UNS S20400 Bars
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We could produce UNS S20400 bars, S20400 bars,UNS S20400 round bars, UNS S20400 rods,UNS S20400 square bars,UNS S20400 flat bars,UNS S20400 hot rolled bars, S20400 cold drawn bright bars,S20400 forged bars, UNS S20400 forging bars,UNS S20400 Hexagon Bar,UNS S20400 rectangular bars from china.

We could produce UNS S20400 bars with diamter from from 5MM to 1000MM and length up to 15 metres

UNS S20400 is a nitrogen strengthened stainless steel developed for applications requiring a good level of aqueous corrosion resistance combined with good toughness and economy.

The chemical composition of UNS S20400 bars is as follows



Carbon 0.03 max.

Manganese 7.0–9.0

Phosphorus 0.040 max.

Sulfur 0.030 max

Silicon 1.00 max.

Chromium 15.0–17.0

Nickel 1.5–3.0

Nitrogen 0.15–0.30

Copper 1.00 max.

The mechanical property of S20400 bars is as follows

Ultimate Tensile, min.

Yield Strength (0.2% OS) min.

Elong. in 2 in., or 50mm, min., %


Hardness, max.


95 KSi

48 KSi



241 Brinell


655 MPa

330 MPa


100 Rockwell B

We could produce UNS S20400 bars as per the standard of ASTM B462 and ASTM B473

In order to improve the quality of UNS S20400 bars,we could use VIM (Vacuum Induction Melting),ESR (Electroslag Remelting)and VAR (Vacuum Arc Remelting) to melt the material of UNS S20400 bar

As per heat treatment of UNS S20400 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 S20400 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 S20400 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 S20400 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 S20400 bars are widely used in Aerospace .Computer industries .Automotive industries .Electric and electronic industries ,Medical, hydraulic and pneumatic industries ,High-end hardware product industries and so on

In order to export our S20400 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 S20400 bars UNS S20400 round bars, S20400 rods,that you need, we are glad to quote the best price for you

Except UNS S20400 bars,we also could produce UNS S20400 flanges,UNS S20400 plates,UNS S20400 fastener,UNS S20400 bolts,UNS S20400 fittings,UNS S20400 pipes,UNS S20400 tubes,UNS S20400 springs