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⚙️ Global High‑End Application Cases

Nickel Alloys · Stainless Steel · Specialty Forgings · Composites – Supplying World‑Class Projects

ITER nuclear fusion project
ITER Nuclear Fusion – Inconel 718 Forged Bars
MaterialInconel 718 (UNS N07718)
GradeASTM B637, VIM+VAR
CountryInternational (CAS/KIT)
Weight≈ 1.4 tons
Key Challenge 4K cryogenic performance, nuclear‑grade Co/Ta limits, stringent microstructure control
SolutionDouble vacuum melting (VIM+VAR), precise heat treatment, full CAS/KIT third‑party inspection
Nuclear Fusion · Research
Aircraft turbine disc forging
Aviation Turbine Disc – Superalloy Precision Forgings
MaterialInconel 718 / Waspaloy
GradeUNS N07718 / GH738
CountryGlobal (OEM)
WeightUp to 500 kg/pc
Key Challenge 650°C high‑temperature strength, low‑cycle fatigue (LCF), direct‑aging requirement
SolutionMulti‑stage closed‑die forging + solution + double aging, 100% UT/PT, AMS 5663
Aviation · Propulsion
Launch vehicle structural forgings
Launch Vehicle Structural Forgings – Tank Rings & Engine Housings
MaterialAl‑Li alloy / Inconel 718 / Ti‑6Al‑4V
GradeMultiple (AMS/ASTM)
CountryGlobal (Commercial Space)
WeightRings up to φ10‑12m, multi‑ton
Key Challenge ‑253°C cryogenic, ultra‑large dimensions, weld elimination, aerospace reliability
SolutionRing rolling near‑net shape, AS9100/NADCAP, phased‑array UT + X‑ray + CMM
Space · Launch
XM-19 cryogenic deep-sea valve stem
Cryogenic Deep‑Sea Valve Stem – XM‑19 High‑Strength Stainless
MaterialXM‑19 (UNS S20910)
GradeASTM A479
CountryMultinational (Designated Supplier)
Weight≈ 20 tons/year
Key Challenge Simultaneously achieving ‑196°C impact ≥40J and tensile ≥1000MPa
SolutionCustomized melt chemistry, optimized thermo‑mechanical processing, 100% UT and cryogenic impact testing
Oil & Gas · Valves
Saudi Aramco pressure vessel plates
Saudi Aramco & ADNOC – Pressure Vessel Stainless Steel Plates
Material316 / 316L
GradeASTM A240 / ASME SA240
CountrySaudi Arabia / UAE
WeightCumulative > 1000 tons
Key Challenge NACE MR0175 certification, TISCO origin requirement, complex TUV inspection
SolutionDirect sourcing from TISCO, full MTC, TUV third‑party survey
Oil & Gas · Pressure Vessels
Octagonal ring gasket Inconel 625
Octagonal Ring Gaskets – Inconel 625 Clad
MaterialSoft Iron core + Inconel 625 cladding
GradeASME B16.20
CountryUAE
WeightN/A
Key Challenge Client required extremely low hardness to ensure proper sealing
SolutionCustom heat treatment to control hardness while meeting ASME dimensions
Oil & Gas · Sealing
Nickel alloy welding consumables
Nickel Alloy Valve Overlay Consumables – India
MaterialInconel 625 / 718
GradeAWS A5.14 / A5.11
CountryIndia
WeightMultiple repeat orders
Key Challenge No major challenge; required stable supply and AWS compliance
SolutionBrand‑certified materials, full MTC and origin certificates
Oil & Gas · Welding
Stainless steel clad plate explosion bonded
Stainless Clad Plate – Brazilian Heat Exchanger Fabrication
MaterialA516 Gr.70 + 316L explosion‑bonded
GradeASTM A516 + ASTM A240
CountryBrazil
WeightN/A
Key Challenge Complex explosion bonding process, tight delivery schedule
SolutionCustom explosion welding parameters, coordinated production, complete inspection reports
Industrial · Heat Exchangers
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Allianz Steel Group specializing in the supplies of special metal and related processing service, was established in 1996.
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