Vajra Alloys ESR furnace on the plant floor
Superalloy & Special Steel

Powering the future withSuperalloyStrength

High-performance superalloys and special steels for Aerospace, Defence, Power Generation, Oil & Gas, Railways and advanced engineering industries.

ASTMASMEDIN
Superalloy & Special Steel
Ingot form
Ingot
Bars form
Bars
Plates form
Plates
Rods form
Rods
Coil form
Coil
Sheet form
Sheet
Wire form
Wire
Ingot form
Ingot
Bars form
Bars
Plates form
Plates
Rods form
Rods
Coil form
Coil
Sheet form
Sheet
Wire form
Wire
Engineers reviewing operations on the VAJRA plant floor
01About Vajra
Aerospace
Defence
Power Generation
Oil & Gas
Railways
Advanced Engineering
Who we are

About Vajra Alloys

VAJRA Alloys Private Limited is a manufacturer of high-performance superalloys and special steels for critical applications across Aerospace, Defence, Power Generation, Oil & Gas, Railways and advanced engineering industries.

VAJRA is a subsidiary of Krishca Strapping Solutions Limited (KSSL), a publicly listed company on NSE Emerge and an established manufacturer of high-tensile steel strapping, industrial packaging products and integrated packaging solutions. Krishca brings strong manufacturing capabilities, quality systems, customer relationships and execution expertise to VAJRA.

Our product portfolio includes nickel-based, cobalt-based and iron-based superalloys, along with specialty steels engineered for applications requiring high strength, heat resistance, corrosion resistance and long-term reliability.

Supported by state-of-the-art manufacturing facilities and an experienced technical team, VAJRA is committed to precision, metallurgical consistency and dependable delivery.

Our products are manufactured and tested in line with applicable ASTM, ASME, DIN and other international standards.

With a focus on quality, innovation and customised solutions, VAJRA aims to build a globally competitive advanced-materials platform from India for demanding strategic and industrial applications.

ASTMASMEDINInternational Standards
What drives us

Mission, Vision & Quality

01

Our Mission

To manufacture superalloys and special steels of consistent metallurgical quality that meet the performance demands of critical industries, while building trusted, long-term partnerships through reliability, technical capability and disciplined execution.

02

Our Vision

To be a globally recognised Indian manufacturer of advanced superalloys and special steels, supporting strategic and industrial sectors with materials engineered for performance, precision and dependability.

03

Quality Policy

We are committed to delivering superalloys and special steels that consistently meet customer, statutory and international standard requirements — through robust process control, qualified people, continual improvement and an uncompromising focus on metallurgical integrity.

Manufacturing

Our Facilities

Electroslag Remelting (ESR) Furnace

Electroslag Remelting (ESR) Furnace

Equipped with ESR to produce ultra-clean, high-integrity superalloys and specialty steels for critical applications. By utilizing a controlled remelting process, the furnace ensures superior metallurgical quality, uniform structure, and enhanced mechanical performance.

Engineered for precision and consistency, our ESR facility has advanced process controls to maintain optimal melting parameters, ensuring repeatable quality and high production efficiency.

Furnace Capacity
IMT with 1000Kg
Ingot Size
Dia 80mm, 100mm, 150mm & upto 300mm
Ingot Weight
900Kg
Hot Rolled & Cold Rolled Coil Slitter

Hot Rolled & Cold Rolled Coil Slitter

Our Slitter Line is designed for precision cutting of rolled coils into narrow strips with consistent width, clean edges, and minimal material loss. Engineered for high-strength materials such as stainless steel and superalloys, the system ensures reliable performance and superior output quality.

Built with robust slitting heads and high-precision tooling, the line delivers accurate strip widths while maintaining excellent edge finish. Advanced tension control and guiding systems ensure smooth coil handling, preventing deformation and ensuring uniform slit quality across the entire length.

The process is optimized for efficiency, enabling high-speed operations with consistent repeatability. Our slitting line supports a wide range of thickness and width, making it suitable for diverse industrial applications.

ParameterHR SlitterCR Slitter
Min/Max thickness0.8 – 5.0mm0.1 – 1.0mm
Min/Max width400 – 1600mm15 – 650mm
Max Coil weight30MT15MT
6HI – Rolling Mill

6HI – Rolling Mill

Our 6-Hi Rolling Mill is engineered to deliver exceptional precision, surface quality, and consistency for high-performance superalloys and specialty metals. It ensures superior control over thickness, flatness, and mechanical properties—making it ideal for processing stainless steels and superalloys.

The mill features a six-roll configuration with work rolls, intermediate rolls, and backup rolls, enabling reduced roll deflection and enhanced dimensional accuracy. This advanced setup allows the production of thin gauges with uniform profile and excellent surface finish.

With integrated automation and control systems, the 6-Hi mill maintains consistent rolling parameters, ensuring repeatable quality and high productivity. Its robust design supports efficient processing of hard-to-deform materials while minimizing defects and improving overall yield.

Input Plate thickness
6mm to 8mm
Output sheet thickness
0.1mm to 4mm
Thickness tolerance
+/- 0.01mm
Maximum Width
600mm
Precision Wire Manufacturing Excellence

Precision Wire Manufacturing Excellence

Our state-of-the-art Wire Drawing Facility is designed to manufacture high-quality superalloys, Special steels and Titanium alloy wires with exceptional dimensional accuracy, surface finish, and mechanical properties.

Equipped with advanced drawing machines, heat treatment systems, and stringent quality control processes, we produce wires that meet the demanding requirements of aerospace, automotive, energy, medical, welding, and various industrial applications.

Input Diameter
9 – 10mm
Output Diameter
Upto 0.20mm
Form
Upto Dia 2.5mm – Coil; Above Dia 2.5mm – Coil & Cut to length
Heat Treatment — Boggie Furnace

Heat Treatment — Boggie Furnace

Our Boggie hearth electric furnace operates with modern control systems for accurate heating cycles and process reliability. Its heavy-duty refractory lining and insulated walls minimize heat loss and improve durability and ensures consistent temperature distribution across the entire load.

Heat Treatment — Pit Furnace

Heat Treatment — Pit Furnace

10MT Pit furnace is a heat treatment furnace designed for processing cylindrical components in a controlled and uniform heating environment. The furnace chamber is constructed below ground level (pit), allowing components to be suspended vertically for efficient heat treatment.

How it is made

Cold Rolling Process

01

Uncoiler

02

HR Coil

03

Leveller

04

Looper

05

6Hi Rolling Mill

06

Continuous Bright Annealing Line

07

Cold Rolled Slitter

08

Coiler

Surface Finishes

2B
Smooth finish, reflective grey sheen. Most widely used surface finish.
Bright Annealed (BA)
Cold rolled, annealed in a controlled atmosphere to retain a highly reflective finish.
Hot Rolled (HR)
Scaled finish, ideal if surface finish is not a key concern.
2D
Cold rolled, low reflective matte surface.
2E
Cold rolled, rough and dull finish.

Forms & Sizes

Ingot
Dia 80mm – Dia 300mm
Forged Bars
Dia 75mm – Dia 200mm
Hot Rolled Bars
Dia 12mm – Dia 70mm
Wire & Rod
Dia 0.3mm – Dia 10mm
Cold Rolled Sheet
0.1mm x 600mm x L to 4mm x 600mm x L
Electroslag remelting process diagram
End to end

Superalloy Manufacturing Process

VIMESROpen Die Forging
Hot Rolling MillHot Drawing MillCold Rolling MillWire Mill
Cold Rolled Sheets / StripsHot Rolled PlateForged Bar or ComponentRodsWire
Furnace (Heat Treatment)Final Processing (Machining / Pickling / CG)TestingDispatch
Grades we make

Product Portfolio

#CategoryGradeChemistryFormApplication
1NickelAlloy 80ANi-20C4-Ti-AlIngot, bar, rod, sheet & wireAerospace High Temperature
2NickelAlloy 90ANi-17Co-19Cr-2.5Ti-1.5AlIngot, bar, rod, sheet & wireHigh Temperature & Stress
3NickelAlloy C276Ni-16Mo-15.5Cr-5Fe-4WIngot, bar, rod, sheet & wireHigh Corrosion resistant
4NickelInconel 60074Ni-15.5Cr-8FeIngot, bar, rod, sheet & wireHigh temperature corrosion resistance
5NickelInconel 62562Ni-21.5Cr-9Mo-3.5NbIngot, bar, rod, sheet & wireCorrosion resistance
6NickelInconel 71852.5Ni-19Cr-3Mo-5.1Nb-18FeIngot, bar, rod, sheet & wireAerospace & Power generation
7NickelMonel K40067Ni-30CuIngot, bar, rod & wireCorrosion resistance
8NickelMonel K50066Ni-28Cu-3AlIngot, bar, rod & wireHigh strength & corrosion resistance
9CobaltKC20WN52Co-20Cr-15W-10NiBar, rod, sheet & wireAerospace & Defence
10CobaltMP35N35Co-33Ni-20Cr-10MoIngot, bar, rod, sheet & wireAerospace
11IronIncoloy 800/800HFe-32Ni-21CrIngot, bar, rod, sheet & wirePower generation, Oil & gas
12IronAlloy A28625Ni-15Cr-1Mo-2TiBar, rod, sheet, strip & wireAerospace & Precision Equipments
13Controlled Expansion AlloyINVAR 36Fe-36NiBar, rod, sheet & wireAerospace & Precision Instruments
14Controlled Expansion AlloyKOVARFe-29Ni-17CoBar, rod, sheet & wireAerospace & Medical
15Soft Magnetic AlloyMagnetic iron99Fe-0.12MnRod, strip & wireAutomobile & Electrical Industries
16Martensitic & PH15-5PH15Cr-5Ni-4Nb-4Cu-Fe BalBar, rod, sheet & wireAerospace, Oil & Gas
17Martensitic & PH17-4PH16Cr-4Ni-4Cu-4Nb-Fe BalBar, rod, sheet & wireAerospace & Power generation
18Martensitic & PH14-5PH14Cr-5Ni-3Nb-Fe BalBar, rod, sheet & wireAerospace & Defence
19Martensitic & PH11-10PH11Cr-10Ni-2Mo-Fe BalBar, rod, sheet & wireAerospace & Defence
20Martensitic & PH904L25Ni-19Cr-4Mo-Fe BalBar, rod, sheet & wireHighly corrosive resistant
21Martensitic & PH440B16Cr-1Mn-Fe BalSheets & CoilFood & Medical
22Austenitic30418Cr-8Ni-Fe BalIngot, bar, rod, sheet & wireOil & Gas, Aerospace & Pharma
23Austenitic304L18Cr-8Ni-Fe BalIngot, bar, rod, sheet & wireOil & Gas, Aerospace & Pharma
24Austenitic32118Cr-10Ni-5Si-Fe BalIngot, bar, rod, sheet & wireAerospace, Power generation, Oil & gas
25High Speed SteelM24.2Cr-5Mo-6.4W-1.8VBar, rod & wireDrills & work tools
26High Speed SteelM34.1Cr-5Mo-6.2W-3VBar, rod & wireHighly-wear resistant
27High Speed SteelM73.8Cr-8.6Mo-1.8W-1.9VBar, rod & wireDrill bits & cutting tools
28High Speed SteelM354.2Cr-5Mo-6.4W-4.8Co-1.8VBar, rod & wireMilling cutters, twist drills & reamers
29High Speed SteelM423.8Cr-9.4Mo-1.5W-8Co-1.2VBar, rod & wireReamers & twist drills
30High Speed SteelT4210W-10Co-4Cr-3.5V-3.5MoBar, rod & wireHigh stress tools & bits
Assured quality

Testing Facilities

Tensile Testing
Tensile Testing
Hardness Testing
Hardness Testing
Heat Treatment Furnace
Heat Treatment Furnace
Microstructure Analysis
Microstructure Analysis
Optical Emission Spectrometer
Optical Emission Spectrometer