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Model No: Inconel 725 Nickel
ASTM B127 / Inconel 725 Nickel Alloy
Inconel 725 is a specialty alloy designed to meet the demands of high-strength, high-corrosion applications (particularly stress corrosion cracking). Its unique chemical composition (precipitation-hardened through elements such as niobium and titanium) and rigorous heat treatment process make it a reliable choice for deepwater oil and gas applications.
Delivery :
FOB
minimum order :
50 kilograms
Supply Ability :
5000Tonkilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
ASTM B127 / Inconel 725 Nickel Alloy Material Introduction
Inconel 725 is a precipitation-hardening nickel-chromium-molybdenum-niobium alloy designed for extreme corrosive environments and high-temperature and high-pressure applications. It achieves high strength through aging treatment while offering excellent resistance to stress corrosion cracking, pitting, crevice corrosion, and high-temperature oxidation. Inconel 725 is a precipitation-hardening nickel-chromium-molybdenum-niobium alloy designed for extreme corrosive environments and high-temperature and high-pressure applications. It achieves high strength through aging treatment while offering excellent resistance to stress corrosion cracking, pitting, crevice corrosion, and high-temperature oxidation.
Purchasing Tips
When selecting and purchasing Inconel 725 alloy plate, please consider the following: When selecting and purchasing Inconel 725 alloy plate, please consider the following:
- Clarify Requirements and Certifications: Confirm your application environment (temperature, media, stress) and specific material performance requirements. Lork Group offers fast delivery of ASTM B127 / Inconel 725 Nickel Alloy in stock for material testing, research, and more.
- You can verify standards and conditions: When purchasing, specify that the material conforms to the appropriate standard, such as ASTM B424 or ASTM B127.
Be sure to specify the desired material condition and heat treatment (usually solution + aging), as this is critical to performance. Lork Group's delivery of spot materials in different heat treatment conditions is not fixed; please contact us for more information. - Supplier Inspection and Quality Inspection: Select suppliers with advanced melting processes such as vacuum induction melting (VIM) + electroslag remelting (ESR) or vacuum autoclave remelting (VAR) to ensure material purity.
Require suppliers to provide a complete Material Quality Certificate (MTC) and may include third-party re-inspections (such as compositional spectroscopy, mechanical property testing, and non-destructive testing) in the contract.
By choosing Lork Group, you will learn about the entire ASTM B127 / Inconel 725 Nickel Alloy production and quality inspection system, and you can customize services.
ASTM B127 / Inconel 725 Nickel Alloy Chemical Composition
| Cr | Ni | Mo | Co | Nb (+Ta) | Ti | W | Cu | C | Mn | N | Si | P | S | Fe | Al | |
| Min | 19.00 | 55.00 | 7.00 | 2.75 | 1.00 | |||||||||||
| Max | 22.50 | 59.00 | 9.50 | 4.00 | 1.70 | 0.03 | 0.35 | 0.20 | 0.015 | 0.01 | Bal | 0.35 |
ASTM B127 / Inconel 725 Nickel Alloy Mechanical Properties
| Bars up to 3” (76mm) diameter or section | Bars greater than 10” (254mm) in diameter or section | Bars greater than 10” (254mm) in diameter or section | |||||
| 0.2% Proof Stress, min | 827 N/mm2 | 120 ksi | 827 N/mm2 | 120 ksi | 827 N/mm2 | 120 ksi | |
| Tensile strength, min | 1034 N/mm2 | 150 ksi | 1034 N/mm2 | 150 ksi | 1034 N/mm2 | 150 ksi | |
| Elongation, 5.65√S0 and 4D | 20% | 20% | 20% | ||||
| Reduction of Area | 35% | 35% | 35% | ||||
| Hardness (Rockwell C) | <43 | <43 | <43 | ||||
| Impact Strength (-60oC) Longitudinal, Typical | 54J av (47J min) | 40 ft.lb av (35 ft.lb min) | |||||
| Impact Strength (-60oC) Transverse, Typical | 50J av (43J min) | 37 ft.lb av (32 ft.lb min) | 43J av (37J min) | 32 ft.lb av (27 ft.lb min) | |||
Notes:
- Tensile testing shall be carried out in accordance with ASTM A370 or EN 10002-1
- Minimum properties quoted (tested at room temperature in a longitudinal direction)
- Testing is performed on each melt of material per heat treatment batch
ASTM B127 / Inconel 725 Nickel Alloy Physical Properties
| Density (Kg.m-1) | 8310 |
| Magnetic Permeability (20°C) | < 1.001 |
| Young’s Modulus (kN/mm2) | 204 |
| Poissons Ration | 0.31 |
| Specific Heat, 20°C (J/(g.K)) | 0.43 |
| Electrical Resistivity, 20°C (µΩ-m) | 1.144 |
| Thermal conductivity, 20°C (W/(m.K)) | 10.6 |
| Mean coefficient of thermal expansion, 20-100°C (/K) | 13 x 10-6 |
Lork Group is a leading supplier and exporter of high-performance nickel alloys like ASTM B127 / Inconel 725 Nickel Alloy. We maintain extensive stock to meet the urgent demands of the global energy and chemical sectors.
We offer:
Alloy 725 is available in Bar, Round Bar, Flat Bar, and Forging Stock.Contact Lork Group Sales for further availability.
Contact Lork Group today to request a competitive quotation, check availability, or discuss your technical requirements with our specialists.
WhatsApp： +86-17513081871
Email： daiy@lorkgroup.com
