Malleable Iron Black Fittings

YINUO Malleable Iron Black Fittings Features

  • Black malleable iron pipe fittings are cast iron that has been heat treated to increase ductility and toughness.
  • Provides good machinability, strength and corrosion resistance.
  • Rated for medium pressure applications like steam, compressed air, water.
  • Black malleable iron insulated union Commonly used up to 150 psi and 350°F temperatures.
  • Black malleable iron plug are weaker than steel but lower cost.

As reputed China malleable iron black fittings factory, YINUO always provides quality fittings products, at the same time, our price is much more competitive during this market. Our main products list including:

Showing all 8 results

Malleable Iron Black Fittings With Wide Range Of Sizes

Imperial Sizes –  Standard NPT threaded fittings are offered in dimensions ranging:

  • 1/8″ to 6″ for threaded fittings
  • 1/4″ to 4″ for socket weld fittings
  • 1/2″ to 4″ for butt weld fittings

Common sizes like 1/2″, 3/4″, 1″, 1-1/2″, 2″

Metric Sizes – metric threaded fittings conforming to BSPT standards are provided:

  • DN6 to DN150 for threaded fittings
  • DN10 to DN100 for socket weld fittings
  • DN15 to DN100 for butt weld fittings

Common sizes like DN15, DN20, DN25, DN32, DN40

Widely Applications Of Malleable Black Iron Fittings

  • Low pressure steam systems
  • Drainage and vent piping
  • Water supply networks
  • Natural gas and fuel gases
  • Radiator heating systems
  • Hydronic heating systems
  • Commercial HVAC systems

Benefits Of Malleable Iron Black Fittings By YINUO

  • Firstly, passed UL, FM, CE, BSI, ISO and related other certifications.
  • Secondly, are available in all sizes, example: black malleable iron hex nipple fittings from 15mm to 100mm (1/4″ – 4″).
  • Thirdly, Surface processing is hot dipped galvanized, or black coating.
  • Fourthly, we accept OEM according to customers’ demand.

Not For High Pressure Or Corrosive Services – YINUO Warmly Tips

  • Strength – Malleable iron has lower tensile strength compared to carbon steel.
  • Corrosion – The iron composition and black surface make the fittings prone to rusting and corrosion damage.
  • Hardness – Malleable iron is softer than stainless steel or even ductile iron.
  • Coatings – Limiting corrosion protection in very aggressive chemical environments comparing to stainless steel.

Hopely, above mention could help all customers to understand the malleable iron black fittings and choose the proper specifications of fittings. Additionally, we offer customized service to oversea customers according to ASTM, BS, NPT, BSPT and BSPP, non-standard, etc.