.49

5.49

5.49

7.62

7.62

7.62

7.62

3 1/2

90

101.6

2.11

3.05

5.74

5.74

5.74

8.08

8.08

8.08

8.08

4

100

114.3

2.11

3.05

6.02

6.02

6.02

8.56

8.56

8.56

8.56

5

125

141.3

2.77

3.4

6.55

6.55

6.55

9.53

9,53

9.53

9,53

6

150

168.3

2.77

3.4

7.11

7.11

7.11

10.97

10.97

10.97

10.97

8

200

219.1

2.77

3.76

8.18

8.18

8.18

12.7

12.7

12.7

12.7

10

250

273.1

3.4

4.19

9.27

9.27

9.27

12.7

12.7

15.09

12.7

12

300

323.9

3.96

4.57

9.53

9.53

10.31

12.7

12.7

17.48

12.7

14

350

355.6

3.96

4.78

-

9.53

11.13

-

12.7

19.05

12.7

16

400

406.4

4.19

4.78

-

9.53

12.7

-

12.7

21.44

12.7

18

450

457.2

4.19

4.78

-

9.53

14.27

-

12.7

23.83

12.7

20

500

508

4.78

5.54

-

9.53

15.09

-

12.7

26.19

12.7


S32750 Super Duplex Stainless Steel Tube Dimension Chart :

Outside Diameter

Birmingham Wire Gauge (BWG)

20

18

16

15

14

13

Inch

Mm

 

 

 

 

 

 

(0.889 Mm)

(1.245 Mm)

(1.651 Mm)

(1.829 Mm)

(2.108 Mm)

(2.413 Mm)

Weight, Kg/M (Average Wall  )

 1/4

0.25

6.35

0.12

0.16

0.19

 1/3

0.313

7.95

0.15

0.21

0.25

0.28

 3/8

0.375

9.525

0.19

0.25

0.31

0.34

0.39

 1/2

0.5

12.7

0.25

0.34

0.45

0.49

0.55

0.61

 5/8

0.625

15.875

0.33

0.45

0.58

0.64

0.71

0.8

 3/4

0.75

19.05

0.4

0.55

0.72

0.77

0.88

0.98

 7/8

0.875

22.225

0.46

0.64

0.83

0.92

1.04

1.18

1

1

25.4

0.54

0.74

0.97

1.06

1.21

1.37

1 1/8

1.125

28.575

0.61

0.83

1.1

1.21

1.37

1.56

1 1/4

1.25

31.75

0.68

0.94

1.23

1.35

1.53

1.76

1 3/8

1.375

34.925

0.74

1.03

1.35

1.49

1.7

1.93

1 1/2

1.5

38.1

0.82

1.13

1.49

1.64

1.87

2.17

1 3/4

1.75

44.45

0.97

1.32

1.74

1.92

2.2

2.5

2

2

50.8

1.52

1.99

2.2

2.53

2.89

2 1/4

2.25

57.15

1.73

2.26

2.48

2.87

3.26

2 3/8

2.375

60.325

1.81

2.38

2.63

3.02

3.44

2 1/2

2.5

63.5

1.91

2.52

2.78

3.18

3.66

2 7/8

2.875

73.025

2.2

2.9

3.2

3.68

4.2

3

3

76.2

2.31

3.04

3.35

3.85

4.39

3 1/2

3.5

88.9

2.69

3.56

3.93

4.51

5.15

4

4

101.6

4.11

4.54

5.21

5.95


S32750 Duplex Stainless Steel Pipe & Tube Dimensions Tolerance Chart:


Dimensions
Standard


Out Diameter(mm)

Wall Thickness(%)

Cutting Length(mm)

Size(mm)

Tolerance

Size(mm)

Tolerance

Tolerance

ASTM213

D<25.4

+0.10/-0.10

D<38.1

+20/0

D<50.8

+3.0/0

25.4~38.1

+0.15/-0.15

38.1~50.8

+0.20/-0.20

50.8~63.5

+0.25/-0.25

D≥38.1

+22/0

D≥50.8

+5.0/0

63.5~76.2

+0.30/-0.30

76.2~101.6

+0.38/-0.38

101.6~190.5

+0.38/-0.64

190.5~228.6

+0.38/-1.14

ASTM A269

D<12.7

+0.13/-0.13

 

+15/-15

 

+3.2/0

12.7~38.1

+10/-10

38.1~88.9

+0.25/-0.25

+4.8/0

88.9~139.7

+0.38/-0.38

139.7~203.2

+0.76/-0.76

ASTM A312

10.29~48.26

+0.40/-0.80

 

+12.5/-12.5

 

+6.0/0

48.26~114.30

+0.80/-0.80

114.30~219.08

+1.60/-0.80

219.08~457.20

+2.40/-0.80

ASTM A789

D≤12.7

+0.13/-0.13

 

+15/-15

 

+3.0/0

12.7~38.1

+10/-10

38.1~88.9

+0.25/-0.25

+5.0/0

88.9~139.7

+0.38/-0.38

139.7~203.2

+0.76/-0.76

ASTM A790

10.29~48.26

+0.40/-0.80

 

 

 

 

48.26~114.3

+0.80/-0.80

 

 

 

 

114.3~219.08

+1.60/-0.80

 

 

 

 

219.08~457.20

+2.40/-0.80

 

 

 

 

JIS G3459

D<30

+0.30/-0.30

S<2

+20/-20

 

+7.0/0

D≥30

+1%-1%

S≥2

+10/-10

 

EN17455-02

10~30

+0.30/-0.30

S≤3

+14/-14

1.0~3.0

+15.0/0

30~50

+4.00/-4.00

S>3

+12/-10

D>50

+9%/-9%

 

 

EN17456-02

6~10

+0.20/-0.20

0.5~1.0

+0.15/-0.15

 

+15.0/0

10~30

+0.30/-0.30

1.0~3

+14/-14

 

30~50

+4.00/-4.00

S>3

+12/-10

 

D>50

+0.90%-0.9%

 

 

 

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