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904L Bolts
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We produce 904L bolts,904L bolts,904L bolting,904L Hex Head Bolts,904L studbolt,904L Heavy Hex head bolts,904L Stud Bolts,904L Anchor Bolt,904L Eye Bolt,904L U Bolts,904L Structural Bolts,904L Step Bolt,904L Flange Bolt,904-L Screw Thread Eye Bolt,904-L Head Plow Bolts,904-L Square Head Bolts,904-L Hexagonal Bolts,904-L J-Bolts,904L Bent Eye Bolts,904L Elevator Bolts,904L Step Bolts,904L Tap Bolts,904L Tension Control Bolts,904L Shoulder Bolt,904-L bent bolts,904L headed bolts,904-L Heavy Hex head bolts,904L Timber Bolts,904L Lag Bolts,904L Timber Bolts,904L Hanger Bolt,904L Button Head Bolts,904-L Tie Bolt,904L Hexagon Bolt,904L Hexagon Cap Screw Bolt from china
The type of 904L anchor bolts that we could do is 904L straight anchor bolts, bent anchor bolts and headed anchor bolts
The type of 904L bent bolts that we could do is 904-L bent anchor bolts, u-bolts, square bent u-bolts, j-bolts, bent tie bolts, bent check bolts, bent hook rail bolts, bent I-bolts, and custom special bent bolts.
The type of 904L headed bolts that we could do is 904L Cap Screws head bolts,Hex head bolts,Heavy Hex head bolts,Lag Bolts,Square Head bolts,Step Bolts,Dome Head bolts,Carriage boltds,Socket Head Bolts
We could produce 904L non-standard and speciality large bolts from 1/4” all the way to 4” and in metric sizes from M8 to M100.
The surface finish of 904L bolts that we could do is as follows:Hot Dip Galvanized,Mechanical Galvanized,Zinc plated (Clear),Yellow Zinc plated,Cadmium plated,Yellow Cadmium plated,Blue Xylan or Blue Teflon,Green Xylan or Green Teflon.Black Oxide,Plain surface,Ni-plated, Passivated, Tin-plated, Sandblast and Anodize, Polish, Eletro Painting, Chrome plated etc.
In order to control the quality of 904L bolts, the material of 904L bars is melted by ESR+VIR or VIM+ESR+VAR and is produced as the standard of ASTM B462 and ASTM B473
904L is a high-alloy austenitic stainless steel with low carbon content.

The chemical composition of 904-L bolts is as follows

Chemical Composition Limits

Weight%

Ni

Cr

Mo

Cu

Mn

Si

S

C

N

904L

23-28

19-23

4-5

1-2

2 max

1 max

0.035 max

0.020 max

0.10 max


The mechanical property of 904L bolts is as follows

0.2% proof stress
(KSI

Tensile strength
(KSI)

Elongation
(%)

Hardness
(HRB)

≥ 32

≥ 72

≥ 35

≤ 90

As per heat treatment of 904L bolts, we could do, solution and ageing treatment, Tempering, Hardening, Spheroidizing, Stress Relieving as per the requirement of the clients
904L bolts has been widely used in Vacuum Kettle Dryer.Cistern Piler.Vacuum Strainer,Agitators.Chemical Reactor and Systems,Expansion Tank.Water Tank,Lifting Station Tank,Air Drying Plants,Condensers,Balance Valves,Needle Valves,Twin Sharft Dispersers,Chemical and petroleum process equipment and so on

In order to control the quality of 904L bolts, We could do Hardness Testing,Proof load testing,Corrosion testing,Impact testing,Tensile strength tests,Finished product tests,Chemical analysis tests,CHARPY tests as per the requirement of the clients
Our 904L bolts has been 100% ultrasonic test according to EN102768-3, SA388, Sep 1921  etc
We could supply 904L bolt material certificate as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like GL,DNV,TUV,BV and so on)
Please sned us the size or drawing of 904L bolts, we are glad to quote the best price for your side.
Except 904L bolts,we also could produce 904L flanges,904L plates,904L fasteners,904L bars,904L pipe fittings,904L pipes,904L tubes,904L springs