Nestled in the heart of Kinshasa, Sadiki Metals stands as a trusted partner for industry, bringing global material standards to the local landscape. We take pride in manufacturing and supplying high-performance materials like Stainless Steel 347H Tubing, engineered to meet the rigorous demands of modern applications. Our commitment is to provide Congolese businesses with reliable, durable solutions that empower growth and ensure project longevity, backed by our deep understanding of both the material science and the specific needs of the regional market.
The strength of Stainless Steel 347H lies in its specialized composition, which includes a careful addition of niobium. This element acts as a stabilizer, making the tubing exceptionally resistant to a damaging phenomenon called sensitization, which can occur during welding or high-temperature service. This results in a material that maintains excellent corrosion resistance and impressive mechanical properties, including high tensile strength and good creep resistance, even when subjected to intense heat and stress over long periods.
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 |
| Dimensions | ASTM, ASME, and API |
| Size | 1/8″NB TO 30″NB IN |
| 304 Pipes & Tubes Size | 1/2″ NB – 16″ NB |
| ERW 304 Pipes & Tubes | 1/2″ NB – 24″ NB |
| EFW 304 Pipes & Tubes | 6″ NB – 100″ NB |
| Thickness | 0.3mm – 50 mm |
| Specialized in | Large Diameter Size |
| Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic, Oval, U Shape, Pan Cake Coils, Coiled Etc |
| Length | Single Random, Double Random & Required Length. |
| End | Plain End, Beveled End, Treaded |
| Stainless Steel | Nickel | Magnesium | Silicon | sulfur | Carbon | Chromium | Phosphorus | Molybdenum | Nitrogen | |
| 347H | Minimum | 9 | 00.04 | 17 | 3 | |||||
| Maximum | 13 | 2 | 1 | 00.030 | 00.10 | 19 | 00.045 | 4 | ||
| SS Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| Rockwell B | Brinell | ||||
| SS 347H | 515 | 205 | 40 | 92 | 201 |
Contact us to get a quick quote for your requirement.
We offers highest quality in its Stainless Steel 347H Tubing with severe testing and certification. Each product is thoroughly checked for dimensional measurements, mechanical tests, and corrosion resistance. Full certification including MTCs will be provided by us for your assurance that all the international standards and requirements are met.
This tubing comes in various sizes, typically ranging from 1/8″ to 12″ in diameter. It offers high resistance to oxidation and corrosion, particularly in high-temperature environments. Ideal for applications requiring robust strength and durability.
Available in diameters from 1/2″ to 12″, this tubing is welded and offers similar high-temperature strength as seamless options. It is highly resistant to intergranular corrosion and is used in environments exposed to sulfuric and nitric acids.
These tubes are generally available in sizes from 1/4″ to 2″ OD. They are specifically designed for high-efficiency heat transfer and offer excellent resistance to oxidation and sulfidation. Suitable for use in high-temperature heat exchangers.
Instrumentation tubing sizes typically range from 1/16″ to 1″. It is designed for precise and reliable measurements in harsh environments, providing excellent resistance to corrosion and high temperatures.
Available in diameters from 1/2″ to 5″, these tubes are designed to withstand high pressures and temperatures in boilers. They offer strong resistance to oxidation and carburization, making them ideal for high-temperature steam applications.
These tubes are usually sized from 1/2″ to 3″ in diameter and are formed into a U-shape for use in heat exchangers and other applications. They provide high resistance to corrosion and high-temperature deformation.
Condenser tubes come in sizes from 1/2″ to 3″ OD. They are designed for efficient heat transfer and resist corrosion from various coolants and environmental conditions, ensuring longevity in condenser systems.
This unique combination of properties makes 347H tubing an indispensable component in several demanding sectors. It is frequently specified for high-temperature heat exchangers, furnace parts, and aircraft exhaust systems where thermal stability is non-negotiable. Within the petrochemical and refining industries, it’s the material of choice for piping and components that must withstand corrosive environments and elevated temperatures, ensuring both safety and operational efficiency. Essentially, wherever extreme conditions are the norm, this tubing delivers unwavering performance.
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