Incoloy 901 bar is a high-strength, precipitation-hardenable nickel-iron-chromium alloy bar designed for use in high-temperature, high-stress environments. It contains titanium and aluminum for age-hardening and molybdenum for enhanced strength. Incoloy 901 bars are widely used in gas turbines, jet engines, and nuclear power systems where both creep resistance and stability under long-term service conditions are critical. This article outlines the key bar specifications, factory capabilities, and top Incoloy 901 bar manufacturers globally.
Specifications of Incoloy 901 Bars
Manufacturers produce Incoloy 901 bars in various heat-treated conditions and precise tolerances for critical applications.
| Specification | Details |
|---|---|
| Standard | ASTM B637 / UNS N09901 |
| Diameter Range | 10mm – 300mm |
| Length | 1000mm – 6000mm or custom |
| Condition | Solution Annealed, Aged, Hot Rolled, Cold Drawn |
| Form | Round, Square, Flat, Forged Bar |
Top Incoloy 901 Bar Factories
These factories specialize in high-performance alloy bar production for aerospace, power generation, and industrial applications:
| Factory Name | Country | Core Strength |
|---|---|---|
| VDM Metals GmbH | Germany | High-precision aerospace-grade alloy bars |
| Special Metals Corporation | USA | Original developer of Incoloy 901 with complete bar stock range |
| Shanghai Huaxin Alloy Co., Ltd. | China | Custom forged and machined Incoloy 901 bars |
| Gupta Metal Works | India | ASTM B637-compliant precision-rolled bars |
| ATI Specialty Materials | USA | Bars for defense, jet engine, and industrial turbines |
Mechanical Properties of Incoloy 901 Bars
The alloy maintains mechanical integrity even at temperatures up to 600°C (1112°F):
| Property | Typical Value (Aged Condition) |
|---|---|
| Tensile Strength | ≥ 1030 MPa |
| Yield Strength (0.2%) | ≥ 690 MPa |
| Elongation | ≥ 20% |
| Hardness | 260–320 HB |
Certifications and Testing
Bar manufacturers ensure high-quality output through rigorous testing and certification processes:
| Test / Standard | Description |
|---|---|
| ASTM B637 | Standard for bars, forgings, and tubing made from N09901 |
| EN 10204 3.1 / 3.2 | Mill Test Certificates with chemical and mechanical data |
| Ultrasonic Testing (UT) | Internal flaw detection |
| PMI Testing | Positive Material Identification |
| ISO 9001 / AS9100 | Quality Management Systems |
Applications of Incoloy 901 Bars
Due to its exceptional thermal strength and stability, Incoloy 901 bars are used in demanding environments:
| Industry | Application |
|---|---|
| Aerospace | Jet engine shafts, rotor discs, turbine blades |
| Power Generation | Steam turbine bolts, gas turbine components |
| Nuclear | Fasteners and core structural components |
| Petrochemical | High-pressure, high-temperature flanges and parts |
FAQs About Incoloy 901 Bar Factory
What heat treatment conditions are available for Incoloy 901 bars?
Manufacturers offer solution annealed, aged, and double-heat-treated bars depending on the final application requirements.
Can factories supply custom diameter or cut lengths?
Yes, Incoloy 901 bar factories can provide customized diameters, cut-to-length bars, and machined-to-drawing orders.
Are aerospace-grade Incoloy 901 bars available?
Yes, aerospace-grade bars complying with AMS and ASTM standards are produced by factories with AS9100 or NADCAP accreditation.
English 
Korean 
Japanese 
Arabic 
Spanish 
German 
Portuguese 
French 
Russian 
Italian