14 July 2021

Spotlight on our F6NM round bar stock...

Since the formation of Special Quality Alloys Ltd back in 1986, the material grade F6NM has been an integral part of the business. The dominant use of this grade is in the Oil & Gas industry and our extensive round bar stock range has ensured our major supplier status.

A martensitic stainless, with the addition of Nickel & Molybdenum, creating a high strength steel with excellent sub-zero impact properties. F6NM also exhibits a high level of corrosion resistance and weldability.

We have decades of experience in the supply of F6NM material which has been used in the manufacture of Valve Bodies, Bonnets, Valve Seats & Gates, Stems, Hangers, Pressure Containing Parts, Seals and more.

Applicable  Specifications:

Typical mechanical properties in Solution Annealed and Double Tempered condition:

Chemical Analysis Range:

Carbon 0.03% max - Phosphorus 0.025% max - Chromium 12.5% to 13.5% - Silicon 0.3% to 0.6% - Sulphur 0.025% max - Nickel 3.5% to 4.5% - Manganese 0.5% to 1% - Nitrogen 0.03% max - Molybdenum 0.3% to 0.7%

Round bar stock range at Special Quality Alloys:

38.1mm DIA  to  495.3mm DIA.