Lokring Technology is pleased to announce the release of a new Low Alloy Carbon Steel Solution for Sour Service applications.
The Lokring “333*” Process Fitting is:
- A NACE compliant fitting material (AISA 4130 NACE Grade Carbon Steel) tested to NACE TMO-177 Method A.
- Qualified for use on A333 (LTCS) Piping (Charpy Impact tested to – 46º C (-50º F). 85% minimum shear)
- Designed with a Corrosion Allowance of 1/8th inch or 3.2mm
Following extensive ASME Qualification Testing (Flexural Fatigue, Burst, Tensile & Torsion) Lokring has Couplings from ½” to 2” presently available and weld-free ANSI Flanges in production. They are now qualified for use on A333, A106, API5L Grade B & A53 Pipe – Schedule 40, 80 &160.
Fittings will meet the criteria of NACE MRO175 / ISO15156 and MR0103-2007 for Refineries.
Fitting Material Specification meets AISI /SAE 4130 (UNS G 41300) Low Alloy NACE Grade Carbon Steel Fittings have Blue Zinc Chromate plating to ASTM B633.
Typical Class: #150, #300, #600 & #1500
Temperature Range: -46º C (-50º F) to +204º C (+400ºF)