Inconel 625 round bar ASTM B446 UNS N06625 Rod Manufacturer in China
ASTM B446 covers nickel-chromium-molybdenum alloy bars and forgings, specifically for Alloy 625 (UNS N06625), a corrosion-resistant alloy widely used in high-temperature and high-corrosion environments.
Inconel 625 round bar, also known as UNS N06625, is a high-performance alloy primarily composed of 58% nickel and 20% chromium, with additional elements including iron, manganese, silicon, molybdenum, cobalt, aluminum, titanium, niobium, tantalum, phosphorus, and sulfur
Inconel 625 Round Bar Specification
| ASME and ASTM designation | ASTM B446 / ASTM SB446 |
|---|---|
| Dimensions Schedule | ASTM, ASME |
| OD Size Ranges | 5 To 500 mm |
Chemical Composition of UNS N06625
| Element | Composition Range (%) |
|---|---|
| Nickel (Ni) | 58.0 min (remainder) |
| Chromium (Cr) | 20.0–23.0 |
| Molybdenum (Mo) | 8.0–10.0 |
| Iron (Fe) | 5.0 max |
| Columbium (Nb) | 3.15–4.15 |
| Titanium (Ti) | ≤ 0.40 |
| Aluminum (Al) | ≤ 0.40 |
| Carbon (C) | ≤ 0.10 |
| Manganese (Mn) | ≤ 0.50 |
| Silicon (Si) | ≤ 0.50 |
| Phosphorus (P) | ≤ 0.015 |
| Sulfur (S) | ≤ 0.015 |
Mechanical Properties of N06625 round bar
| Property | Value |
|---|---|
| Tensile Strength | ≥ 120 ksi (827 MPa) |
| Yield Strength (0.2% offset) | ≥ 60 ksi (414 MPa) |
| Elongation | ≥ 30% |
| Hardness | ≤ 32 HRC (typically softer for machining ease) |
Inconel 625 Round Bar Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
benefit of N06625 round bar
Corrosion Resistance:
- Excellent resistance to oxidation and corrosion, especially in highly acidic and marine environments.
- Resistant to pitting, crevice corrosion, and stress-corrosion cracking.
High-Temperature Strength:
- Maintains strength and oxidation resistance up to 980°C (1800°F).
Mechanical Strength:
- High yield and tensile strength without the need for precipitation hardening or cold working.
