UNS R30783 Bars
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We could produce UNS R30783 bars, R30783 bars,UNS R30783 round bars, UNS R30783 rods,UNS R30783 square bars,UNS R30783 flat bars,UNS R30783 hot rolled bars, R30783 cold drawn bright bars,R30783 forged bars, UNS R30783 forging bars,UNS R30783 Hexagon Bar,UNS R30783 rectangular bars from china.

We could produce UNS R30783 bars with diamter from from 5MM to 1000MM and length up to 15 metres

UNS R30783 are also known as high performance alloys specially designed to cater to environments with very high temperature of above 540°C (1000°F) where deformation resistance and high surface stability are essential.

The chemical composition of UNS R30783 bars is as follows


Content (%)

Nickel,  Ni


Iron,  Fe


Aluminum,  Al


Chromium,  Cr


Niobium,  Nb


Copper,  Cu

0.50 max

Manganese,  Mn

0.50 max

Silicon,  Si

0.50 max

Titanium,  Ti


Carbon,  C

0.03 max

Boron,  B


Phosphorus,  P

0.015 max

Sulfur,  S

0.005 max

Cobalt,  Co


The mechanical property of R30783 bars is as follows




Tensile  strength

1194 MPa

171 ksi

Yield  strength

779 MPa

113 ksi

Poisson’s  ratio



Elastic  modulus

177.3 GPA

25.72 ksi

Elongation  at break



We could produce UNS R30783 bars as per the standard of ASTM B462 and ASTM B473

In order to improve the quality of UNS R30783 bars,we could use VIM (Vacuum Induction Melting),ESR (Electroslag Remelting)and VAR (Vacuum Arc Remelting) to melt the material of UNS R30783 bar

As per heat treatment of UNS R30783 bars, we could do annealed treatment,or solution treatment,ageing treatment as per the requirement of the clients

We could do 100% ultrasonic test according to EN102768-3, SA388,,ASTM A520-1974, Sep 1921 C/c etc as per the requirement of the clients

We also could do 100%  Liquid Penetrant Examination as per the ASTM E165-1995 and 100% Magnetic Particle Examination as per the standard of A275/A275M and so on

We could supply UNS R30783 round bars certificate as per the standard of EN10204-3.1 or EN10204-3.2(By third party,like LR,BV,RINA,ABS,DNV,GL,NK,KR and so on)

In order to control the quality of R30783 bars, We will do following inspections:Charpy Impact Testing,Tensile Testing,Chemical Analysis,Metallurgical Evaluation,Failure Analysis,Hardness Testing,Macrostructure Testing,Stress Rupture Testing as per the needs of the clients

As per surface finish of UNS R30783 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 UNS R30783 bars are widely used in heat exchanger, boiler and pressure vessel manufacturing, pump & valve construction,steam & gas turbines, hydro power applications,petrochemical industries as well as oil and gas industries and so on

In order to export our R30783 bars, We will do proper packing in sturdy wooden boxes, material sealed in plastic foil, to avoid any damage during transport.

Please tell us the size and quantity of UNS R30783 bars UNS R30783 round bars, R30783 rods,that you need, we are glad to quote the best price for you

Except UNS R30783 bars,we also could produce UNS R30783 flanges,UNS R30783 plates,UNS R30783 fastener,UNS R30783 bolts,UNS R30783 fittings,UNS R30783 pipes,UNS R30783 tubes,UNS R30783 springs