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Special Grade (New Technology Materials)

XM-19 / Nitronic 50

NITRONIC 50 Stainless Steel provides a combination of corrosion resistance and strength not found in any other commercial material.

This austenitic stainless has corrosion resistance greater than that provided by Types 316 and 316L, plus approximately twice the yield strength at room temperature. In addition, NITRONIC 50 Stainless has very good mechanical properties at both elevated and sub-zero temperatures. And, unlike many austenitic stainless steels,

NITRONIC 50 does not become magnetic when cold worked.

BHARAT AEROSPACE METALS, INDIA can make hot rolled, cold worked, & strain hardened High Performance Stainless Steel (HPSS) bars in house.

We have expanded to enhance product availability.



Nitronic 50 Chemical Requirements
Ni Cr Mo Mn C Si Fe
Max 13.5 23.5 3.00 6.0 0.06 1.00 Bal
Min 11.5 20.5 1.50 4.0






DIN 1.4418 (X4CrNiMo16-5-1)

Equivalent Grades :-

EN 1.4418

DIN X4CrNiMo16-5-1


Available in form Of :-

ROUND BARS, Forged Block, Forged Circle, Proof machined Rings.

Applications :-

Oil and Gas Companies


DIN 1.4122

BHARAT AEROSPACE METALS, MUMBAI STOCK DIN 1.4122 ROUND BARS IN VARIOUS SIZES. 1.4122 is characterised by its combination of outstanding mechanical properties, (after heat treatment) and a corrosion resistance which is comparable with that of 1.4016. 1.4122 can also be polished to high gloss finishes.


Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.39 max. 1.00 max. 1.00 16.50 1.05 max. 1.00

Nimonic 75 / 80A / 90A

nimonic is registered trademark of special metals corporation that refers to a family of nickel-based high tempreture low creep super alloy. bharat aerospace metals stock and supply nimonic alloys from mumbai (india) to whole world.


chemical compositions:-



nimonic 75

(uns n06075)

nimonic 80a

(uns n07080)

nimonic 90a

(uns n07090)

nickel remainder remainder remainder
chromium 18-21% 18-21% 18-21%
iron 5.0% max 3.0% max 3.0% max
silicon 1.0% max 1.0% max 1.5% max
manganese 1.0% max 1.0% max 1.0% max
titanium 0.20-0.60% 1.80-2.70% 1.80-3.0%
copper 0.5% max 0.2% max 0.2% max
carbon 0.08-0.15    % 0.10% max 0.13% max
phosphorus 0.045% max 0.045% max 0.045% max
sulphur 0.015% max 0.015% max 0.015% max
aluminium   1-1.80% 0.80-2.00%
boron   0.008% max  
cobalt   0.20% max. 15.0-21.0%


Nitronic 60 / UNS S21800 (ALLOY 218)

Nitronic 60 is truly an all purpose metal. This fully austenitic alloy was originally designed as a temperature alloy, and subsequently has good high temperature properties for temperatures around 1800ºF. The oxidation resistance of Nitronic 60 is similar to Type 309 S.S., and far superior to Type 304S.S. This grade is best known for its wear and galling resistance.

Chemistry Typical

Carbon: 0.10 max
Manganese: 7.00-9.00
Silicon: 3.5-4.5
Chromium: 16.00-18.00
Nickel: 8.00-9.00
Nitrogen: 0.08-0.18

Mechanical Properties at Room Temperature

Properties: Annealed Typical
Ultimate Tensile Strength: 105 KSI nom (724 MPa nom)
Yield Strength: 55 KSI nom (375 MPa nom )
Elongation: 50% min

Properties: Tempered
Nitronic 60® can be cold worked to various tempers.

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