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321H Bars
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We could produce 321H bars, 321 H bars,321H round bars, 321H rods,321H square bars,321H flat bars,321H hot rolled bars, 321 H cold drawn bright bars,321 H forged bars, 321H forging bars,Nimonic 90 Hexagon Bar,321H rectangular bars from china.

The diameter of 321H bars that we could do ranges from 6MM to 800MM. The length of 321H bars that we could do is up to 15 metres

321H is a general purpose austenitic stainless steel that is stabilized against carbide precipitation and designed to work within the carbide precipitation temperature range 427 to 816°C (800 to 1500°F)


The chemical composition of 321H bars is as follows

Element

Content (%)

Iron,  Fe

Balance

Chromium,  Cr

17-19

Nickel,  Ni

9-12

Manganese,  Mn

2

Silicon,  Si

1

Titanium,  Ti

0.35

Phosphorous,  P

0.045

Carbon,  C

0.04-0.10

Sulfur,  S

0.03


The mechanical property of 321 H bars is as follows

Properties

Metric

Imperial

Tensile  strength

480 MPa

69600 psi

Yield  strength

205 MPa

29700 ksi

Elongation  at break

29%

29%

Hardness,  Brinell

≤187

≤187


We could produce 321H bars as per the standard of ASTM B462 and ASTM B473

As per melting methods for 321H 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 321H bars, we could do annealed treatment,or solution treatment,ageing treatment as per the requirement of the clients

Our 321 H bars could be  100% ultrasonic test according to EN102768-3, SA388,,ASTM A520-1974, Sep 1921 C/c etc.

Our 321H bars could be 100%  Liquid Penetrant Examination as per the ASTM E165-1995

We could supply 321H 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 321 H 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 321H 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 321H bars are widely used in Sulphuric acid piping and vessels,Phosphoric acid evaporators, Pickling tank heaters, pickling tanks and equipment,Chemical process equipmentTank trucks,Calorifiers,Electrostatic precipitator electrodes,Hot vessels for food, water and seawater,ammonium sulphate vessels,Expansion bellows, Marine exhaust systems,Power station ash hoppers and so on


Please tell us the size and quantity of 321H bars 321H round bars, 321 H rods,that you need, we are glad to quote the best price for you

Except 321H bars,we also could produce 321H flanges,321H plates,321H fasteners,321H bolts,321H pipe fittings,321H pipes,321H tubes,321H springs