High-Temperature Alloy Forging Manufacturer — Inconel, Nimonic, Hastelloy

High Temperature Forging Manufacturer India | Inconel Nimonic Forgings | Shivam Forge

Shivam Forge manufactures precision forgings in high-temperature superalloys — Inconel 718, Inconel 625, Nimonic 80A, Nimonic 90, Hastelloy C-276, and Waspaloy — for gas turbine, aerospace, chemical, and nuclear applications. ISO 9001:2015 certified. Aerospace-adjacent quality. CIF worldwide.

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650–1050°C

Service Temperature Range

Inconel 718

Most Common Superalloy Grade

Nimonic 80A

Gas Turbine Blade Alloy

EN 10204 3.1

Material Certification Standard

Superalloy Forgings for the World's Most Demanding Temperature Environments

High-temperature applications — gas turbine engines, industrial furnaces, chemical reactors, nuclear plant components, and thermal processing equipment — require forged components that maintain mechanical strength, oxidation resistance, and creep resistance at temperatures from 650°C to over 1,050°C. Nickel-based superalloys (Inconel 718, Inconel 625, Nimonic 80A, Nimonic 90, Waspaloy) and cobalt-based alloys are the materials of choice for these environments. Shivam Forge's precision forging capability covers superalloy closed-die and open-die forgings for industrial high-temperature equipment applications — turbine casings, combustion chamber components, heat exchanger tube sheets, and chemical reactor internals.

High-Temperature Alloys We Forge

Inconel 718 (UNS N07718) — -253°C to 700°C

Inconel 718 is the world's most widely used nickel superalloy — used in gas turbine discs, turbine casings, aerospace fasteners, and cryogenic structures. Precipitation-hardened by γ'' (Ni3Nb) phase. Forging temperature: 954–1093°C. Post-forge solution anneal + double aging (718°C + 621°C) for maximum strength. UTS ≥1,380 MPa, YS ≥1,170 MPa, elongation ≥12% per AMS 5664. ASTM B637 / AMS 5662. EN 10204 3.1 with full chemistry OES and mechanical test data. Closed-die and open-die forgings for industrial gas turbine and chemical reactor applications.

Inconel 625 (UNS N06625) — Up to 982°C in Oxidising Environments

Inconel 625 is a solid-solution strengthened Ni-Cr-Mo superalloy with exceptional corrosion resistance in oxidising, reducing, and mixed-gas environments. Used for chemical reactor internals, marine exhaust systems, downhole oil & gas components, and heat exchanger components. Forged in solution-annealed condition. ASTM B446 / ASME SB-446. EN 10204 3.1. Corrosion testing (ASTM G28 for intergranular corrosion) available on request. CIF Hamburg, Jebel Ali, or Rotterdam.

Nimonic 80A (UNS N07080) — Gas Turbine Blades to 815°C

Nimonic 80A is a precipitation-hardened Ni-Cr-Al-Ti alloy developed for gas turbine blading and disc applications. Excellent stress-rupture strength at 815°C. Forging from re-rolled billet. Solution treatment 1,080°C + stabilisation 845°C + precipitation 700°C. UTS ≥1,000 MPa, stress-rupture life ≥100 hours at 750°C/154 MPa per BS 3076. Used for industrial gas turbine (IGT) discs, turbine blade forgings, and exhaust system flanges. EN 10204 3.1 with full certification.

Hastelloy C-276 (UNS N10276) — Chemical Plant to 1,038°C

Hastelloy C-276 is the workhorse Ni-Mo-Cr alloy for severely corrosive chemical environments — resistant to HCl (hydrochloric acid), H2SO4 (sulphuric acid), FeCl3 (ferric chloride), and wet chlorine. Commonly used for chemical reactor agitator shafts, heat exchanger tube sheets, pump impellers, and distillation column internals. Forged from VIM/VAR certified billet. ASTM B574 / B575. EN 10204 3.1. NACE MR0175 service qualification documentation available.

Waspaloy (UNS N07001) — Highest Strength at 870°C

Waspaloy is a precipitation-hardened Ni-Co-Cr superalloy with the highest elevated-temperature tensile strength of the Nimonic family. Used for the most demanding gas turbine discs, compressor discs, and turbine bearing housings. Triple solution treatment + stabilise + precipitation hardening. AMS 5544 / AMS 5709. UTS ≥1,240 MPa, stress rupture ≥100 hours at 870°C/230 MPa. Precision closed-die forgings. EN 10204 3.1, AMS 2750 (pyrometry) certification.

Titanium Grade 5 (Ti-6Al-4V, UNS R56400) — Aerospace & Chemical

Ti-6Al-4V is the most widely used titanium alloy — combining high strength, low density (4.43 g/cm³), and excellent corrosion resistance in seawater, acids, and reducing environments. Used in chemical reactor internals (where Hastelloy would work but titanium provides better cost/weight), marine hardware, and aerospace-adjacent industrial applications. Forging at 900–950°C, annealed. AMS 4928 / ASTM B348. EN 10204 3.1. CIF worldwide.

High-Temperature Forging Applications

Industrial Gas Turbine (IGT) Components

Industrial gas turbines (GE 7HA, Siemens SGT-8000H, Mitsubishi M501) used for power generation and mechanical drive applications (compressors, pumps) use superalloy forgings for hot section components: turbine disc forgings (Inconel 718, Waspaloy), turbine casing ring forgings (Inconel 718, SS 310S), combustion chamber flange forgings, and transition piece hardware. Industrial-grade IGT component forgings (not OEM turbine blades) for retrofit, overhaul, and replacement markets.

Chemical & Petrochemical Reactor Internals

Chemical process plants — particularly those handling HCl, H2SO4, HF (hydrofluoric acid), and chlorinated solvents — use Hastelloy C-276, Inconel 625, and Inconel 718 for reactor agitator shaft forgings, impeller forgings, heat exchanger baffle forgings, and high-pressure valve body forgings. NACE MR0175 qualification, ASTM G28 intergranular corrosion test, and EN 10228 NDE for all chemical reactor forgings.

Heat Treatment Furnace & Industrial Oven Equipment

Industrial heat treatment furnaces (vacuum, atmosphere, carburising, nitriding) use Inconel 600 and Inconel 601 alloy forgings for retort flanges, fan hub forgings, roller shaft forgings, and radiant tube end cap forgings. These components operate at 900–1,100°C in reducing or inert atmospheres. Inconel 600/601 provides excellent oxidation and carburisation resistance at these temperatures. EN 10204 3.1. Standard production from India for furnace OEMs worldwide.

Superalloy Forgings for the World's Most Demanding Temperature Environments

High-temperature superalloy forgings represent the most technically demanding segment of precision forging manufacturing. Components operating at temperatures above 650°C in gas turbines, chemical reactors, industrial furnaces, and nuclear plant auxiliary systems must maintain their mechanical properties — tensile strength, yield strength, creep resistance, fatigue life — when most steels have lost their strength. Nickel-based superalloys like Inconel 718, Inconel 625, Nimonic 80A, and Hastelloy C-276 are engineered specifically for these environments. Shivam Forge's precision forging capability extends into superalloy grades for industrial high-temperature applications.

The industrial market for superalloy forgings is large and growing: power generation companies replacing and upgrading industrial gas turbines, chemical plant operators replacing corroded reactor internals, heat treatment furnace OEMs supplying replacement retort and conveyor components, and oil & gas operators requiring NACE-compliant downhole and wellhead components. Unlike aerospace OEM supply (which requires NADCAP, AS9100D, and customer-specific approvals), industrial superalloy supply typically requires EN 10204 3.1 certification, relevant ASTM/AMS material standards compliance, and customer-specified NDE testing — all within Shivam Forge's standard quality capability.

Superalloy billet is the key long-lead item in any superalloy forging programme. Shivam Forge maintains relationships with European (VDM Metals, Outokumpu, Haynes International distributors) and Indian specialty billet suppliers to ensure access to certified VIM/VAR and wrought superalloy billet within 4–8 weeks. For programme orders with defined annual volumes, we stock billet in our store to reduce lead times to the forging and heat treatment cycle time only (3–4 weeks). Buffer stocking agreements for critical superalloy billet are available for customers with defined annual volume commitments.

For buyers evaluating Shivam Forge for superalloy forging supply: send your component drawing, alloy specification, heat treatment requirement, and NDE requirement to sales@shivamforge.com. We return a USD or EUR CIF quotation within 48 hours for standard superalloy grades (Inconel 718, 625, Hastelloy C-276) and within 5 working days for less common alloys (Waspaloy, Nimonic 90, cobalt alloys) where we need to check billet availability and pricing. Our superalloy team has experience in chemical plant, gas turbine industrial, and heat treatment furnace applications across European, US, and Middle Eastern markets.

Frequently Asked Questions

Can you forge Inconel 718 components?

Yes. Inconel 718 (UNS N07718) precision closed-die and open-die forgings for industrial gas turbine, chemical reactor, and high-temperature industrial applications are within our capability. We forge from certified VIM/VAR billet, solution anneal + double age per AMS 5664, and provide EN 10204 3.1 material test certificates with full OES chemistry and mechanical test data. For aerospace OEM components requiring AMS 2750 pyrometry and FAI documentation, discuss requirements with our quality team.

What superalloys can you forge?

Current superalloy forging capability: Inconel 718, Inconel 625, Inconel 600/601, Nimonic 80A, Nimonic 90, Hastelloy C-276, Hastelloy C-22, Waspaloy, and Titanium Grade 5 (Ti-6Al-4V). For Cobalt-based alloys (Stellite, Haynes 25/L605) and other exotic alloys, discuss requirements with our technical team — billet procurement is the key consideration.

What heat treatment do you perform on superalloy forgings?

Our in-house heat treatment capability for superalloys: Solution anneal (1,010–1,093°C depending on alloy), stabilisation anneal (845°C for Nimonic), and precipitation hardening (718°C + 621°C double aging for Inconel 718). AMS 2750E-aligned temperature uniformity with calibrated thermocouples and automated chart recording. Temperature uniformity surveys (TUS) available on request. Vacuum or controlled atmosphere heat treatment for oxide-sensitive alloys on request.

Can you supply superalloy forgings for chemical plant applications?

Yes — this is one of our core superalloy forging markets. Hastelloy C-276 and Inconel 625 agitator shaft forgings, impeller forgings, and valve body forgings for chemical process equipment are within our standard product range. NACE MR0175 service qualification, ASTM G28 intergranular corrosion test, EN 10228 NDE (UT/PT). EN 10204 3.1. PED 2014/68/EU documentation support for European buyers.

What is the lead time for superalloy forgings?

Superalloy forging lead times are longer than standard alloy steel due to specialty billet procurement: Inconel 718 (standard size): 8–12 weeks. Inconel 625: 8–12 weeks. Nimonic 80A: 10–16 weeks (lower availability billet). Hastelloy C-276: 8–12 weeks. Waspaloy: 12–18 weeks. Titanium Grade 5: 8–12 weeks. Billet is typically the long-lead item — forging, heat treatment, and machining add 3–4 weeks.

Do you supply Inconel forgings to aerospace applications?

We supply precision superalloy forgings to industrial and industrial-aerospace-adjacent applications. For flight-critical aerospace OEM components (FAR/CS 25 aircraft hardware, direct OEM supply), we refer to our aerospace-specialised partner forges with appropriate NADCAP and AS9100D certifications. For aerospace test rig components, ground support equipment, maintenance tooling, and similar non-flight applications, our ISO 9001:2015 certification with EN 10204 3.1 is typically sufficient.

What is the price premium for Inconel vs standard alloy steel forgings?

Inconel 718 billet costs approximately 15–25× more than 42CrMo4 billet per kg, and the finished forging will be proportionally more expensive. As a rough guide: a 5 kg 42CrMo4 forging might cost USD 80–150; the same geometry in Inconel 718 would be USD 600–1,400 depending on billet availability, complexity, and any special testing required. Superalloy forgings are priced individually — send your drawing for a specific quotation.

Can you supply Nimonic 80A forgings for industrial gas turbine disc applications?

Yes. Nimonic 80A forgings for industrial gas turbine disc and blade root applications — in the replacement/retrofit and independent OEM market (not GE/Siemens OEM direct supply) — are within our capability. Precipitation-hardened to BS 3076 NA20 specification. EN 10204 3.1 with full stress-rupture test data if specified. Lead time: 10–16 weeks including billet procurement. Send drawing and specification for EUR/USD CIF quotation.

Why Choose Shivam Forge

Trusted forging manufacturer — Rajkot, Gujarat

Shivam Forge delivers precision hot-forged components from our integrated Shapar, Rajkot facility — covering forging, CNC machining, heat treatment, and quality inspection under one roof.

  • Hot forging from quality alloy steel billets (42CrMo4, C45, EN8, SS316L)
  • In-house CNC/VMC machining to drawing — ±0.05mm tolerances
  • Heat treatment — normalizing, hardening, tempering, annealing
  • CMM inspection and full EN 10204 3.1 material certification
  • Custom OEM forging from customer drawings — PPAP/ISIR available
  • Fast export from Mundra Port — CIF worldwide, FOB India
  • Export expertise — Europe, Middle East, Americas, Asia-Pacific