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All Listings > Commercial Equipment > Boilers > Haynes 556 Alloy 3/4" Pipe Boiler Tubing - Used for Boiler Thermo Welds (300 feet / 589 lbs)

Haynes 556 Alloy 3/4" Pipe Boiler Tubing - Used for Boiler Thermo Welds (300 feet / 589 lbs)

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ID: 182991815
Quantity: 300 Feet
Model: Model

Unused. Seller can load material into the buyer truck. 

# of Bids: 4 PLACE A BID
Product Location: Colorado, United States
End Time: Bid As Soon As Possible
Time Remaining: Bid As Soon As Possible
Trader: Jose Garcia   281-205-0719 /713-229-9000 x119ASK A QUESTION

Seller Description

This Haynes 556 Alloy Pipe is surplus pipe that was used to make thermo welds for a boilder.

  • Diameter: 3/4"
  • Total Length: 300 feet
  • Total Weight: 589 Lbs (0.267 MT)
  • Original Use: Making thermo welds for a boiler

High Strength and Resistance to High-Temperature Corrosion

HAYNES® 556® alloy (UNS R30556) is an iron-nickel-chromium-cobalt alloy that combines effective resistance to sulfidizing, carburizing and chlorine-bearing environments at high temperatures with good oxidation resistance, fabricability, and excellent high-temperature strength. It has also been found to resist corrosion by molten chloride salts and other salts, and is resistant to corrosion from molten zinc.

Ease of Fabrication

HAYNES® 556® alloy has excellent forming and welding characteristics. It may be forged or otherwise hot-worked, providing that it is held at 2150°F (1175°C) for a time sufficient to bring the entire piece to temperature. As a consequence of its good ductility, 556® alloy is also readily formed by cold working. All hot- or cold-worked parts should be annealed and rapidly cooled in order to restore the best balance of properties. The alloy can be welded by a variety of techniques, including gas tungsten arc (GTAW), gas metal arc (GMAW), shielded metal arc (coated electrode), and resistance welding.


HAYNES® 556® alloy is furnished in the solution heat-treated condition, unless otherwise specified. The alloy is normally solution heat-treated at 2150°F (1175°C) and rapidly cooled or water-quenched for optimum properties. Heat treatments at temperatures lower than the solution heat-treating temperature may cause precipitation of secondary phases.


HAYNES® 556® alloy combines properties which make it highly useful for service at elevated-temperature in moderately to severely corrosive environments. Applications can include tubing and structural members in municipal and industrial waste incinerators, rotary calciners and kilns for minerals processing, and non-rotating components in industrial gas turbines burning low-grade fuels. In the chemical process industry, 556® alloy is used for applications in rotary calciners, carbon regenerators, and in processes involving high-sulfur petroleum feedstocks. In the metallurgical process industry, 556® alloy is widely used for hot-dip galvanizing fixtures, spinners and baskets, and for high speed furnace fans. 556® alloy is also employed in air preheaters of diesel engines, the inner covers of coil annealing furnaces, and in various high-temperature applications in the aerospace industry.

Iron: 31 Balance
Nickel: 20
Cobalt: 18
Chromium: 22
Molybdenum: 3
Tungsten: 2.5
Tantalum: 0.6
Nitrogen: 0.2
Silicon: 0.4
Niobium: 0.3 max.
Manganese: 1
Aluminum: 0.2
Carbon: 0.1
Boron: 0.02 max.
Lanthanum: 0.02
Zirconium: 0.02

Seller Terms

  • Salvex and the seller have the right to reject any and all offers.
  • This product is sold AS IS, WHERE IS.
  • Buyer is responsible for all taxes, duties, loading and freight charges.
  • Seller does not offer any warranties or manufacturer warranties.
  • Upon receipt of cleared funds, Seller will provide the Buyer a Release Order for item pick up. Title transfers from Seller to Buyer upon issuance of the Release Order.
  • It is Buyer's responsibility to verify quantities and condition at the time of pick up. Once the product has been removed from Seller's location, there will be no adjustments based on quantity or condition.
  • This items is being sold "as-is, where-is" and with no representations, warranties, nor guarantees of any kind from the Seller nor Salvex Group Inc. The Seller has the right to accept or reject any and all offers. Buyer responsible for any loading and/or handling fees. Buyer must verify quantity & quality at time of, or before loading product.

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