AL-6XN Ring
Specifications
| Product Form | Seamless Rolled Ring (Forged) |
| Material Type | Super-Austenitic Stainless Steel |
| UNS Designation | N08367 |
| Trade Name | AL-6XN® (Allegheny Technologies Inc.) |
| ASTM Standards | A182, A240, A249, A312, A479, B366, B462, B472, B564, B675, B676, B688, B691, B804 |
| ASME Standards | SA-182, SA-240, SA-249, SA-312, SA-479, SB-366, SB-462, SB-564, SB-675, SB-676, SB-688, SB-691 |
| ASME Boiler Code | Section VIII Div.1 Code Case N-438-3 | B31.1 Case 155-1 |
| NACE Approval | MR0175 |
| Other Approvals | NORSOK M-DP-001, FDA Food Contact, NSF Water |
Chemical Composition
Ni
23.50–25.50%
Nickel
Cr
20.00–22.00%
Chromium
Mo
6.00–7.00%
Molybdenum
N
0.18–0.25%
Nitrogen
Fe
Balance
Iron
Mn
2.00% Max
Manganese
Cu
0.75% Max
Copper
Si
1.00% Max
Silicon
C
0.030% Max
Carbon
P
0.040% Max
Phosphorous
S
0.030% Max
Sulphur
Equivalent Grades
UNS
N08367
AL-6XN®
EN
1.4529
Incoloy 25-6HN
DIN
X1NiCrMoCuN25-20-7
German Standard
AFNOR
Z1CNDU 25-20-06
French Standard
Mechanical Properties
30.5 HRC Max (≈286 HBW)
Hardness
655 MPa (95 ksi) Min
Ultimate Tensile Strength (UTS)
310 MPa (45 ksi) Min
0.2% Yield Strength
30% Min
Elongation
Weight Chart
| Class | OD (mm) | ID (mm) | Height (mm) | Approx. Weight (kg) |
|---|---|---|---|---|
| Small (Class A) | 300 | 200 | 100 | ~31 |
| Medium (Class B) | 600 | 450 | 150 | ~95 |
| Large (Class C) | 1,200 | 900 | 250 | ~530 |
| Heavy (Class D) | 2,000 | 1,600 | 400 | ~1,530 |
| Max-Size (Class E) | 3,000 | 2,400 | 600 | ~5,130 |
Size Range
| Dimension | Min | Max | Unit |
|---|---|---|---|
| Outer Diameter (OD) | 200 | 3,000 | mm (~8" to 120") |
| Ring Height | 50 | 1,500 | mm (~2" to 60") |
| Wall Thickness | 25 | Custom | mm |
| Weight per Ring | 30 | 30,000 | kg |
Recent Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
304 SS Round Bars, 50mm OD, ASTM A276
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
SS 304 Hex Bars, 40mm A/F, Cold Drawn
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
304 SS Flat Bars, 100×20mm, Bright Finish
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
304 SS Square Bars, 40mm, Forged Grade
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
SS 304 Hollow Bars, 80mm OD × 20mm wall
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
304 SS Round Bars 25–100mm, EN 10204 3.2
Delivered in 18 days
Latest Prices of Rings
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