ASTM A928 UNS S31803

ASTM A928 UNS S31803

You would see ASTM A928 UNS S31803 EFW pipe exhibiting excellent resistance to corrosive environments. Adding to this they are considered to be one of the alloys, which are work-hardening. This is because they comprise equal proportions of austenite and ferrite contents; with their ratio being 50:50.

A928 S31803 EFW electric fusion welded pipe suppliers in UAE

ASTM A928 UNS S31803 dimensions

Type OD Wall thickness Length
SA 928 S31803 pipe with Circumferential Welding Joints
  • 18″ – 48″ NB
  • 457.2 – 1220mm
  • 2.5 – 14.0mm
  • 3.5 – 6 mtrs
A928 S31803 pipe with single Longitudinal Seam
  • 8″ – 24″ NB
  • 219.1 – 609.6mm
  • 2.5 – 32mm
  • maximum 6 mtrs

Searching for tested material and reliable A928 S31803 material suppliers in the Middle East? Check here the list of verified stockists

A928 UNS S31803 material specification

SA 928 UNS S31803 EFW pipe welding method American standard for OD and thickness Manufacturing process of SA928 S31803 (electric fusion welded pipe)
  • Plasma
  • SAW welding
  • TIG
  • GTAW welding
  • A1016 / A1016M
  • ASTM A999 / A999M
  • DIN EN ISO 1127
  • Spiral/ helical mill
  • Welding (outside & inside)
  • JCO forming press
  • Heat treatment
European standard A928 UNS S31803 pipe end ASTM A928 S31803 EFW SAW pipe surface finish and treatments
  • EN 10296-2 (welded pipe)
  • EN 10312 (welded pipe)
  • EN 10217-7 (welded pipe)
  • PE (Plain End)
  • BE (Beveled Ends)
  • Cleaned
  • Passivated
  • Pickled (As per ASTM A380)
  • Welded condition
  • Precleaned
  • Solution Annealed
Equivalent Density Tensile Strength
  • DIN 1.4462
  • UNS S31803
  • 7.805 g/cm 3
  • 620 Mpa
Form Tolerance Material Grade
  • Round
  • Square
  • Rectangular
  • ±1%
  • Class 1
  • Class 2
  • Class 3
  • Class 4
  • Class 5
SA 928 UNS S31803 fusion welded pipe wall thickness Meet standards SA928 S31803 electric welding pipe finish
  • 4 Inch
  • Schedule 5 / 5S
  • SCH 10 ASTM A928M pipe (Most selling)
  • ASTM A928 UNS S31803 SCH 10S
  • SCH 20
  • SCH 30
  • SCH 40 SA 928 UNS S31803 pipe (Most selling)
  • SCH 40S
  • SCH 80 / 80S
  • SCH 120
  • SCH 160
  • Standard (SCH STD)
  • Ex-Standard (XS)
  • Double Extra Strong (XSS)
  • NSF 61
  • ASME B36.19M
  • EN 10217-7
  • ASME B36.19
  • DIN 17455
  • Mirror
  • Solution annealed A928 S31803 duplex pipe
  • 2B
  • No.4
  • 180 grit polished
  • 320 grit
  • Matt finish
  • BA polishing
  • 600 grit
  • Annealed & Pickled (A&P)
  • Bright Annealed
  • 400 grit
  • Cold Drawn
QC and A928 S31803 duplex ERW pipe supporting documents SA 928 S31803 EFW welding pipe standard A928 S31803 electric fusion welded pipe value added services
ASTM A928 UNS S31803 Pipe manufacturers, suppliers, traders,
stockholders, stockist, importers offer these reports in Saudi Arabia & UAE

  • QC/ Inspection reports
  • A928 S31803 duplex ERW pipe detailed inspection plan (appearance, integrity, packaging etc)
  • Check SA 928 UNS S31803 EFW pipe dimensions
  • Origin of material
  • Labeling verification
  • MTC EN 10204 type 3.1
  • Verify quantity
  • ASTM A928 UNS S31803 material, schedule & size as per the work order
  • JIS
  • DIN
  • EN
  • ASTM
  • GOST
  • Polishing
  • Threading
  • Cutting
  • Beveling
Required list of A928 S31803 duplex ERW pipe mechanical test Cutting techniques ASTM A928 UNS S31803 efw pipe marking
  • Tension test
  • Reverse flattening test
  • 100% PMI tested
  • Flange test (for ASTM A928M welded pipe)
  • Hardness test
  • Flaring test (for A928 S31803 seamless pipe)
  • Water-Jet
  • Tapping
  • Sawing
  • Manufacturer/Supplier name
  • Length
  • Standard
  • Thickness
  • OD
  • Heat No.
  • Grade

SA 928 UNS S31803 EFW pipe class

Class type Welding Filler Metal Radiography Test
ASTM A928 UNS S31803 Cl.1
  • Double welded with filler metal
Yes 100%
A928 S31803 Class 2
  • Double welded with filler metal
Yes NA
SA 928 UNS S31803 Class 3
  • Single welded with filler metal
Yes 100%
ASTM A928M Class 4
  • Single Welded without addition  filler metal
Without filler (Root pass to be done) 100%
ASTM A928 UNS S31803 Class 5
  • Double welded with filler metal
Yes Spot

A928 S31803 electric fusion welded pipe equivalent material

EFW pipe standard Seamless pipe EN/ DIN/ Wnr Buttweld Fittings Flanges
ASTM A928 UNS S31803 ASTM A790 UNS S31803 1.4462 ASTM A815 UNS S31803 ASTM A182 F51

SA 928 S31803 EFW welding pipe chemical composition

UNS Number
Duplex Grades
Si Mn P Typeb N Cu Other S Cr Ni C Mo
S31803 1.00 2.00 0.030 0.08-0.20 0.020 21.0-23.0 4.5-6.5 0.030 2.5-3.5

Tensile & Yield strength of A928 S31803 EFW welded pipe

UNS Yield Strength Tensile Strength
ASTM A928 UNS S31803
  • 65 Ksi
  • 450 Mpa
  • 90 Ksi
  • 620 Mpa

Heat treatment of A928 S31803 duplex ERW pipe

UNS Temperature range
ASTM A928 UNS S31803
  • 1870-2010 °F
  • 1020-1100 °C

ASTM A928 UNS S31803 Properties

ASTM A928M EFW straight welded pipe types and forms

  • A928 S31803 duplex bright annealed pipe
  • A928 UNS S31803 round pipe
  • ASTM A928M solution annealed pipe
  • ASTM A928M EFW SAW pipe
  • A928 S31803 rectangular pipe
  • SA 928 UNS S31803 square pipe
  • SA 928 UNS S31803 EFW straight welded pipe

ASTM A928 UNS S31803 cl.1 efw pipe available in OD 1/8″ – 1″ for better corrosion resistance

Because it contains chromium contents in higher amounts, ASTM A928 UNS S31803 cl.1 offers excellent resistance to corrosive environments. In fact, it is one of the mostly demanded material for piping and marine applications, where they even show excellent resistance to both oxidation and seawater corrosion. Not only this, they even resist stress corrosion cracking.

Industrial standards opt for A928 S31803 efw electric fusion welded pipe with affording costs. To assure this, it is highly suggested to approach the listed suppliers at Here the customers are provided with:

  • Reasonable price quotations, as per the standards set by them.
  • You would get only genuine and listed suppliers; to confirm to the customer’s trust and genuineness of the products.
  • Need custom dimensions? Contact details are open to customers for free. So, customers can place their demands accordingly.

These suppliers are well equipped to provide best quality standards to customers; with the long term experience that they carry. This is the only reason why they are leading ASTM A928 UNS S31803 suppliers in UAE

For ensuring non-degraded performance, it is very important to make sure that A928 S31803 material is tested with the help of the testing standards. For this, NDT, eddy current, radiography and many other testing methods are employed.

The main motive is to check and evaluate for the performance and the quality of the material; without altering the physical dimensions of the material.

Inquire with the ASTM A928 Grade S31803 EFW SAW pipe stockists in Dubai to learn more about the third-party inspection services

There are many inspection methods that are associated with ASTM A928 grade S31803 efw saw pipe, for ensuring accurate performance, with top notch quality assured services. Considering this, one can perform ultrasonic, hydrostatic, Charpy impact and many other inspection methods.

Out of these, hydrotesting is the most famous inspection testing. Though not a compulsion, but it involves customer’s indulgence; and that it is performed only on their requires. The main aim of this test is to suffice and comfort the customer for the genuineness of the product.

In GCC countries, before buying compare the prices being charged by at least two reliable importers of A928 gr S31803 welded pipe

You would get the dimensional size range of 1/2’’-48’’ for A928 gr S31803 welded pipe for covering wider industrial applications.

But what if customers aspire for custom or specific dimensions, it is highly advisable to approach the manufacturers or suppliers directly to get the best price quotation. Other than this, it is also important to check whether the dimensional aspects complies with its material standards too.