Engineered with Cu and Nb additions, delivering an exceptional yield strength up to 1180MPa (H900 condition). Designed for aerospace fasteners, medical surgical tools, and high-wear mold components. Full MTC traceability and third-party inspection support (SGS/BV).
| Element | Content (%) |
|---|---|
| C | ≤0.07 |
| Si | ≤1.00 |
| Mn | ≤1.00 |
| P | ≤0.040 |
| S | ≤0.030 |
| Cr | 15.0–17.5 |
| Ni | 3.0–5.0 |
| Cu | 3.0–5.0 |
| Nb | 0.15–0.45 |
Physical Properties
Density: 7.78 g/cm³
Melting Point: 1400–1440℃, stable at high temperature
Magnetism: Strong magnetic
Mechanical Properties (H900 Condition)
Tensile Strength: ≥1310MPa
Yield Strength: ≥1180MPa
Elongation: ≥10%
Hardness: HRC 40–44
Chemical Properties
Pitting Resistance: In 3.5% NaCl, pitting potential ≥ +200mV
Intergranular Corrosion Resistance: Excellent after solution + aging treatment
Diameter: Cold-drawn 5–80mm (±0.05mm), Hot-rolled 80–200mm (±0.15mm)
Length: Standard 6m (customizable)
Surface Finish: Hot-rolled black (NO.1), cold-drawn bright (Ra≤1.6μm), optional polishing and passivation
Stainless Steel Bar Inventory Racking System
Spectrometer for Alloy Composition Analysis
Finished Stainless Steel Bars on Storage Racks
Palletized Stainless Steel Bars on Workshop Floor
Secured Stainless Steel Bar Bundles for Shipment
Forklift Loading Bundled Stainless Steel Bars into Freight Truck
20mm diameter 630 PH bars supplied for aircraft engine bolts and landing gear components manufactured in
15mm
High-hardness 630 bar used for precision plastic injection mold cores in
Strict solution treatment at 1020–1060℃ followed by rapid water quenching. Subsequent aging at 470–490℃ (H900 condition) delivers maximum hardness and a yield strength ≥1180MPa.”
Recommended TIG welding with ERNiCrMo-3 filler, clean surfaces, control heat input, interpass temperature <150℃.
Stock: Standard sizes 10–100mm available in stock, 24h delivery
Customization: 7–15 days with mill test certificates and third-party inspection.
Walmay will help match the right stainless product form and specification for your application, confirm quantities and packing needs, and provide requested documents based on order requirements.
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