ASTM A928 UNS S31803

1. Standard: ASTM A928, ASME SA928
2. Size: 1/8''~48''
3. Thickness: 1.24mm~12.7mm
4. End: Beveled End, Plain End
5. Grades：UNS S31803, 2205, EN 1.4462

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Product Introduction

ASTM A928 UNS S31803 EFW duplex stainless steel pipe supplier, contact us to get free quote and sample!

ASTM A928 UNS S31803 EFW duplex stainless steel pipe is produced by electrofusion welding, which uses an electric current to heat and fuse the edges of steel plates or strips, while providing excellent corrosion resistance and high strength. EFW pipes are widely used to transport fluids, including water, gas, and oil. ASTM A928 is the specification for duplex stainless steel electric fusion welded (EFW) pipe. Includes UNS S31803, S32205, S32750, S32760 and other grades.

Large Diameter ASTM A928 UNS S31803 EFW pipes Applications:

Chemical processing
Transport and storage
Oil and gas exploration and processing equipment
Marine and other high-chlorine environments
Pulp and paper digesters
Wine tanks and paper machines

ASTM A928 Duplex Stainless Steel Pipes Specifications

ASTM A928 /ASME SA928	Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal1
Material Grade	Class1	Class2	Class3	Class4	Class5
Size	1/8''~48'' Large diameter
Thickness	SCH5~SCHXXS
End	Beveled End, Plain End
Length	As per your requirement.
Packing	Export Standard packing or as per your requirements.

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ASTM A928 Standard Five Classes of Pipe are Covered as Follows:

Class 1-Pipe shall be double welded by processes using filler metal in all passes and shall be radiographed completely.
Class 2-Pipe shall be double welded by processes using filler metal in all passes. No radiograph is required.
Class 3-Pipe shall be single welded by processes using filler metal in all passes and shall be radiographed completely.
Class 4-Same as Class 3, except that the weld pass exposed to the inside pipe surface is permitted to be made without the addition of filler metal
Class 5-Pipe shall be double welded by processes using filler metal in all passes and shall be spot radiographed.

Quality Tests We Suppliers Can Provide

Flattening test, hardening test, hydrostatic test, tensile test
Transverse or longitudinal tensile test
Non-destructive testing
X-ray inspection
Hydrostatic test
Ultrasonic test

We are one of the larger stainless steel, duplex steel, nickel alloy steel pipes, plates, flanges, and pipe fittings manufacturers and suppliers in China. After 15+ years of development, we have accumulated numerous customers all over the world, and our products have won unanimous praise from our customers. Contact us | market@htpipe.com for more information and free quotes!