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High Temperature Alloy G/T 15062 GH3030 Nickel Alloy Seamless Pipe/Tube¹

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Product Description This grade HN78T XH78T GH3030 is manufactured with a help of open-type remelt method. This alloy is widely used in industries for manufacturing floating details that are exploited at a temperature range of 1000?1100°C (f. e. in manufacturing of flame tubes, thermocouple cases, combustion chambers etc.) International analogous grades of alloy are marked as 2.4951NiCr20Ti (Germany), GH3030 (PR China). Alloy has main types of mill-products: tube, wire, strip, sheet, rod. Due to high nickel content, it relates to a group of heat-resisting materials. Its main demerit is non-stability to environments that contain sulphur. It causes a brittle behavior. Its oxidation rate is 0,2 mm/h up to a temperature of 1100 °C.The XH78T GH3030 alloy represents a groundbreaking advancement in metallurgy, combining a blend of properties that render it a promising material for various industrial applications. Comprising a fusion of unique elements and innovative manufacturing techniques, XH78T GH3030 is engineered to exhibit superior strength, durability, corrosion resistance, and thermal stability, setting it apart from conventional alloys.1. MaterialSteel GradeGH3030 KhN78T XH78T ЭИ435Production ProcessAvailable in cold rolled and cold drawnStandardGBT-15062 GOST9941ASTM B829 / ASME SB8292. Diameter of Seamless PipeW.T1mm-10mmDiameter20mm thru 630mmLength2m-12m, or customer required3.Heat-treated Condition Solution and Aging, Annealing, Ausaging, Q+T, etc4. ApplicationThe Organic chemical process parts contain chloride, especially in the use of acid chloride catalyst.The digester and bleachers use paper pulp and paper making industry.Absorption tower, re-heater, gas import board, fan, blender, fairwater fin, flue, and so on for use in flue gas desulfurization system.The equipment and parts in the use of acidic gas environments.Acetic acid and anhydride reaction generatorSulfur acid cooling5. Packing*All of our nickel alloy seamless pipes and tubes are packaged according to international standards to prevent any possible damage or loss. By default, we will use thick woven plastic bags to bundle the finished pipes together in batches.For some special pipes and tubes that are vulnerable to dirt, scratches, stress, or rough handling, we will suggest using wooden cases for protection. Please note that wooden cases may incur extra costs not only for the case itself but also for increased freight costs, especially when using air transportation. To enhance customer experience, we also provide dedicated packaging according to your specific requirements."6. Delivery Time1.for ready stock :7 days after receiving the deposit of T/T2.For MTO: 35 days after receiving the deposit of T/T7. Trade TermsEXW,FOB, CFR, CIF etc.8. Payment Terms1.30%T/T in advance, the balance against the B/L copy2.30%T/T in advance, the balance against the L/C at sight9. Loading PortNingbo/Wenzhou/ShanghaiCHEMICAL COMPOSITION FOR GH3030 XH78T SEAMLESS PIPE Alloy Grade CSiMnPSCrNiAlTiFeGH3030XH78TMIN--- -19.0Balance-0.15-MAX0.120.800.700.0300.02022.00.150.351.50PHYSICAL CHARACTERISTICS AT THE TEMPERATURE 100 °C- thermal-expansion coefficient is 12,2 [1/deg]; - module of elasticity is 2,19 MPa;- heat conduction coefficient or heating capacity of alloy is not more than 14,6 V/(m-deg);- alloy density is 8, 4 g/cm3. It can insignificantly change at a temperature rising;- electrical resistivity- 1,1 Ohm-mm2 /m;MECHANICAL PROPERTIES FOR GH3030 XH78T SEAMLESS PIPEAlloy GradeTensile Strengthmin,MPaElongationGH3030 / XH78T78535%MECHANICAL PROPERTIES AT T° OF 20°С- short term limit of lasting-quality is from 590 up to 880 MPa (depending on a type of product). It decreases with a temperature rising;- for permanent deformation a flow limit changes depending on type of millproducts. It does not exceed 300 MPa; A minimal index at a temperature of 800 °C is 98 MPa. When a temperature is closer to 1100 °C, it rises to 105 MPa; - contraction ratio is not more than 50%;- heat treatment performs at a temperature of 980 - 1100 °C. There is recommended a method of thermohardening in air or in water.Corrosion and Wear ResistanceOne of the standout features of the XH78T alloy is its remarkable resistance to corrosion and wear. Its composition, often fortified with elements renowned for their corrosion-resistant properties, enables XH78T to withstand exposure to harsh chemicals, acids, and environmental factors, making it a viable choice for applications in aggressive or corrosive environments.Heat and Thermal StabilityThe XH78T alloy exhibits exceptional thermal stability, retaining its structural integrity and mechanical properties even at elevated temperatures. This attribute makes it ideal for use in environments with extreme heat, such as aerospace components, gas turbines, or industrial machinery subject to high-temperature operations.Alloy XH78T GH3030 is used in manufacturing a bar section and detail forging.They work at a temperature that does not exceed 1100 °C. Alloy is widely used in aircraft mechanical engineering, manufacture of engines. Wire of this alloy is in muchrequest when welding nickel alloys in energetic mechanical engineering or when welding metallic constructions made of carbon and stainless steel. While doing this, there must be used electrodes and all-rolled wheels. Welding is performed with a previous heating up to a temperature of 200?300°С and further annealing of seams. Positive Material Identification (PMI)Guohao Steel can perform PMI testing in house for most stainless steel grades, or we can work with independent labs to complete PMI in order to meet customer specifications.TestingIn some cases, HT/ET/UT testing of the stainless steel pipes may be required. We can assist you with this requirement. Q1:How many countries you already exported ?A1:Exported to more than 30 countries mainly from America, Russia, Ukraine, Vietnam, Egypt, Iran, Turkey, Mexico etc.Q2:How can I get some samples?A2:Small samples in store and can provide the samples for free. Catalogue is available, most patterns we have ready samples in stock. Customized samples will take about 5-7days.Q3:Do you have any MOQ limit for stainless steel products order? A3: MOQ, 1pc for ready stock of stainless steel seamless pipe. MOQ :1 tons for MTO.Q4. How do you ship the goods and how long does it take to arrive?A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional. For mass products, ship freight is preferred.Q5:How does your company do regarding quality control?A5:Mill Test Certificate is supplied with shipment. If needed, a Third Party Inspection is acceptable or SGS.Q6: Is it OK to print my logo on products??A7: Yes. OEM and ODM are available for us.

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