Maraging 350，Vascomax C350 Strip，,E FORU

British Specs:，American Specs: AMS 6515 MIL-S-46850，German Specs: WS 1.6356

**Product Name:** Maraging 350 / Vascomax® C350 Strip **Material Type:** Ultra-High-Strength Maraging Steel Strip **Standard:** AMS 6521, ASTM A693, MIL-S-8949 --- ### **Overview** Maraging 350 (commercially known as **Vascomax® C350**) Strip is a precision-rolled, ultra-high-strength maraging steel supplied in thin strip form. This material combines exceptional strength (350 ksi yield strength) with excellent formability, making it ideal for weight-sensitive and space-constrained applications in aerospace, defense, and precision engineering industries. --- ### **Key Advantages** - **Ultra-High Strength-to-Weight Ratio:** Perfect for lightweight structural components - **Precision Thickness Control:** Tight tolerances for critical applications - **Excellent Spring Properties:** High elastic limit and fatigue resistance - **Superior Surface Quality:** Suitable for exposed components - **Age-Hardenable:** Can be formed soft and then strengthened - **Good Weldability:** Compatible with common welding techniques --- ### **Chemical Composition (Typical Weight %)** | Element | Content (%) | Element | Content (%) | |---------------|-------------|-------------|-------------| | Nickel (Ni) | 18.0–19.0 | Cobalt (Co) | 11.5–12.5 | | Molybdenum (Mo)| 4.6–5.2 | Titanium (Ti)| 1.3–1.6 | | Carbon (C) | ≤0.03 | Manganese (Mn)| ≤0.10 | | Silicon (Si) | ≤0.10 | Sulfur (S) | ≤0.010 | | Aluminum (Al) | 0.05–0.15 | Zirconium (Zr)| 0.01–0.02 | | Boron (B) | 0.003–0.005 | Iron (Fe) | Balance | --- ### **Physical & Mechanical Properties** #### **Physical Properties** - **Density:** 8.10 g/cm³ (0.292 lb/in³) - **Melting Point:** 1,410°C (2,570°F) - **Thermal Expansion Coefficient:** 10.2 × 10⁻⁶/°C (20–100°C) - **Modulus of Elasticity:** 185–190 GPa (27 × 10⁶ psi) - **Electrical Resistivity:** 0.70 μΩ·m at 20°C #### **Mechanical Properties (Aged Condition)** | Property | Thin Strip (≤0.5mm) | Standard Strip (0.5-2.0mm) | |---------------------------|---------------------|----------------------------| | Tensile Strength | 2350-2500 MPa | 2450-2550 MPa | | Yield Strength (0.2%) | 2250-2400 MPa | 2340-2410 MPa | | Elongation in 2" | 3-6% | 6-10% | | Hardness | 52-56 HRC | 54-57 HRC | | Flatness | ±0.001"/in | ±0.0005"/in | *Supplied in solution-annealed condition (30-35 HRC) for forming.* --- ### **Product Specifications** #### **Available Sizes** - **Thickness:** 0.05 mm to 2.0 mm (0.002" to 0.080") - **Width:** Up to 600 mm (24") - **Temper:** Annealed (for forming) or Aged (full strength) #### **Surface Conditions** - Bright annealed finish - Matte finish available - Special coatings upon request --- ### **International Standards** - **AMS 6521:** Maraging Steel 350 Sheet, Strip, and Plate - **ASTM A693:** Precipitation-Hardening Stainless and Maraging Steel Plate, Sheet, and Strip - **MIL-S-8949:** Maraging Steel Plate, Sheet, and Strip - **AMS 2247:** Steel Foil and Strip, Corrosion and Heat-Resistant --- ### **Applications** #### **Aerospace & Defense** - Precision springs for guidance systems - Missile component retainers - Aircraft control system components - Satellite structural elements - Lightweight armor applications #### **Electronics & Medical** - Connector springs - Medical instrument components - Surgical device elements - Lead frames for electronics - Miniature precision parts #### **Industrial & Automotive** - High-performance spring clips - Precision washers and shims - Sensor components - Fuel injection parts - Safety critical fasteners --- ### **Fabrication Guidelines** 1. **Heat Treatment** - Solution Annealing: 815–830°C (1500–1525°F) - Age Hardening: 480°C ± 5°C (900°F ± 10°F) for 3–6 hours 2. **Forming & Machining** - All forming should be done in annealed condition - Use sharp tools and positive rake angles - Maintain adequate coolant flow 3. **Welding** - Recommended in annealed condition - Use matching filler material - Post-weld aging required --- ### **Quality Assurance** - 100% dimensional verification - Surface quality inspection - Mechanical property testing - Chemical analysis certification - Ultrasonic cleaning available --- ### **Packaging** - Protective interleaving - Moisture-proof wrapping - Precision wound on cores - Custom packaging available --- ### **Conclusion** Maraging 350/Vascomax® C350 Strip offers an exceptional combination of ultra-high strength, precision formability, and reliable performance in thin-section applications. Its unique characteristics make it the material of choice for critical components in aerospace, medical, and electronics industries where space and weight constraints demand the ultimate in material performance. --- *Vascomax® is a registered trademark of leading specialty steel manufacturers. Typical values provided; verify specific requirements for critical applications.*

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2658 gallon liquid totes Special package is available on request.