Stainless steel tube

ASME SA790 Duplex Steel S31803 Cold drawing Condenser tube


Stainless steel pipes for general piping are standardized for building equipment piping (water supply, hot water supply, drainage, cold/hot water, firewater, and other piping), and are thinner than conventional stainless steel pipes. It is characterized by four types: SUS304, SUS315J1, SUS315J2, and SUS316.


Duplex Steel UNS S31803 Pipes are used in various industries like chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.

 

 Duplex S31803 Pipes & Tubing Chemical Composition

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

N

Fe

Duplex UNS S31803

0.030 max

2.00 max

1.00 max

0.030 max

0.020 max

22.0 – 23.0

3.0 – 3.5

4.50 – 6.50

0.14 – 0.20

63.72 min


Ferritic Stainless Steel S31803 Pipe and Tubes Mechanical Properties

Element

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

Duplex UNS S31803

7.8 g/cm3

1350 C   (2460 F)

Psi – 116000 , MPa – 800

Psi – 80000 , MPa – 550

15 %

 

Duplex Steel UNS S31803 Pipes & Tubes Equivalent Grades

STANDARD

WERKSTOFF NR.

UNS

Duplex UNS S31803

1.4462


Working shop

ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 0  ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 1  ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 2


Packing

ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 3  ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 4  ASME A790 Duplex Stainless Steel Tube , S31803 Cold Drawn Stainless Steel Tube 5

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