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904L Bars
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We could produce 904L bars, 904 L bars,904L round bars, 904L rods,904L square bars,904L flat bars,904L hot rolled bars, 904 L cold drawn bright bars,904 L forged bars, 904L forging bars,Nimonic 90 Hexagon Bar,904L rectangular bars from china.
The diameter of 904L bars that we could do ranges from 6MM to 800MM. The length of 904L bars that we could do is up to 15 metres
904L is an austenitic stainless steel designed for moderate to high corrosion resistance.

The chemical composition of 904L bars is as follows

Carbon

0.02 max

Chromium

19 - 23

Copper

1 - 2

Iron

Balance

Manganese

2 max

Molybdenum

4 - 5

Nickel

23 - 28

Phosphorus

0.045 max

Silicon

1 max

Sulphur

0.035 max


The mechanical property of 904 L bars is as follows

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B)

Brinell (HB)

904L

490

220

35

70-90 typical


We could produce 904L bars as per the standard of ASTM B462 and ASTM B473
As per melting methods for 904L bars, we could use AOD refining or vacuum induction melting. Vacuum arc or electroslag remelting procedure as per the requirement of the clients
As per heat treatment of 904L bars, we could do annealed treatment,or solution treatment,ageing treatment as per the requirement of the clients
Our 904 L bars could be  100% ultrasonic test according to EN102768-3, SA388,,ASTM A520-1974, Sep 1921 C/c etc.
Our 904L bars could be 100%  Liquid Penetrant Examination as per the ASTM E165-1995
We could supply 904L round bars certificate as per the standard of EN10204-3.1 or EN10204-3.2(By third party,like TUV,DNV,GL,and so on)
In order to control the quality of 904 L bars, we have following inspection equipment in our workshop:Metallurgical analysis, Tensile strength tester, Hardness tester, Altimeter, Scale Micrometer, pressure tester, etc.
As per surface finish of 904L bars, we could supply them in the form of black surface, rough machined to bright surface or polish into bright surface,or peeled into bright surface
Our 904L bars are widely used in chemical pump,plunger pumps,Cement Mill ,sugar Mill,concrete mills and mixers,processing units,mechanical equipment, crystalizer equipment,Wellhead and Christmas tree,power transmission, turbine,gas compressor,gear boxes and so on.

Please tell us the size and quantity of 904L bars 904L round bars, 904 L rods,that you need, we are glad to quote the best price for you
Except 904L bars,we also could produce 904L flanges,904L plates,904L fasteners,904L bolts,904L pipe fittings,904L pipes,904L tubes,904L springs