Nimonic 81 Bolts
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We produce Nimonic 81 bolts,Nimonic81 bolts,Nimonic 81 bolting,Nimonic 81 Hex Head Bolts,Nimonic 81 studbolt,Nimonic 81 Heavy Hex head bolts,Nimonic 81 Stud Bolts,Nimonic 81 Anchor Bolt,Nimonic 81 Eye Bolt,Nimonic 81 U Bolts,Nimonic 81 Structural Bolts,Nimonic 81 Step Bolt,Nimonic 81 Flange Bolt,Nimonic81 Screw Thread Eye Bolt,Nimonic81 Head Plow Bolts,Nimonic81 Square Head Bolts,Nimonic81 Hexagonal Bolts,Nimonic81 J-Bolts,Nimonic 81 Bent Eye Bolts,Nimonic 81 Elevator Bolts,Nimonic 81 Step Bolts,Nimonic 81 Tap Bolts,Nimonic 81 Tension Control Bolts,Nimonic 81 Shoulder Bolt,Nimonic81 bent bolts,Nimonic 81 headed bolts,Nimonic81 Heavy Hex head bolts,Nimonic 81 Timber Bolts,Nimonic 81 Lag Bolts,Nimonic 81 Timber Bolts,Nimonic 81 Hanger Bolt,Nimonic 81 Button Head Bolts,Nimonic81 Tie Bolt,Nimonic 81 Hexagon Bolt,Nimonic 81 Hexagon Cap Screw Bolt from china
The type of Nimonic 81 anchor bolts that we could do is Nimonic 81 straight anchor bolts, bent anchor bolts and headed anchor bolts
The type of Nimonic 81 bent bolts that we could do is Nimonic81 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 Nimonic 81 headed bolts that we could do is Nimonic 81 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 Nimonic 81 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 Nimonic 81 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 Nimonic 81 bolts, the material of Nimonic 81 bars is melted by ESR+VIR or VIM+ESR+VAR and is produced as the standard of ASTM B462 and ASTM B473
Nimonic 81  is a wrought nickel alloy

The chemical composition of Nimonic81 bolts is as follows




0.05 max



2 max


0.2 max


1 max


0.5 max


0.3 max




0.5 max


0.015 max



The mechanical property of Nimonic 81 bolts is as follows




Tensile strength (precipitation hardened, value at room temperature)

1050 MPa

152000 psi

Yield strength (@strain 0.200%, precipitation hardened, value at room temperature)

600 MPa

87000 psi

Elongation at break (precipitation hardened)



As per heat treatment of Nimonic 81 bolts, we could do, solution and ageing treatment, Tempering, Hardening, Spheroidizing, Stress Relieving as per the requirement of the clients
Nimonic 81 bolts has been widely used in Valves,Oil Refineries,Petrochemical,Heat Exchangers & Pressure Vessels,Oil & Gas,Pumps.Mining.Paper Mills,Lock & Dam.Agricultural Equipment.Chemical Processing.Metal Fabrication,Marine,Oil Tools & Production,Food and so on

In order to control the quality of Nimonic 81 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 Nimonic 81 bolts has been 100% ultrasonic test according to EN102768-3, SA388, Sep 1921  etc
We could supply Nimonic 81 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 Nimonic 81 bolts, we are glad to quote the best price for your side.
Except Nimonic 81 bolts,we also could produce Nimonic 81 flanges,Nimonic 81 plates,Nimonic 81 fasteners,Nimonic 81 bars,Nimonic 81 pipe fittings,Nimonic 81 pipes,Nimonic 81 tubes,Nimonic 81 springs