ASTM B247 Aluminum 7075-T6 Flanges are high-strength aluminium alloy flanges manufactured using 7075-T6 grade, known for excellent strength, fatigue resistance, and lightweight performance. These flanges are widely used in aerospace, defense, marine, and high-performance industrial applications where durability and weight reduction are critical.
What is ASTM B247 Aluminum 7075-T6 Flange?
When industries need extremely strong yet lightweight flange solutions, ASTM B247 Aluminum 7075-T6 Flanges are one of the best choices available. Made from aerospace-grade aluminium, these flanges offer a unique combination of high mechanical strength, fatigue resistance, and excellent machinability.
We supply and manufacture ASTM B247 Aluminium Alloy 7075 Flanges for clients across India and global markets. Based on real-world industrial applications, these flanges perform exceptionally well in high- stress environments where standard aluminium grades may fail.
If you're searching for a reliable Aluminium 7075 Flanges Supplier India, this page will help you understand everything—from properties to pricing and applications.
What is 7075-T6 Aluminium?
7075-T6 is a high-strength aluminium alloy primarily alloyed with zinc, along with magnesium and copper. It is heat-treated to the T6 condition, which enhances its mechanical strength significantly.
Key Characteristics:- Strength comparable to steel
- Lightweight (almost 1/3rd of steel weight)
- Excellent fatigue resistance
- Good machinability
- Moderate corrosion resistance
Because of these properties, Aluminium 7075 Flanges are widely used in aerospace and defense sectors.
Key Advantages of Aluminium 7075 Flanges
- High Strength-to-Weight Ratio: Perfect for industries where weight reduction matters.
- Excellent Fatigue Resistance: Ideal for dynamic load applications.
- Precision Machinability: Allows tight tolerances and custom designs.
- Heat Treatable: T6 temper significantly improves performance.
- Long Service Life: Reliable under extreme conditions.
Types of ASTM B247 Aluminum 7075-T6 Flanges
We offer a wide range of ASTM B247 Aluminium Alloy 7075 Flanges to meet different piping and engineering requirements:
➤ Slip-On Flanges
Easy to install and cost-effective. Available as UNS A97075 slip on Flanges Supplier.
➤ Socket Weld Flanges
Best for small-diameter high-pressure pipelines. Includes 3.4365 Socket Weld Flanges.
➤ Blind Flanges
Used to seal pipeline ends and for pressure testing.
➤ Companion Flanges
Used in pipe connections. Available as ASTM B247 Aluminum 7075 Companion Flange.
➤ Stub End Flanges
Used with lap joint systems. Includes JIS Aluminum 7075 Stub End Flange.
➤ Series A & B Flanges
Available in Series A & B Aluminium 7075 Flange configurations.
7075-T6 vs 6061 Aluminium Flanges
| Property | 7075-T6 | 6061 |
|---|---|---|
| Strength | Very High | Medium |
| Weight | Light | Light |
| Corrosion Resistance | Moderate | Good |
| Cost | Higher | Lower |
| Applications | Aerospace | General Engineering |
If strength is your priority, ASTM B247 Aluminum 7075-T6 Flanges are the better choice.
ASTM B247 Aluminum 7075-T6 Flanges Specifications
| Parameter | Details |
|---|---|
| Material | Aluminium Alloy 7075 |
| Standard | ASTM B247 / ASME SB247 |
| Grade | 7075-T6 |
| UNS | A97075 |
| DIN | 3.4365 |
| Pressure Class | 150# to 2500# |
| Size Range | ½” to 48” |
| Form | Forged |
Chemical Composition of ASTM B247 Aluminium Alloy 7075
| Element | Percentage (%) |
|---|---|
| Zinc | 5.6 – 6.1 |
| Magnesium | 2.1 – 2.5 |
| Copper | 1.2 – 1.6 |
| Chromium | 0.18 – 0.28 |
| Silicon | ≤ 0.40 |
| Aluminium | Balance |
Mechanical Properties of ASTM B247 Aluminum 7075-T6 Flanges
| Property | Value |
|---|---|
| Tensile Strength | 510 – 570 MPa |
| Yield Strength | ≥ 430 MPa |
| Elongation | 5 – 11% |
| Hardness | ~150 HB |
| Density | 2.81 g/cm³ |
These properties make Aluminum 3.4365 Flanges India ideal for high-performance applications.
Applications of ASTM B247 Aluminum 7075-T6 Flanges
Based on industry experience, these flanges are widely used in:
- Aerospace structures
- Defense and military equipment
- Automotive racing components
- Marine engineering
- Oil & gas pipelines
- Structural engineering
As an Aluminium Alloy 7075 Flanges Stockist in Mumbai, we have supplied these flanges to critical projects where failure is not an option.
Aluminium 7075 Flanges Price in India
The cost of ASTM B247 Aluminum 7075-T6 Flanges depends on size, type, and quantity.
Estimated Price Range:- ₹450 – ₹1200 per piece (small sizes)
- ₹1200 – ₹5000+ (large/custom sizes)
Contact us now for latest price & bulk discounts.
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Quality Assurance & Testing
We follow strict quality control processes:
- Raw material inspection
- Heat treatment (T6 condition)
- Dimensional inspection
- Mechanical testing
- Ultrasonic testing
All ASME SB247 Aluminium Alloy 7075 Flanges are supplied with test certificates.
Why Choose Us as Your Aluminium 7075 Flanges Supplier in India?
- 20+ years of industry experience
- Wide inventory of Aluminium 7075 Flanges
- Competitive pricing
- Fast delivery across India & global market
- Custom sizes available
We are a trusted Aluminium 7075 Flanges Supplier India serving multiple industries.
Frequently Asked Questions
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