Metinox Overseas is a reliable manufacturer and exporter of Stainless Steel 316H Welded Pipes, globally serving industries with superior performance-based piping solutions. We smooth your endeavors by supplying ASTM A312 TP 316H Stainless Steel Pipes with a range categorized as welded, ERW, EFW, and seamless, designed and developed with a focus on demanding standards and requirements under domestic and international settings. Our SS 316H Welded Pipes are designed and supplied with a comprehensive range of dimensions and specifications, designed and developed for critical application purposes such as exposure to extreme conditions and performance. We are also effectively supplying our products with deliveries across the USA, Latin America, Europe, and other international destinations, along with satisfactory performance and prices.
Stainless Steel 316H contains more molybdenum, which reduces resistance to corrosion, especially in the presence of more chlorides besides having a high corrosion resistance, high tensile strength and creep resistance. The SS 316H steel pipes are used in different applications, which include but are not confined to the chemical industry, the heat exchangers of the petrochemical plant, the petroleum industry as needed, the power station industry and other similar industries in which the SS 316H properties may suitably advantage them. Metinox Overseas stainless steel 316H Welded Pipes are highly tested to determine their performance.
Table of Contents
- Specifications of Stainless Steel 316H Welded Pipe
- Chemical Composition of SS 316H Welded Pipes
- SS UNS S31609 Welded Pipes Mechanical Properties
- SS 316H ERW Pipes Equivalent Grades
- Different Types of Stainless Steel 316H Welded Pipes
- Manufacturing Process of Stainless Steel 316H Welded Pipes
- Applications / Industrial Use of SS 316H Welded Pipes
- Advantages of Stainless Steel 316H Welded Pipes
- Frequently Asked Questions (FAQ)
Specifications of Stainless Steel 316H Welded Pipe
| Feature | Details |
| Standard Specifications | ASTM A312 / ASME SA312 |
| Welded Pipes Size | 1/2" NB � 24" NB |
| Outside Diameter (OD) | 6.00 mm OD up to 914.4 mm OD (Sizes up to 24" NB available ex-stock) |
| Thickness Range | 0.3 mm � 50 mm |
| Schedule (SCH) | SCH 5, 10, 40, 80, 80S, 160, XXS, XS |
| Type & Form | Welded; Round, Square, and Rectangular Pipes |
| Length | Single Random, Double Random, and Cut-to-length |
| End Connections | Plain End, Beveled End, Threaded |
| Outside Finish | 2B, No.1, No.4, No.8 Mirror Finish, or as per customer requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| European Standards (EN) | EN 10216-5: 316H / 1.4401 (Pressure purposes) EN 10217-7: 316H / 1.4401 (Pressure purposes) |
Chemical Composition of SS 316H Welded Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.030 max | 16.00 � 18.00 | 2.00 � 3.00 | 10.00 � 14.00 | 68.89 min |
SS UNS S31609 Welded Pipes Mechanical Properties
| Grade | Tensile Strength (min) | Yield Strength (0.2% Offset, min) | Elongation (in 50mm, min) |
| SS 316H | 75,000 psi / 515 MPa | 30,000 psi / 205 MPa | 35% |
SS 316H ERW Pipes Equivalent Grades
| Standard / Grade | UNS Number | Werkstoff Nr. (WNR) | JIS (Japan) |
| SS 316H | S31609 | 1.4401 / 1.4919 | SUS 316H |
Different Types of Stainless Steel 316H Welded Pipes
STAINLESS STEEL 316H WELDED PIPES
SS 316H ERW Welded PIPES
316H STAINLESS STEELSEAMLESS Welded PIPES
316H SS EFW Welded PIPES
Manufacturing Process of Stainless Steel 316H Welded Pipes
Manufacturing of stainless steel 316H Welded Pipes is controlled to achieve good strength, high durability and extreme temperature resistance. The carbon content of 316H is high, such that precise processing is required.
Choosing the Raw Materials: We start with top-grade stainless steel billets or slabs, chosen for tight carbon control to meet ASTM and other international standards.
Smelting and Alloying: The steel has been melted and alloyed in electric arc or induction furnaces. The chromium, nickel, molybdenum, and carbon balance is tuned to achieve the properties characteristic of 316H.
Hot Working and Forming of Pipes: The melted steel is cast and then hot-worked—either by extrusion or piercing—to manufacture seamless pipe, or it is rolled and then welded for the manufacturing of welded pipe.
Heat Treatment: A solution anneal is done to refine the microstructure, enhance the mechanical strength, and improve the resistance to high temperature creep.
Finishing and Quality Assurance: The finished pipes are surface finished and undergo dimension checks, followed by non-destructive testing of hydrostatic, ultrasonic, and radiographic inspections before being shipped out.
Applications / Industrial Use of SS 316H Welded Pipes
These are stainless steel 316H Welded Pipes, which are typical materials mostly used in most of the industries in manufacturing various components and some of the most common industries are as follows.
Power Generation Plants
Applied in boilers, superheaters, and steam pipelines, where high temperatures and stability of the pressure are of great importance.
Refining Units and Petrochemical
Used in process piping systems with hydrocarbons, reaction with high heat, and corrosive media.
Chemical Manufacturing
Applied in the transportation of aggressive chemicals in which there is a need to have thermal stability as well as corrosion resistance.
Heat Processing Equipment/ Furnace
Applied widely in furnaces, heat exchangers, and thermal processing units because of high creep resistance.
Industrial Piping Systems
Applicable to piping with high load in industrial plants that need structural integrity over a long period.
Advantages of Stainless Steel 316H Welded Pipes
This material, SS 316H, has numerous advantages that include high strength and corrosion resistance, though there are other benefits as discussed below.
Higher Carbon Content
Enhances tensile strength and creep strength, particularly in high temperatures.
High Performance at elevated temperatures
Behaves with better mechanical strength than low-carbon grades in prolonged exposure to heat.
Increased Structural Stability
Offers increased resistance to deformation under pressure, hence it is applicable in pressure applications.
Longer Service Life
Increase the service life and make it suitable for high-temperature industrial conditions.
Adherence to High-Temperature Standards
Suitable for the applications regulated by pressure vessel and boiler regulations.
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Frequently Asked Questions (FAQ)
Stainless Steel 316H pipe is a high-carbon austenitic stainless steel pipe designed for high-temperature and high-pressure applications.
The price of SS 316H Welded Pipes varies based on size, schedule, finish, and market rates; it is usually quoted per kg or per meter by suppliers.
SS 316H Welded Pipes commonly follow standards such as ASTM A312, ASTM A213, ASTM A249, and ASME specifications.
SS 316H seamless and welded pipes can be purchased from Metinox Overseas. We are the most trusted supplier of this material and many more.
The stainless steel 316H offers good corrosion resistance similar to 316, but it is especially stronger at high temperatures compared to low-carbon grades like 316L.
Other types of Stainless steel Welded Pipes
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