Special Steels

Engineered
To
Perform

300M & 4340 — Ultra High Strength Steel
Special Steels
Maraging Steel 250 & 300 — Aerospace & Tooling Grades
Special Steels
H13 & D2 Tool Steels — Precision Tooling & Mould
Special Steels
Stainless Steel 17-4 PH & 15-5 PH — Precipitation Hardened
Special Steels

PRECISION-ENGINEERED SPECIAL
STEELS FOR THE
WORLD'S MOST DEMANDING
APPLICATIONS.

Our special steels are AMS & MIL-SPEC certified, supplied with full material traceability
and chemical certification — ready for aerospace, defence, and precision engineering applications.

Ultra High Strength Steels

300M and 4340 alloy steels delivering tensile strengths above 1800 MPa for aerospace landing gear, shafts, and structural components.

Maraging Steels

Maraging steel grades 250 and 300 combining ultra-high strength with good fracture toughness for aerospace tooling, die casting, and high-performance mechanical components.

Tool & Die Steels

H13 hot work tool steel and D2 cold work die steel for high-performance tooling, precision moulds, dies, and cutting applications.

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300M is a low-alloy ultra-high-strength steel with a minimum tensile strength of 1930 MPa. Developed for aircraft landing gear, this vacuum-melted steel provides excellent fracture toughness and fatigue resistance.

300M Steel — Ultra-High Strength

Landing Gear & Aerospace Structural

4340 alloy steel is a nickel-chromium-molybdenum high-strength steel widely used for aerospace gears, crankshafts, and structural components. Offers excellent toughness, wear resistance, and hardenability in large sections.

4340 Alloy Steel — High Strength

Gears, Shafts & Structural Grade

Maraging steel grade 250 is an ultra-high-strength, low-carbon, iron-nickel alloy with remarkable toughness and weldability. Used extensively in aerospace tooling, missile casings, and high-precision engineering.

Maraging Steel 250 — Ultra-Tough

Aerospace Tooling & Missile Grade

H13 is a chromium-molybdenum-vanadium hot work tool steel with exceptional high-temperature strength, thermal shock resistance, and toughness — ideal for die casting dies, forging tools, and extrusion tooling.

H13 Tool Steel — Hot Work Grade

Die Casting & Forging Tools

17-4 PH stainless steel is a precipitation-hardening martensitic stainless steel combining high strength, hardness, and corrosion resistance. Widely used in aerospace, petrochemical, and defence applications.

17-4 PH Stainless — Precipitation Hardened

Aerospace & Chemical Processing Grade

All special steels from Taurus Advanced Materials are supplied with full AMS and MIL-SPEC certification, material test reports, and chemical analysis documentation — ensuring complete traceability for regulated industries.

AMS & MIL-SPEC Certification

Fully Traceable. Audit-Ready Supply.
Why Choose Special Steels
THE STEEL ADVANTAGE
Built for extreme performance. Proven in precision applications.
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Special Steels FAQs

The answers
to your questions.

Taurus Advanced Materials supplies ultra-high-strength steels (300M, 4340), maraging steels (grades 250, 300), tool steels (H13, D2), and precipitation-hardening stainless steels (17-4 PH, 15-5 PH) in all standard product forms.

Yes. All special steels from Taurus come with AMS and MIL-SPEC certifications including material test reports, chemical analysis documentation, and heat traceability for full regulatory compliance.

Special steels from Taurus are available in round bar, square bar, flat bar, plate, sheet, forgings, and billet forms. Custom cut lengths and near-net-shape forgings are available on request.

Lead times vary depending on grade, form, and quantity. Standard stock items are typically available for dispatch within 2–5 business days. Custom cut lengths and forged products may require 2–4 weeks. Contact our team for accurate lead time estimates for your specific requirement.

There is no strict minimum order quantity for standard grades. We supply from small trial quantities to full production volumes. However, for custom grades or near-net-shape forgings, minimum quantities may apply. Contact us with your specific requirement for a tailored quote.

Yes. Taurus Advanced Materials exports special steels globally, complying with all applicable export regulations and ITAR/EAR guidelines. All necessary export documentation, including mill certificates and compliance paperwork, is provided with each shipment.

Yes. Our special steels — including ultra-high-strength steels, maraging steels, and precipitation-hardening stainless steels — are widely used in aerospace structures, landing gear, missile components, and defense hardware. All materials meet stringent aerospace quality standards.

Yes. Taurus offers value-added processing services including custom heat treatment (annealing, hardening, tempering), precision cutting to length, and surface preparation. These services ensure material is delivered ready for your manufacturing process, reducing lead times on your end.