7150 aluminum alloy

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Product information

Model: 7150
Availability: Customizable 
7150 aluminum alloy is a high-strength heat-treatable alloy with excellent mechanical properties and corrosion resistance, and is widely used in aerospace and other fields.
‌Mechanical Properties‌
The typical mechanical properties of 7150 aluminum alloy under different states are as follows:‌
‌T73510 state‌. Tensile strength: 496 MPa
Yield strength: 434 MPa
Elongation: 12%
Hardness: 135 HB
‌T7451 state‌. Tensile strength: 524 MPa
Yield strength: 469 MPa
Elongation: 11%
Hardness: 135 HB
‌T7651 state‌. Tensile strength: 552 MPa
Yield strength: 490 MPa
Elongation: 11%
Hardness: 135 HB
‌Physical Properties‌
Density: 2.83 g/cm³ (20℃)
Young's modulus: 71 GPa.
Thermal conductivity: Good. 
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Chemical composition
The chemical composition of 7150 aluminum alloy varies depending on the application field and material state, and it is mainly divided into the following two categories:
Aluminum rod/plate type (aviation grade high hardness material)
Base elements
Zinc (Zn): 5.8 - 6.8%
Magnesium (Mg): 2.0 - 2.9%
Copper (Cu): 1.8 - 2.3%
Forming strengthening phase: η (MgZn₂) + S (Al₂CuMg)
Cutting lubrication system
Bismuth (Bi): 0.6 - 1.0%
Tin (Sn): 0.3 - 0.6%
Zinc (Zn): 0.2 - 0.5% (nano eutectic lubrication network)
Microalloying elements
Zirconium (Zr): 0.12 - 0.20% (suppressing grain boundary corrosion)
Wire type (welding purpose)
Main alloy elements
Silicon (Si): 0.12%
Iron (Fe): 0.15%
Copper (Cu): 1.9 - 2.5%
Magnesium (Mg): 2.0 - 2.7%
Zinc (Zn): 5.9 - 6.9%
Elemental trace
Manganese (Mn): 0.10%
Chromium (Cr): 0.04%
Titanium (Ti): 0.06% (fining grains)
Differences explanation: The aluminum rod/plate version optimizes cutting performance through the Bi-Sn-Zn composite lubrication phase, while the wire version focuses on welding process compatibility, such as adding silicon (Si) and titanium (Ti) to improve fluidity and grain refinement. 
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COMPANY PROFILE




Shiyu Metal Material Technology Co., Ltd. is a collection of procurement, processing, agent, sales, logistics, warehousing in one of the enterprises, the company has a large-scale spot supply base in China, with domestic and foreign large steel mills and suppliers to maintain good relations of cooperation, with a full range of multi-channel procurement resources.
Shiyu Metal main products: nickel base alloy, Hastelloy, super austenitic stainless steel, duplex stainless steel, cobalt base alloy, pure nickel, titanium and titanium alloy, heat resistant, corrosion resistant alloy and other kinds of steel, a large number of product categories, can meet the size and thickness customization, prefabrication and other diversified needs.
The company has ISO9001 quality certification, the company's product standards include: the United States (UNS) ASTM /ASME, AMS, German DIN/EN, Japan (SUS) JIS and other standards supply, provide the original material certificate. We can supply according to the standards and technical requirements provided by customers to ensure that the goods and specifications are complete to meet the needs of various merchants. From raw materials to finished products, all go through three quality inspection to ensure the qualified rate of finished products. Shiyu Metal strives for perfection in every detail to ensure that the quality of products in different countries and regions around the world can meet international standards. Shiyu Metal has established a good strategic cooperative relationship with the world famous steel mills such as HAYNES, ATI, SPECIALMETALS, VDM, OUTOKUMPU, Japan Metallurgy, Nippon Steel, and Datong Special Steel.
The products supplied by Shiyu Metal are widely used in nuclear power, petrochemical, mechanical engineering, precision processing, aerospace, electronic instruments, medical equipment, automobile manufacturing, environmental protection, wind power application, seawater desalination, shipbuilding industry, paper making machinery, mining engineering, cement manufacturing, metallurgical manufacturing, corrosion resistant environment field, high temperature environment field, mold field, etc. It is a global high-quality supplier of special steel materials.
Shiyu Metal Material Technology Co., Ltd. is committed to the purchase, agent and sales of special steel, and has a perfect special steel sales management system and product quality supervision system. The company has been adhering to the "integrity, innovation, responsibility, win-win" business philosophy, adhere to the "quality first, customer first" service purpose, to provide customers with quality services and high-quality steel products. Shiyu Metal actively participates in the development of domestic steel industry ecology, and is willing to contribute to the development of national special steel.



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Shiyu Metal maintains good cooperative relations with medium and large steel mills and suppliers at home and abroad, 

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