AISI 309 Bars
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We could produce AISI 309 bars, 309 bars,AISI 309 round bars, AISI 309 rods,AISI 309 square bars,AISI 309 flat bars,AISI 309 hot rolled bars, 309 cold drawn bright bars,309 forged bars, AISI 309 forging bars,Nimonic 90 Hexagon Bar,AISI 309 rectangular bars from china.

The diameter of AISI 309 bars that we could do ranges from 6MM to 800MM. The length of AISI 309 bars that we could do is up to 15 metres

AISI 309 is known for good strength and oxidation resistance in continuous service temperatures up to 2000 F (1093 C).

The chemical composition of AISI 309 bars is as follows


0.2 max


22 - 24




2 max


12 - 15


0.045 max


1 max


0.03 max

The mechanical property of 309 bars is as follows




Tensile  strength

620 MPa

89900 psi

Yield  strength (@ strain 0.200%)

309 MPa

45000 psi

Elongation  at break (in 50 mm)



Hardness,  Brinell



Hardness,  Rockwell B



Hardness,  Vickers (converted from Rockwell B hardness)



We could produce AISI 309 bars as per the standard of ASTM B462 and ASTM B473

As per melting methods for AISI 309 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 AISI 309 bars, we could do annealed treatment,or solution treatment,ageing treatment as per the requirement of the clients

Our 309 bars could be  100% ultrasonic test according to EN102768-3, SA388,,ASTM A520-1974, Sep 1921 C/c etc.

Our AISI 309 bars could be 100%  Liquid Penetrant Examination as per the ASTM E165-1995

We could supply AISI 309 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 309 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 AISI 309 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 AISI 309 bars are widely used in Heat shields,Combustion and chimney liners,Valves,Piping,Distillation columns,Bubble caps,Reaction vessels Heat exchangers,Furnace,Gas turbine engine duct work,Equipment used to produce acid and so on

Please tell us the size and quantity of AISI 309 bars AISI 309 round bars, 309 rods,that you need, we are glad to quote the best price for you

Except AISI 309 bars,we also could produce AISI 309 flanges,AISI 309 plates,AISI 309 fasteners,AISI 309 bolts,AISI 309 pipe fittings,AISI 309 pipes,AISI 309 tubes,AISI 309 springs