Product classification

Ultra High Strength Steel

Ultra high strength steel is a specially engineered alloy steel with exceptional tensile strength, high hardness, excellent fatigue resistance, and toughness, used in aerospace, automotive, defense, and heavy engineering applications.

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Product Description

Grade:

Material	Type	Ultimate Tensile Strength (MPa)	Toughness / Notes	Typical Applications
AerMet 100	Ni-Co precipitation-hardened steel	~1930	High toughness, excellent fatigue resistance	Aircraft landing gear, missile structures
AerMet 310	Ni-Co precipitation-hardened steel	~2275	Very high strength, good toughness	Aerospace structural parts
AerMet 340	Ni-Co precipitation-hardened steel	~2340	Ultra high strength, slightly lower toughness	Aerospace, defense components
Maraging 250	Ni-based maraging steel	~1720	Excellent toughness, easy machining	Aerospace, tooling, molds
Maraging 300	Ni-based maraging steel	~2030	High strength and toughness	Aerospace, tooling, high-stress components
Maraging 350	Ni-based maraging steel	~2410	Ultra high strength, good toughness	Aerospace, missile and defense parts
300M	Modified 4340 steel, ultra-high-strength	~1930	High toughness, good fatigue resistance	Aircraft landing gear, structural components
4340 (QT)	Quenched and tempered alloy steel	850–1400	Good toughness, fatigue resistance	Automotive, aerospace, heavy engineering
HP 9-4-30	Ni-Co based high-strength steel	~1650–1900	High strength, moderate toughness	Aerospace landing gear
VascoMax	Ni-Co alloy ultra-high-strength steel	~2000–2300	Excellent fatigue resistance	Aerospace and defense applications
18Ni250	Ni-based maraging steel	~1720–1900	High toughness, machinable	Aerospace structural parts, tooling

Size:

Pipe: Φ9.53 mm–610 mm

Pipe fittings: DN15–DN600

Bar: Φ10–Φ260 mm

Strip: t = 0.2–3.0 × 8–280 mm

Plate: t = 3–25 × 250–3000 mm

Forgings: t = 30–80 × 50–350 mm

Profiles: t = 8–150 × 8–400 mm

Wire: Φ0.20–Φ12 mm

Rings / Discs: ring diameter ≤ Φ2000 mm

Coiled tubing: Φ6.35 mm, 9.53 mm, 12.7 mm, etc.

Other specifications and sizes can be supplied according to customer requirements.

Application:

Aerospace, aviation components, defense and military equipment, marine engineering, offshore oil and gas, chemical processing, petrochemical industry, power generation, nuclear energy, high-temperature furnace equipment, automotive and motorsport, shipbuilding, medical devices, electronics and semiconductor manufacturing, mining and heavy machinery, tooling and mold industry, pressure vessels and heat exchangers, renewable energy (wind, geothermal).

Special Alloy Steel