1. What are aluminum alloy ring forgings 7075 (UNS A97075)
Among the seven series of aluminum alloys, 7075 aluminum alloy is a popular alloy. Low carbon steel cannot compare to the high strength, cold-processed, forged 7075 aluminum alloy. It is the most prevalent form of aircraft super duralumin, or aviation aluminum. 7075 aluminum alloy is one of the strongest alloys commercially available.
Production process of aluminum alloy forgings ring
Forgings made of aluminum alloy 7075 have many uses. Manufacturers of aluminum alloy forgings each have unique forging procedures and forging properties. Pier thickening, drawing, punching, hole enlargement, and other procedures are some of the main forging processes. Manufacturers of aluminum alloy forging frequently shape the metal directly during the forging process.
Aluminum alloy forging manufacturers process large aluminum alloy forgings by not only altering the shape of the metal but also casting the metal block into a ring shape, which improves the metal's quality, increases its hardness, and lengthens its useful life. The forgings made of forged aluminum alloy won't fracture when used. The stress on each surface of the forged aluminum alloy forging is consistent during forging since there is no metal-to-metal interaction and the forging has an overall shape.
It is common to employ large ring forgings for both primary processing into parts and secondary processing into metal blanks. Instead of forming the bar metal into rings later, the ring shape is generated during processing, considerably reducing the risk of metal breakage and damage. Manufacturers of aluminum alloy forgings also have their own objectives.
2. Chemical composition of aluminum alloy ring 7075 (UNS A97075)
| Element | Fe | Si | Mn | Cr | Cu | Ti | Zn | Mg | Other single | Total other |
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum value | - | - | - | 0.18 | 1.2 | - | 5.1 | 2.1 | - | - |
| Maximum value | 0.5 | 0.4 | 0.3 | 0.28 | 2 | 0.2 | 6.1 | 2.9 | 0.05 | 0.15 |
3. Mechanical properties of aluminum alloy ring 7075 (UNS A97075)
Aluminum alloy 7075 can have very high strength qualities after heat treatment. The 7075 material is typically mixed with trace amounts of copper, chromium, and other alloys.
The best and most expensive aluminum alloy is 7075-T651, which is one of them. It is stronger than any low-carbon steel and has a high strength. This alloy reacts favorably and has good mechanical qualities.
The fabrication of aircraft structures and other high-stress structures that demand high strength and great corrosion resistance are representative uses, as are those in aerospace, mold processing, mechanical equipment, and fittings.
| Mechanical Properties | |||
| Hardness, Brinell | 150 | 150 | AA; Typical; 500 g load; 10 mm ball |
| Hardness, Knoop | 191 | 191 | Converted from Brinell Hardness Value |
| Hardness, Rockwell A | 53.5 | 53.5 | Converted from Brinell Hardness Value |
| Hardness, Rockwell B | 87 | 87 | Converted from Brinell Hardness Value |
| Hardness, Vickers | 175 | 175 | Converted from Brinell Hardness Value |
| Ultimate Tensile Strength | 572 MPa | 83000 psi | AA; Typical |
| Tensile Yield Strength | 503 MPa | 73000 psi | AA; Typical |
| Elongation at Break | 11 % | 11 % | AA; Typical; 1/16 in. (1.6 mm) Thickness |
| Elongation at Break | 11 % | 11 % | AA; Typical; 1/2 in. (12.7 mm) Diameter |
| Modulus of Elasticity | 71.7 GPa | 10400 ksi | AA; Typical; Average of tension and compression. The compression modulus is about 2% greater than the tensile modulus. |
| Poisson's Ratio | 0.33 | 0.33 | |
| Fatigue Strength | 159 MPa | 23000 psi | AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen |
| Fracture Toughness | 20 MPa-m½ | 18.2 ksi-in½ | K(IC) in S-L Direction |
| Fracture Toughness | 25 MPa-m½ | 22.8 ksi-in½ | K(IC) in T-L Direction |
| Fracture Toughness | 29 MPa-m½ | 26.4 ksi-in½ | K(IC) in L-T Direction |
| Machinability | 70 % | 70 % | 0-100 Scale of Aluminum Alloys |
| Shear Modulus | 26.9 GPa | 3900 ksi | |
| Shear Strength | 331 MPa | 48000 psi | AA; Typical |
| Electrical Properties | |||
| Electrical Resistivity | 5.15e-006 ohm-cm | 5.15e-006 ohm-cm | AA; Typical at 68°F |
| Thermal Properties | |||
| CTE, linear 68°F | 23.6 µm/m-°C | 13.1 µin/in-°F | AA; Typical; Average over 68-212°F range. |
| CTE, linear 250°C | 25.2 µm/m-°C | 14 µin/in-°F | Average over the range 20-300ºC |
| Specific Heat Capacity | 0.96 J/g-°C | 0.229 BTU/lb-°F | |
| Thermal Conductivity | 130 W/m-K | 900 BTU-in/hr-ft²-°F | AA; Typical at 77°F |
| Melting Point | 477 - 635 °C | 890 - 1175 °F | AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater. Homogenization may raise eutectic melting temperature 20-40°F but usually does not eliminate eutectic melting. |
| Solidus | 477 °C | 890 °F | AA; Typical |
| Liquidus | 635 °C | 1175 °F | AA; Typical |
| Processing Properties | |||
| Annealing Temperature | 413 °C | 775 °F | |
| Solution Temperature | 466 - 482 °C | 870 - 900 °F | |
| Aging Temperature | 121 °C | 250 °F | |
4. Physical properties of aluminum alloy ring 7075 (UNS A97075)
Tensile strength: 524 MPa
0.2% yield strength: 455 MPa
Elastic modulus E: 71GPa
Hardness: 150HB
Density:2.81g/cm3
Poisson's ratio: 0.33
| Physical Properties | Metric | English | Comments |
| Density | 2.81 g/cc | 0.102 lb/in³ | AA; Typical |
5. Specifications of aluminum alloy ring 7075 (UNS A97075)
7075 aluminum ring supplier in China
Being a trustworthy 7075 aluminum alloy ring manufacturer and supplier, Shanghai Yinggui Metal Products Company aims to make manufacturing easier for our business partners. Shanghai Yinggui Metal offers 7000 Series sales that can be used for aircraft aluminum, industry molding, automatic mechanic components, and die.
| Product Name | Aluminum Alloy Rolling Rolled Ring Forging |
| Material | Aluminium |
| Grade | 1000 series: 1050,1060,1070,1080,1100,1435, etc 2000 series: 2011,2014,2017,2024, etc 3000 series: 3002,3003,3104,3204,3030, etc 5000 series: 5005,5025,5040,5056,5083, etc 6000 series: 6101,6003,6061,6063,6020,6201,6262,6082, etc 7000 series: 7003,7005,7050,7075, etc |
| standards | ASTM, ASME,EN, JIS, DIN,GB/T etc |
| Size | Outer Diameter:6-900mm |
| Wall Thickness: 0.5-100mm | |
| Length: 10mm -6000mm | |
| Surface treatment | Mill finish Anodized Electrophoresis Powder coating Wooden grain Sandblast |
| Surface colors | Nature, silver, bronze, champagne, black, golden, etc As customized |
| Temper | T3-T8 |
| Molding/Pattern | 1) Using our molds, no fee 2)Using customer drawing, and opening mold, usually about 5 tons the molding fee is free. 3)Can be discussed. |
| Application | 1. Lighting, solar reflector plate. 2. architectural appearance, interior decoration: ceiling, metope, furniture, cabinets, and so on. 3. elevator, nameplate, bags. 4. automotive interior and exterior decoration. 5. Interior decoration: such as photo frame. 6. household appliances, refrigerator, microwave oven, audio equipment. 7. Aerospace and military aspects. 8, machinery parts processing, mold manufacturing. 9. chemical/insulation pipeline coating. |
| FORGING | TYPE | MAX. WEIGHT | MAX. DIMENSION | ALLOY | STANDARD |
| Open die forging | Cube | ≤ 9t | Length ≤ 7000mm , Width ≤ 2000mm , Height ≤ 500mm | 2219、2618、2B50、2A50、2A70、2A80. 2D70、2A14、2014、2A11、2A12、2024、5A90、3A21、4032、5210、5A02、5A03、5083、5A05、5A06、6A02、6061、7A04、7B04、7A09、7075、7050、7A19、7A10 | GBn 223, YS/T 479, ASTM B247, AMS Standards |
| Disk | ≤ 5t | Diameter ≤ 2500mm | |||
| Ring/circle | ≤ 5t | Outer diameter of quenching parts ≤ 2500mm, Outer Diameter of non-quenching parts ≤ 4000mm, Height ≤ 500mm | |||
| Cylinder | ≤ 5t | Outer diameter 200-800mm, Length ≤ 2000mm , Diameter 801-2000mm, Length ≤ 1500mm | |||
| Axle | ≤ 8t | Length ≤ 7000mm , Diameter ≤ 800mm | |||
| Backward Extrusion | Forged Pipe | Outer Diameter ≤ 830mm, Inner Diameter ≤ 650mm, Length ≤ 1800mm | |||
| Available Temper: 0、F、H112、T3、T4、T5、T6、T62、T652、T73、T74、T7452、T852 etc. | |||||
6. Applications and characteristics of aluminum alloy ring 7075 (UNS A97075)
7075 materials usually add some copper, chromium, and other alloys. A7075 aluminum alloy is the best in this series and is regarded as the best product among aluminum alloys. It has high strength and far exceeds any mild steel. This alloy also has excellent mechanical and anodic reactions.
Zinc is the main alloy element of 7075. Adding magnesium to an alloy containing 3%-7.5% zinc can form MgZn2 with a significant strengthening effect, making the heat treatment effect of this alloy far better than that of an aluminum-zinc binary alloy. Increasing the zinc and magnesium content of the alloy will further increase the tensile strength, but its resistance to stress corrosion and spalling corrosion will decrease.
Very high strength qualities can be attained after heat treatment. The 7075 material is typically mixed with trace amounts of copper, chromium, and other alloys. The best and most expensive aluminum alloy is 7075-T651, which is one of them. It is stronger than any low-carbon steel and has high strength.
This alloy reacts favorably and has good mechanical qualities. The fabrication of aircraft structures and other high-stress structures that demand high strength and great corrosion resistance are representative uses, as are those in aerospace, mold processing, mechanical equipment, and fittings.
7. Main aluminum alloy product brand list
| China | ISO（EU） | Japan | India | Russia | EN（Europe） | Germany | France | U.K. | USA |
| 2A11(LY11) | Al Cu4MgSi | A2017 | 24534 | д1/1110 | 2017/A92017 | ||||
| 2B11(LY8) | AlCu5MgSi(A) | A2017A | д1п/1111 | AlCuMg1/3.1325 | 2017A(A-U4G) | 2017A | |||
| 2A12(LY12) | AlCu4MgSi1 | A2024 | 24530 | д16/1160 | EN AW-2024/AlCu4Mg1 | AlCuMg2/3.1355 | 2024(A-U4G1) | 2024 | |
| 2B12(LY9) | A2024 | д16/1160 | 2024/A92024 | ||||||
| 2A14(LD10) | AlCu4MgSi | A2014 | 24345 | AK8/1380 | EN AW-2014/AlCu4Mg | AlCuSiMn/3.1255 | 2014(A-U4SG) | 2014(H15) | 2014/A92014 |
| 2A70(LD7) | A2618 | AK4-1/1141 | 2618/A92618 | ||||||
| 2014 | AlCu4SiMg | A2014 | 24345 | AK8/1380 | EN AW-2014/AlCu4SiMg | AlCuSiMn/3.1255 | 2014(A-U4SG) | 2014(H15) | 2014/A92014 |
| 2014A | AlCu4SiMg(A) | A2014A | EN AW-2014/AlCu4SiMg(A) | 2014A | |||||
| 2017 | AlCu4MgSi | A2017 | д1/1110 | 2017/A92017 | |||||
| 2017A | AlCu4MgSi(A) | A2017A | 24534 | AK21/1120 | EN AW-2017A/AlCu4MgSi(A) | AlCuMg1/3.1325 | 2017A(A-U4G) | 2017A/A92017 | |
| 2024 | AlCu4Mg1 | A2024 | 24530 | д16/1160 | EN AW-2024/AlCu4Mg1 | AlCuMg2/3.1355 | 2024(A-U4G1) | 2024/A92024 | |
| A2618 | EN AW-2618/AlCu2Mg1.5Ni | 2618A(A-U2GN) | 2618A | ||||||
| 5A02(LF2) | AlMg2.5 | A5052 | AMr2/1520 | EN AW-5052/AlMn2.5 | AlMg2.5/3.3523 | 5052(A-G2.5C) | 5052(NS4) | 5052/A95052 | |
| 5A05(LF5) | AlMg5Mn1 | A5056 | AMг5/1550 | EN AW-5019/AlMg5 | AlMg5/3.3555 | 5456(A56S) | 5456/A95456 | ||
| 5B05(LF10) | AlMg5Cr | A5056 | 55000 | AMr5п/1551 | 5056/A95056 | ||||
| 5005 | AlMg1(B) | A5005 | 51000-A | AMr1/1510 | EN AW-5005/AlMg1(B) | 5005(A-G0.6) | 5005(N41) | 5005/A95005 | |
| 5052 | AlMg2.5 | A5052 | AMr2/1520 | EN AW-5052/AlMg2.5 | AlMg2.5/3.3523 | 5052(A-G2.5C) | 5052(2L55) | 5052/A95052 | |
| 5083(LF4) | AlMg4.5Mn0.7 | A5083 | 54300 | EN AW-5083/AlMg4.5Mn0.7 | 5083(A-G4.5MC) | 5083(NT8) | 5083/A95083 | ||
| 5086 | AlMg4 | A5086 | AMr4/1540 | EN AW-5086/AlMg4 | AlMg4Mn/3.3545 | 5086(A-G4MC) | 5086/A95086 | ||
| 6061(LD30) | AlSi1MgCu | A6061 | 65032 | Aд33/1330 | EN AW-6061/AlMg1SiCu | AlMgSi1Cu/3.2311 | 6061(A-GSUC) | 6061(N20/H20) | 6061/A96061 |
| 6101 | E-AlMgSi | A6101 | EN AW-6101A/E-AlMgSi | E-AlMgSi0.5/3.2207 | 6101/A96101 | ||||
| 7A09(LC9) | AlZn5.5MgCu | A7075 | 76528 | B95/1950 | EN AW-7075/AlZn5.5MgCu | AlZnMgCu1.5/3.4365 | 7075(A-Z5GU) | 7075(C77S) | 7075/A97075 |
| 7075 | AlZn5.5MgCu | A7075 | 76528 | B95/1950 | EN AW-7075/AlZn5.5MgCu | AlZnMgCu1.5/3.4365 | 7075(A-Z5GU) | 7075(C77S) | 7075/A97075 |
