Products Specification

630 (17-4PH) Stainless Steel Strip – Engineered for Extreme Reliability

Where Precision Meets Unyielding Durability

Compliance: NORSOK M-650, ASME SB-705, MIL-S-81591
Material Family: Ultra-High-Strength PH Stainless Steel

Breakthrough Innovation

630 stainless steel strip (17-4PH) redefines performance in the most unforgiving environments. Designed for applications demanding sub-zero resilience, ultra-high vacuum compatibility, and resistance to hydrogen embrittlement, it sets a new benchmark for critical engineering alloys.

Exclusive Performance Attributes

• Cryogenic Readiness: Maintains tensile strength above 1000 MPa (145 ksi) at -196°C (-321°F) (liquid nitrogen temperatures).

• Hydrogen Resistance: Certified for use in hydrogen storage systems (NACE MR0175/ISO 15156).

• Ultra-High Vacuum (UHV) Suitability: Outgassing rates <1×10⁻⁹ Torr·L/s, ideal for semiconductor and space applications.

• Radiation Tolerance: Stable microstructure under neutron/gamma radiation (tested to 10⁶ Gy).

Microstructural Excellence

Advanced Alloy Design:

• Chromium (16.0–17.0%): Laser-optimized for passive film stability.

• Copper (3.3–4.3%): Nano-cluster precipitation for uniform aging response.

• Nitrogen (≤0.03%): Controlled to prevent sensitization in weld zones.

Post-Aging Performance (H1150-M Condition):

• Torsional Strength: 850 MPa (123 ksi)

• Corrosion Fatigue Limit: 550 MPa (80 ksi) in 3.5% NaCl

• Creep Resistance: 0.1% deformation/1000h @ 400°C (750°F)

• Surface Roughness: Achievable Ra <0.1 µm with mirror finishing

Mission-Critical Applications

• Cryogenics: LNG valve springs, superconducting magnet housings

• Deep-Sea Exploration: Submersible hydraulic components (tested to 11,000m depth)

• Nuclear Fusion: Plasma-facing diagnostic mounts

• Photonics: Ultra-stable optical mounting systems

Advanced Quality Assurance

• 3D Metrology: CT-scan verified internal integrity for aerospace castings

• AMS2750 Pyrometry: Precision-controlled aging furnaces (±3°C uniformity)

• Hydrogen Embrittlement Testing: 200+ hour sustained load testing per ASTM F519

• Lot-Specific FEM Analysis: Finite element modeling reports for fatigue-critical designs

Sustainability & Circular Economy

• Zero Liquid Discharge (ZLD) Production: Water recycling rate >99%

• Cradle-to-Cradle Certified®: Gold level for material health and reutilization

• Carbon Offsets: Verified REDD+ credits for full carbon neutrality

Global Partner Benefits

• Co-Engineering Portal: Real-time alloy customization platform with AI-driven property prediction

• Risk Mitigation: On-site inventory hubs in 15 strategic locations worldwide

• Regulatory Navigation: Dedicated team for ITAR, EAR, and EU-DPR compliance