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Home > Products > Duplex Steel Tube > Super Duplex Steel Tube > SA789 S32304 Super Duplex Steel Seamless Tube

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SA789 S32304 Super Duplex Steel Seamless Tube
SA789 S32304 Super Duplex Steel Seamless Tube
SA789 S32304 Super Duplex Steel Seamless Tube
SA789 S32304 Super Duplex Steel Seamless Tube

SA789 S32304 Super Duplex Steel Seamless Tube

Payment Type: L/C,T/T,D/P,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA
Delivery Time: 35 Days

Basic Info

    Model No.: Duplex Tube

    Type: Seamless

    Certification: API, CE, BSI

    Application: Oil Pipe, Boiler Pipe, Gas Pipe

    Section Shape: Round

    Usage: Pipeline Transport, Oil&Gas Well Drilling, Chemical Industry, Thermal Equipment

    Technique: Cold Drawn

    Material: Stainless Steel

Additional Info

    Packaging: Plywood Case /Iron Case/ In Bundles Packing

    Brand: YUHONG

    Transportation: Ocean,Land,Air

    Place of Origin: China

    Supply Ability: 800 Ton / Month

    Certificate: ABS, GL, DNV, NK, PED, AD2000, GOST 9941

Product Description

ASTM A789/A789M / ASME SA789/SA789M UNS S32304 2304 Super Duplex Stainless Steel Seamless Tube for Superheater Application


Generally, the regular sizes we export as below

O.D: 1/2" = 12.7mm, 5/8" = 15.88mm. 3/4" = 19.05mm, 1" = 25.4mm, 1-1/4" = 31.75mm, 1-1/2" = 38.1mm

W.T: BWG22 = 0.71mm, BWG20 = 0.89mm, BWG18 = 1.24mm, BWG16 = 1.65mm, BWG14 = 2.11mm, BWG12 = 2.77mm, BWG10 = 3.4mm,

(Average wall thickness and Minimum wall thickness)

The regular standard is ASTM A789/ASME SA789, this specification covers grades of average wall thicknes, or if customer need minimum wall thickness, it should be specified on the order before order confirmed.


Chemical Composition

The chemical composition of stainless steel grade Duplex 2304 / UNS S32304 is outlined in the following table.

Element

Content (%)

Iron, Fe

72.679

Chromium, Cr

23

Nickel, Ni

4

Molybdenum, Mo

0.20

Nitrogen, N

0.1

Carbon, C

0.02

Sulfur, S

0.001

Mechanical Properties

The mechanical properties of stainless steel grade Duplex 2304 / UNS S32304 are displayed in the following table.

Properties

Metric

Imperial

Tensile strength

≥ 600 MPa

≥ 87000 psi

Yield strength (@strain 0.200 %)

≥ 400 MPa

≥ 58000 psi

Modulus of elasticity

200 GPa

29000 ksi

Shear modulus (@temperature 20°C/ 68°F)

75.0 GPa

10900 ksi

Poisson’s ratio

0.333

0.333

Elongation at break

≥ 25 %

≥ 25 %

Hardness, Rockwell C

≤ 20.0

≤ 20.0

Hardness, Brinell

180 - 230

180 - 230

Applications

Stainless steel grade Duplex 2304 / UNS S32304 is widely used in various kinds of industries including pulp and paper, coal handling, potash, food and beverage, and waste water.

The specific applications are as follows:

1.Bridges

2.Storage tanks

3.Water heaters

4.Heat exchangers

5.Pressure vessels

6.Feed water tubes

7.Heat exchangers

8.Flue-gas cleaning

9.Seawater systems

10.Desalination plants

11.Parts for structural design

12.Rotors, impellers and shafts

13.Firewalls and blast walls on offshore platforms

14.Cargo tanks and pipe systems in chemical tankers

15.Piping and instrumentation tubing for general service

Standard : ASTM/ASME A/SA789, A/SA790, A/SA928, DIN17456/17458, EN10216-5.

We supply tubes according to the customers' requirement.

Material Grade : UNS S31803, S32205, S32101, S32304, S32750, S32760, 1.4462, 1.4410 etc...

Size Range:

Stainless Steel Seamless Tube

ASTM A789/A789M: OD: Φ12.7mm-Φ203mm; WT:0.5mm-6.35mm

Stainless Steel Seamless Pipe

ASTM A790/A790M: OD: Φ6mm-Φ325mm; WT:0.5mm-30mm

Stainless Steel Welded Tube

ASTM A789/A789M: OD: Φ12.7mm-Φ203mm; WT:0.5mm-4.0mm

Stainless Steel Welded Pipe

ASTM A790/A790M: OD: Φ10mm-Φ2000mm; WT:0.5mm-40mm (OD≤630mm for single seam; OD>Φ630mm For circumferential seam)

ASTM A928/A928M: OD: Φ10mm-Φ406mm; WT:0.5mm-10mm

Mechanical Property:

UNS


Tensile Strength
Min, Mpa



Yield Strength
Min, Mpa


Elongation in 2 in Or 50mm Min, %


Hardness Max,
HRC


S31803

620

450

25

30

S32205

655

485

25

30

S32101

700

530

30

30

S32304

690

450

25

30

S32750

800

550

15

32

S32760

750

550

25

32

Some of the quality tests carried out by us includes:

Corrosion Test

Conducted only when specially requested by the client

Chemical Analysis

Test done as per required quality standards

Destructive / Mechanical Testing

Tensile | Hardness | Flattening | Flare | Flange

Reverse-bend and Re. flat tests

Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end

Eddy Current Testing

Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System

Hydrostatic Testing

100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .

Air Under Pressure Test

To check any evidence of air leakage

Visual Inspection

After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections

Detailed Production Process

Seamless Pipe Production Flow Chart: Stainless Steel Bar-> Inspection-> Peeling-> Cut-Center-> Heating-> Piercing-> Inspection/Polishing-> Pickling - Cold Rolling/Drawing-> Pickling-> Solution Annealing-> Straightening-> Cutting-> Bright&Annealing/Pickling Passivating-> Composition Inspect-> Marking-> Packing-> Storing-> Shiping.


YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel, Incoloy) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by : ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.

If you have any inquires, please freely contact me.

Email: luis.bao@ steelseamlesstube.com

Looking for ideal SA789 S32304 Super Duplex Seamless Tube Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the UNS S32304 Super Duplex Steel Tube are quality guaranteed. We are China Origin Factory of Duplex 2304 16BWG Seamless Tube. If you have any question, please feel free to contact us.

Product Categories : Duplex Steel Tube > Super Duplex Steel Tube

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Luis Bao

Mr. Luis Bao

Email:

luis.bao@steelseamlesspipe.com

Send Inquiry

Tel:86-574-88013900

Fax:86-574-88017980

Mobile Phone:+8618067371010Contact me with Whatsapp

Email:luis.bao@steelseamlesspipe.com

Address:No.1 New World Building, NO.1018 Min'an Road, Yin Zhou District, Ningbo, Zhejiang