Product Introduction

Ti6242 titanium alloy, corresponding to the domestic grade TA19, is a near-α titanium alloy, its nominal composition is Ti-6Al-2Sn-4Zr-2Mo, containing α stable elements Al, neutral elements Sn and Zr, isocrystalline β stable element Mo, and eutectic β stable element Si. Mo can improve the tensile strength at room temperature and high temperature, and enhance stability; The combined effect of Al, Sn and Zr can maintain long-lasting and creeping high temperature strength. The addition of Si will cause the precipitation of a certain silicide diffuse phase, which is conducive to improving the creep strength at high temperatures. At present, Ti6242 titanium alloy plate is not used much in the domestic market, but its application in foreign aviation has been very mature.

Product Specifications

Chemical properties
Ti6242 titanium alloy has good corrosion resistance. However, there is also a certain susceptibility to thermal salt stress corrosion, and there is a delay in cracking the specimen in a room temperature brine solution.

Mechanical properties
The mechanical properties of Ti6242 titanium alloy plate at room temperature and high temperature at 482°C are shown in Table 1 and Table 2.

Table 1

Technical Standards	Product type	Product specifications, mm	Status	Sampling direction	Room temperature tensile properties
Technical Standards	Product type	Product specifications, mm	Status	Sampling direction	σ_b/MPa	σ_p0.2/ MPa	δ₅/%
AMS 4919	Sheet material	0.64~1.57	Double annealing	L/T	≥931	≥862	≥8
		＞1.57~25.4	Double annealing	L/T	≥931	≥862	≥10
		＞25.4~76.2	Double annealing	L/T	≥896	≥827	≥10

Table 2

Technical Standards	Product type	Product specifications, mm	Status	Sampling direction	High temperature stretching performance at 482°C
Technical Standards	Product type	Product specifications, mm	Status	Sampling direction	σ_b/MPa	σ_p0.2/ MPa	δ₅/%
AMS4919	板材	0.64~1.57	Double annealing	L/T	≥655	≥517	≥7
		＞1.57~25.4	Double annealing	L/T	≥655	≥517	≥10
		＞25.4~76.2	Double annealing	L/T	≥621	≥483	≥10

The bearing performance of Ti6242 plate is shown in Table 3.

Table 3

Variety	Thickness, mm	Status	θ/℃	e/D	σ_bru/MPa		σ_bry/MPa
					A	B	A	B
Sheet material	1.2～2.3	Double Annealing	20	1.5	1413	1496	1179	1262
				2.0	1675	1779	1393	1496
	2.4～3.6	Double Annealing	20	1.5	1475	1565	1179	1262
				2.0	1834	1944	1393	1496

Product Features and Applications

Ti6242 titanium alloy is mainly used in the characteristics of high temperature mechanical properties, processability and welding performance. It is mainly used to manufacture compressor receivers and aircraft skins of aero engines, with a maximum long-term operating temperature of 500°C. Our company has many years of research experience in Ti6242 titanium alloy plate, and has the ability to produce 0.64~76.2×1000×2000mm specification plates in batches.

Product details introduction

The surface of Ti6242 titanium alloy plate is delivered with alkaline pickling or sanding surface, the color is uniform and consistent, the surface is free of cracks, pits, folds and scratches and other defects, and the dimensional tolerance meets the standard requirements.

After-sales service

Our company always takes "quality is the life of the enterprise" as the purpose, enhances customer satisfaction as the goal, all employees faithfully perform quality responsibilities, and implement effective quality control and continuous improvement in the whole process. The company provides after-sales service through annual planned customer visits, irregular visits, product quality problem consultation, on-site service and other forms. The company has a dedicated after-sales service team to quickly and effectively handle customer opinions. Promise to propose solutions and disposal of quality information within 48 hours. If necessary, you can go to the site to negotiate and solve the problem, all with the purpose of customer satisfaction.

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