Hello,
To certify a coating system according to ISO 12944-9 must both the minimum requirements of Table 3 and the performance testing be met, or is passing the performance tests sufficient?
Thanks in advance for your help.
We have procured ASTM A333 GRADE 6 for sour service and there are two points that need clarification.
1. in the material requisition there is a requirement for yield strength and ultimate tensile strength not to exceed the specified minimum value by more than 20,000 psi. However the MTC depict...
Dear all, there is a contract requirement for the supports of marine fenders, to be hot dip galvanized and overcoated per ISO 12944-9. I have an objection and I need your help.
These items being hot dip galvanized, they cannot be used in splash / tidal and immersed services as it is clearly...
In a painting procedure of a valve manufacturer, the painting system applied for the floating ball valves is consisted from the following two layers
-first layer is chromium phosphate or nitrosynthetic, thickness of coat, once dried: 5/15 microns internal and external
-second layer Rapid-drying...
SA-266 GR.2 is not included in ASME B16.34. However, please advise, if we needed to categorize it in a nominal designation just like in Table 1 of ASME B16.34, it could be C-Si or C-Mn-Si? What would be the P-T rating group that could match closer a flange made by this material?
We have a blower from aluminum alloy and it will be installed in a heavy marine environment. Vendor said that all parts can receive paint according to ISO 21944 C5, but I think that maybe the performance of the blower will be affected. The thickness of the painting system will be around 300 μm...
For subsea flanged connections of HDPE sea water intake chlorinated pipes we need to specify the material for the flanges/bolts/nuts with or without cathodic protection. System will be covered in its full length with backfill sand. Proposed materials are HDG with cathodic protection, 316L with...
We have to suggest Material Selection for Water Injection 6-inch Trunklines & 4-inch Flowlines with Design Pressure = 300 barg and Design Temperature = 90°C. Our concern is the high salinity of the water equal to 220.000mg/lt (two hundred twenty thousand). Any help in the above issue will be...
I need corrosion monitoring transmitters to be used in internally fusion bonded epoxy carbon steel piping systems so as any holiday of the FBE to be noticed and underneath CS corrosion to be caught up and avoided. I understand that the element material is usually the same material with the pipe...
ASTM A193 B7 IS CONSIDERED HIGH STRENGTH LOW ALLOY (MICROALLOYED) STEEL. STUD BOLTS B7 REQUIRE PMI (POSITIVE MATERIAL IDENTIFICATION)? THANKS IN ADVANCE!
