NXF UNS N10276 2.4819/NiMo16Cr15W/C276 Nickel Alloy ASME B16.9 Butt Welding Return Bend&Elbow

C276 Introduction

Super alloys or high performance alloys are available in a variety of shapes and contain elements in different combinations to obtain a specific result. These alloys are of three types that include iron-based, cobalt-based and

nickel-based alloys. The nickel-based and cobalt-based super alloys are available as cast or wrought based alloys according to composition and application.

Super alloys have good oxidation and creep resistance and can be strengthened by precipitation hardening, solid-solution hardening and work hardening methods. They can also function under high mechanical stress and high temperatures and also in places that require high surface stability.

HASTELLOY(r) C276 is a wrought corrosion-resistant alloy that resists the development of grain boundary precipitates that degrade corrosion resistance.

The following datasheet provides an overview of HASTELLOY(r) C276.

Butt Welding Return Bend&Elbow Introduction

Butt-weld elbows are steel pipe fittings manufactured through hot-pressing or forging processes, designed to establish a connection by being directly welded to steel pipes. Their manufacture adheres to numerous domestic and international standards—such as GB/T12459 and ASME B16.9—and encompasses various materials, including carbon steel, alloy steel, and stainless steel. These elbows are categorized into two types based on their curvature radius: long radius (R=1.5D) and short radius (R=1D), with the long-radius type being the most commonly used specification. Based on pressure rating, this category of elbows is classified into 17 distinct grades, with the STD and XS grades being the most frequently utilized. By angle, they are categorized into types such as 45°, 90°, and 180°. Material specifications comply with the ASTM/ASME series of standards—for instance, carbon steel corresponds to A234 WPB, while stainless steel corresponds to A403 304/316. Their application standards span multiple sectors—including petrochemicals (SH3408), electric power (DL/T515), and shipbuilding (GB/T10752)—and they simultaneously meet specifications such as Japan's JIS, the USA's MSS, and the chemical industry's HGJ standards, making them suitable for fulfilling the directional connection requirements of a wide range of industrial piping systems.

C276 Butt Welding Return Bend&Elbow DRAWING

C276 Chemical composition and mechanical properties

Butt Welding Return Bend&Elbow Factory and Product Picture

C276 PMI spectral testing proves

Our Factory

Butt Welding Return Bend&Elbow Processing

The manufacturing process for butt-weld elbows typically involves steps such as material selection, cutting, forming, heat treatment, welding, grinding, and inspection. A stainless steel butt-weld elbow is a type of pipe elbow manufactured from stainless steel raw materials through either hot-pressing or forging processes. Its connection method involves directly welding the elbow to a steel pipe, thereby facilitating the connection and directional change of the pipeline. The procedural steps for manufacturing butt-weld elbows using stainless steel clad plates are as follows: Blanking—selecting the appropriate stainless steel clad plate based on the required elbow dimensions and cutting it to produce the elbow blank. Pressing—subjecting the elbow blank to multiple pressing cycles using a forming die—either at room temperature or under heated conditions—until the desired shape and dimensions of the elbow are achieved; the conditions for heated pressing involve placing the blank in a heating furnace and raising its temperature to within the range of 930 ± 20°C prior to pressing. Welding—selecting and applying specific welding processes tailored to the different materials involved; for butt-welding, a three-layer weld structure is employed—specifically, a transition layer is inserted between the base layer and the cladding layer—meaning that the welding of the stainless steel clad material is executed in three distinct stages: welding the base layer, welding the cladding layer, and welding the transition layer. Heat Treatment—subjecting hot-pressed elbows to a normalizing heat treatment at 910 ± 10°C, or subjecting cold-pressed elbows to an annealing heat treatment at 610 ± 10°C.

Our NXF GROUP advantage as follow

1.Our NXF GROUP have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price based on best quality.

2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.

3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.

4.Our NXF GROUP have excellent quality certificate system and trademark certificate

5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by Alibaba International Station, as well as remote technical guidance and services.

6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.

Trade Show Participation

Packing & Delivery

FAQ

1. who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(5.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment;

3.what can you buy from us? Pipe,Flange,Steel plate,Pipe fittings,Alloy products

4. why should you buy from us not from other suppliers? Our advantage:3S Service (Small Quantity/Short Time/Special Material) We have our own factories, quality can be controlled seriously. We Specialize in manufacturing about 21 years. We have professional testing department and testing equipment.

5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA； Accepted Payment Currency:USD,EUR,CAD,HKD,CNY; Accepted Payment Type: T/T,L/C,D/P D/A; Language Spoken:English,Chinese

6. Are you trading company or manufacturer ? We are manufacturer.

7. How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

8. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.

9. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.