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904L Stainless Steel Pipe/Tube

Alloy 904L is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as sulphuric, phosphoric and acetic acid.

Alloy 904L is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as sulphuric, phosphoric and acetic acid. Very good resistance to pitting corrosion, stress corrosion cracking and a much better resistance to crevice corrosion than steels of alloy 304L and alloy 316L. Used for chemical processing, pollution control equipment, oil and gas well piping, heat exchangers, acid production and pickling equipment.

Standard: AISI, ASTM, DIN, EN, GB and JIS

Outer Diameter: 1mm-1500mm
Thickness: 0.1mm-50mm
Length: 1-12m
Surface: Annealed/Pickling/Polished
Shape: Round/Square/Hex
Technique: Hot Rolled/Cold Drawn


AISI/ASTM

UNS


ID

W.Nr

904L

N08904


F904L

1.4539

Chemical Composition:

Grade

%

Ni

Cr

Mo

Cu

904L

Min

23

19

4

1

Max

28

23

5

2


Si

C

Mn

P

S

Min


-

-

-


Max

1

0.02

2

0.04

0.03

Physical Performance:

Density

8.0 g/cm3



Melting point

1300-1390



Grade

T*S

Y*S

El



Rm N/mm2

RP0.2N/mm2

A5 %



904L

490

215

35




With plastic cap to protect both ends
Plastic bag wrapped outside pipe
Woven bag wrapped outside pipe

All our products are packed, stored, transported according to the international regulation. 

The tubes are wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.

Plus, ply wooden box are available for special protection. Other kinds of packing can be offered if request.




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