
Gr7 Titanium Flange
Product name: Gr7 titanium flange
Classification: according to structure type, there are integral titanium flanges, butt welded titanium flanges, loose titanium flanges and threaded titanium flanges
State: Annealed state (M) hot working state (R) cold working state (Y)
Surface: Forging, polishing, rolling surface, and water ground surface.
Specific Standard:ASTM B363, B381, ASTM B16.5, B16.47 ASTM B363、B381、ASTM B16.5、B16.47
Application:Industrial, Medical
Technique:Forged
Shape:Round
Transport Package:Plywood Box/Wooden Pallet
Product Introduction
What's titanium Gr7 titanium alloy
Below are our products and inventory




Gr7 titanium flange is a high strength, corrosion resistant flange connection made of Grade 7 titanium alloy (titanium palladium alloy). Gr7 titanium flange has the characteristics of excellent corrosion resistance, good high temperature performance and lightweight, so it is widely used in many fields.
We stock a wide variety of Grade 7 titanium flanges (DIN 3.7235 flanges), including titanium blind flanges, sliding flanges, weld neck flanges, sleeve flanges, lap flanges, indicator blind flanges, and more – a comprehensive selection. Grade 7 titanium alloys offer unparalleled superior quality, used to achieve the best and most robust connection between two pipes. It is this high-quality flange that effectively prevents gaps between the two pipes; these Grade 7 flanges provide a secure connection, virtually eliminating any possibility of leakage.
Chemical compositions of gr7 titanium flange
| Fe 0.3% | O 0.25% | Pd 0.12 – 0.25% | C 0.08% |
| H 0.015% | Other, total 0.4% | Ti Remainder | N 0.03% |
pysical properties of Gr7 titanium Flange
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat (BTU/lb-°F) | Thermal expansion (1/°F) | Melting Point (°F) |
| 0.162 | - | 12.6 | - | - |
Mechanical properties of Gr7 titanium flange
|
Property |
Minimum |
Maximum |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Yield Strength Range (Rp0.2 Offset) (ksi) | – | 50.763 | |||||||
| Tensile Strength Range (Rm) (ksi) | – | 70.343 | |||||||
| Elongation (AL=5 x Ø) | – | 28.0% | |||||||
| Hardness (HV) | – | 150 | |||||||
| Modulus of Elasticity (ksi) (E): 14938 | |||||||||
| Machineability General Index: – | |||||||||
Titanium flange specifications:
Welded flange
sizes range from DN15 to DN4000.
Threaded flanges
Sizes range from DN15 to DN300.
Slip-on flanges
Sizes range from DN50 to DN4000.
The blind flange
sizes range fromDN15 to DN1500
The main features of Gr7 titanium
excellent corrosion resistance
the Gr7 titanium alloy performs well in oxidizing and reducing media, especially suitable for using in high chloride ion concentration media, and can effectively resist crevices corrosion.
good high temperature performance
the Gr7 titanium alloy can maintain stable performance in high temperature environment, with high strength and heat resistance.
high strength and lightweight
the Gr7 titanium alloy has high specific strength and excellent toughness, and is lighter than other metals.
good weldability
the Gr7 titanium alloy is easy to process, shape and weld, suitable for a variety of complex structures.
applications of Gr7 titanium flange

aerospace
The Gr7 titanium flange is used to manufacture high-strength and lightweight parts to improve the operation efficiency of aircraft.

chemical industry
The Gr7 titanium flange is used to manufacture corrosion-resistant equipment parts, resistant to acid, alkali, salt water and other harsh environment.

medical field
The Gr7 titanium flange is used in the manufacture of artificial joints, dental implants and other medical devices, with good biocompatibility

mechanical equipment and electroplating equipment
The Gr7 titanium flange is used for the manufacture of various connectors and structural parts to meet the requirements of high strength and corrosion resistance
Based on the main product of Baoji Mingjie Titanium Materials Technology Co., Ltd. The titanium plates are our main product, we have over ten years in the titanium processing and operation experience, we also have professional production and sales team, advanced production equipment, a strict quality control system, and a competitive price advantage. If you have any needs for titanium products, please feel free to visit and place an order anytime. We are always ready to provide you with the best service!

01
High Quality
We have our own professional quality control and monitoring system, including incoming material inspection, in-process inspection, finished product inspection, and pre-shipment inspection, to ensure that high-quality products reach our customers.
02
Advanced Equipment
We are a source manufacturer with advanced production equipment, including smelting furnaces, rolling mills, water sanders, cutting machines, etc., enabling us to produce efficiently and ship promptly.
03
Professional Team
We have a professional production team, including experienced production engineers, skilled production workers, a quality control team, and a packaging team. We can provide one-stop production services.
04
competitive price
Because we are the source manufacturer, there is no middleman price difference in the middle, so we can provide the most competitive price to meet the various price needs of customers
FAQ
Q: What is grade 7 titanium used for?
A: Grade 7 titanium alloys possess excellent weldability and machinability, and are the most corrosion-resistant of all titanium alloys. Due to these properties, this material is commonly used in chemical production processes and equipment.
Q: What is GR 7 material?
A: ASTM A194 Gr 7 heavy-duty hexagonal nuts are manufactured from heat-treated bar stock using hot forging, cold forging, and machining processes. The material composition includes carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum.
Q: What is the difference between Grade 2 and Grade 7 titanium?
A: Grade 7 steel has mechanical properties comparable to Grade 2 steel, but due to the addition of up to 0.25% palladium, it has better corrosion resistance and is extremely resistant to reducing acids.
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