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Super Austenitic Stainless Steel

Home > Products > Special stainless steel > Super Austenitic Stainless Steel > 904L / N08904 / 1.4539

904L / N08904 / 1.4539

904L / N08904 / 1.4539

Wuxi Xinzheng Special Steel Co., Ltd. mainly engaged in various materials of stainless steel plate, steel pipe, round steel and stainless steel processing. The main materials are 201/304/304l/316l/309s/321s/310s/2207/s31803/2507/254smo/hastelloyb-2/hastelloyc276/hastelloyc-22/monel alloy400 etc. 

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Product Details

904L is a very low carbon containing high alloy austenitic stainless steel. The steel designed for the harsh corrosion conditions. 904L has been standardized in many countries now, and have already been approved in the manufacture of pressure vessels.


904L alloy with the same used as CrNi austenitic steel, has a good resistance to pitting and crevice corrosion capabilities, very high stress corrosion cracking capacity, good intergranular corrosion resistance property, good processability and Solderability. The highest temperature heating up to 1180 ℃ when hot forging, the lowest temperature stop forging not less than 900℃. This steel may hot forming during1000 - 1150℃. The steel heat treatment process is 1100 - 1150 ℃, cold fast afrer heated. Although this may use common steel welding technology for welding, but the best way are manual arc welding and TIG welding.


When using manual arc welding, the welding rod diameter should no more than 2.5 mm when welding 6 mm plate; the welding rod diameter is less than 3.2 mm when the thickness is greater than 6 mm. When need to heat treatment after welding, can fast-cooling after heat in 1075 - 1125℃. When useTIG welding, the filling metal can use with the same material, seam is subject to pickling,passivatingtreatment after the welding.


GB/T

UNS

AISI/ASTM

ID

W.Nr

015Cr21Ni26Mo5Cu2

N08904

904L

F904L

1.4539

Chemical Composition:

Grade

%

Ni

Cr

Mo

Cu

904L

Min

24

19

4

1

Max

26

21

5

2








Fe

C

Mn

P

S


Rest

-

-

-




0.02

2

0.03

0.015

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




Wuxi Xinzheng Special Steel Co.,Ltd supply 904L alloy in bar,seamless pipe,sheet and plates. 

Other products are aviable upon request.


The application fields of 904L:

904L alloy can be applied in many industrial fields:

1. Petroleum, petrochemical equipment, such as petrochemical equipment in the reactor.

2. Storage and transport  sulfuric acid, such as heat exchanger.

3. Flue gas desulfurization power plant, the main use of parts: absorption tower, flue, stalldoor, inner parts, spray system tower etc.

4. Organic acid treatment system in the scrubber and fan.


With wide experience and expertise, wuxi xinzheng special steel  is one of the leading 904l stainless steel manufacturers and suppliers. We have hundreds of high-qualified workers at your service. Please rest assured to get the competitive price 904l stainless steel for sale with us.


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