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Stock Holder of:

  • PIPES
  • TUBES
  • SHEET / PLATE
  • ROUND BAR
  • FLAT BAR
  • ANGLES

GRADE :
STAINLESS STEEL : 304 / 304L, 316 / 316L, 317 / 317L, 321, 347
DUPLEX AND SUPER DUPLEX STEEL : S31803, S32205, S32750, S32760
NICKEL ALLOYS : INCONEL, MONEL, HASTELLOY, TITANIUM, NICKEL ETC…

Stainless Steel Super Duplex and Duplex Grades

Grade UNS ASTM/ASME Werkstoff
Duplex S31803 A240 / F51 1.4462
Super Duplex S32750 A240 / F55 1.4410
Super Duplex S32760 A240 / F53 1.4501
Lean Duplex S32304 A240 1.4362
6 Moly S31254 A240 / F44 1.4547

Duplex & Super Duplex Plate, Sheet, and Bar Stock

Grade Sheet (mm) Plate (mm) Bar (mm) [Diameter]
UNS S31803 1.50 – 3.00 5.00 – 100.00 76.20 – 457.20
UNS S32304 2.00 5.00 – 50.00 -
UNS S32750 3.00 5.00 – 50.00 12.70 – 304.80
UNS S32760 - 5.00 – 50.00 12.70 – 304.80

Super Duplex Stainless Steel

UNS S32750 & UNS S32760

Super Duplex Plate/Sheet
Super Duplex Seamless & Welded Tube
Super Duplex Seamless & Welded Pipe
Super Duplex Round Bar
Super Duplex Flanges F53/F55
Super Duplex Specialty Forgings
Super Duplex Seamless & Welded BW Fittings

Trade Name UNS Super Duplex Industry Specifications Chemical Composition Min.Tensile
(KSI)
Min.Yield
(KSI)
Elongation
%
SAF 2507®
UNS S32750
ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988
SAE J405
C 0.030 max
Cr
24.0-26.0
Cu 0.5 max
Mn 1.20 max
Mo 3.0-5.0
N 0.24-0.32
Ni 6.0-8.0
P 0.035 max
S 0.020 max
Si 0.8 max
116 80 15

UNS S32760 ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988
SAE J405
C 0.03 max
Cr
24.0-26.0
Cu 0.5-1.0
Mn 1.0 max
Mo 3.0-4.0
N 0.2-0.3
Ni 6.0-8.0
P 0.03 max
S 0.01 max
Si 1.0 max
W 0.5-1.0
 109 80 25

This is a Duplex alloy stainless steel designed to feature high strength, resistance to pitting, stress corrosion cracking, erosion corrosion and corrosion fatigue, crevice corrosion and strong weldability.

Super Duplex Applications

Oil and gas industry equipment,
Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems,
Chemical process industries, heat exchangers, vessels, and piping,
Desalination plants, high pressure RO-plants and seawater piping,
Mechanical and structural components, high strength, corrosion-resistant parts,
Power industry FGD systems, utility and industrial scrubber systems, absorber towers, ducting, and piping.

Super Duplex Corrosion Resistance

The high chromium and molybdenum content of Super Duplex makes it extremely resistant to uniform corrosion by organic acids like formic and acetic acid. Super Duplex also provides excellent resistance to inorganic acids, especially those containing chlorides.

The pitting Resistance equivalent of Super Duplex, calculated by PREN = Cr + 3.3Mo + 16N, will exceed 40 in most material forms

 

A LARGEST STOCKIST OF STAINLESS STEEL, DUPLEX STEEL AND NICKEL ALLOYS MATERIALS.

1.4362

X2 CrNiN 23-4

 

S32304

Z3 CN 23-04 Az

SS2327

Uranus® 35N
SAF 2304®

1.4460

X3 CrNiMoN 27-5-2
X8 CrNiMo 27-5

329

S32900

Z5 CND 27-05 Az

SS2324

SS44®

1.4507

X2 CrNiMoCuN 25-6-3

F61
255

S32550

Z3 CNDU 25-07 Az

 

Uranus® 52N
Ferralium 255 SD50®

1.4305

X8 CrNiS 18-9
X10 CrNiS 18-9

303

S30300

Z8CNF 18-09
Z10 CNF 18-09

SS2346

 

1.4301

X5 CrNi 18-10

304

S30400

Z5 CN 18-09
Z7 CN 18-09

SS2332

 

1.4401

X5 CrNiMo 17-12-2

316

S31600

Z7 CND 17-11-02
Z7 CND 17-12-02

SS2347

 

1.4404

X2 CrNiMo 17-12-2

316L

S31603

Z3 CND 17-12-02
Z3 CND 18-12-02

SS2348

 

1.4571

X6 CrNiMoTi 17-12-2
X10 CrNiMoTi 18-10

316Ti

S31635

Z6 CNDT 17-12

SS2350

 

1.4541

X6 CrNiTi 18-10

321

S32100

Z6 CNT 18-10

SS2337

 

1.4547

X1 CrNiMoCuN 20-18-7

F44

S31254

Z1 CNDU 20-18-06 Az

SS2378

254SMO®
6Mo / SMO®

1.4539

X1 NiCrMoCu 25-20-5

904L

N08904

Z2 NCDU 25-20

SS2562

Uranus® B6
2RK-65®

1.4563

X1 NiCrMoCu 31-27-4

 

N08028

Z2 NCDU 31-27
Z1 NCDU 31-27-03

SS2584

Sanicro 28®

1.4845

X12 CrNi 25-21

310/310S
(310S16)

S31008

Z8 CN 25-20

SS2361

 

1.4959

X8 NiCrAlTi 32-21

800HT

N08810
N08811

Z10 NC 21.31

 

Incoloy® 800H/HT

1.4980

X5 NiCrTi 26-15
X6 NiCrTiMoVB 25-15 2+XT

A286
660

S66286

Z3 NCT 25

SS2570

Bohler® T200

1.4005

X12 CrS 13

416

S41600

Z11 CF 13
Z13 CF 13

SS2380

 

1.4021

X20 Cr 13

420

S42000

Z20 C 13

SS2303

 

1.4028

X30 Cr 13

420F

S42020

Z33 C 13

 

 

1.4057

X17 CrNi 16-2

431

S43100

Z15 CN 16-02

SS2321

 

2.4602

NiCr 21 Mo 14 W

Alloy C22

N06022

 

 

Hastelloy® C22

2.4819

NiMo 16 Cr 15 W

Alloy C276

N10276

NiMo 16 Cr 15

 

Hastelloy® C276

2.4360

NiCu 30 Fe

Alloy 400

N04400

Nu 30

 

Monel® 400

2.4375

NiCu 30 Al

Alloy K500

N05500

Nu 30 At

 

Monel® K500

2.4816

NiCr 15 Fe

Alloy 600

N06600

NC 15 Fe

 

Inconel® 600

2.4851

NiCr 23 Fe

Alloy 601

N06601

NC 23 Fe A

 

Inconel® 601

2.4856

NiCr 22 Mo 9 Nb

Alloy 625

N06625

NC 22 DNb

 

Inconel® 625

2.4668

NiCr 19 NbMo

Alloy 718

N07718

NC 19 FeNb

 

Inconel® 718

2.4858

NiCr 21 Mo

Alloy 825

N08825

NFe 32 C 20 DU

 

Incoloy® 825

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Duplex Super Duplex Products Best Price Here, Latest Offer | | | Bulk buy Duplex Super Duplex Products and Get a 2% discount on Duplex Super Duplex Products