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

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

309S is Another stainless steel for use at high temperatures but with lower nickel than GRADE 310 enabling the alloy to be more resistant to sulphidation.

The chemical composition of 309S bars is as follows

Carbon		0.08 max
Chromium		22 - 24
Iron		Balance
Manganese		2 max
Nickel		12 - 15
Phosphorus		0.045 max
Silicon		1 max
Sulphur		0.03 max

The mechanical property of 309 S bars is as follows

Properties	Metric	Imperial
Tensile  strength, ultimate	620 MPa	89900 psi
Tensile  strength, yield (0.2%)	310 MPa	45000 psi
Elongation  at break (in 50 mm)	45%	45%
Hardness,  Brinell (converted from Rockwell B hardness)	147	147
Hardness,  Knoop (converted from Rockwell B hardness)	164	164
Hardness,  Rockwell B	85	85
Hardness,  Vickers (converted from Rockwell B hardness)	169	169

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

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

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

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

We could supply 309S 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 S 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 309S 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 309S bars are widely used in Hydro-carbon industries,Electronics & electrical companies,Fertilizers manufacturing companies,Chemical industries,Steel pipes manufacturing industries,Construction companies,Gas processing units,Pharmaceutical drugs manufacturing companies,Oil drilling companies and so on

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

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