Posts about table 53A written by ronmooring. both ASTM and tables , calculations for Special Applications, LPG/NGL calculations). Volume VII – Generalized Crude Oils (Tables 53A & 54A) Volume VIII – Generalized Products (Tables 53B and 54B) Volume IX – Individual. If ” PRODUCTS ” TABLES 54B and 6B are selected, 1, A.S.T.M. TABLES. 2

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We can apply this WCF to the standard volume to get the weight of cargo in the air. Remember volume changes with temperature. Even though on tablr it is more common to measure the cargo weights in the air, sometimes you may find that the charterers would give the requirements for measuring weight in Vacuum. This is the reason “Albert Einstein Quotes.

ASTM D – ROFA Products

There are so many tables to use and so many terms that float. Let us say the provided values are Density at 25 Deg C: In above ullage report, I have applied the WCF to the Gross standard volume but we can easily make one additional column and zstm the WCF to the standard volume of each tank to get the weight in the air for each 35a. This is even easier than the previous section that we discussed. Basics of cargo calculations Ok, now let us get back to basics of cargo calculations on tankers.


So, in this case, we just apply these densities to get the weight of cargo in each tank and thus satm total weight of the cargo. These detailed and well researched articles provides value reading for all ranks. He has done extensive research on quantitatively measuring Safety culture onboard and safety climate ashore which he believes is the most important element for safer shipping. Not because these are difficult but because there are so astmm variations to it.

Basics about Volume and weight Before we proceed to the complex things, it is better to start with the basics.

Even when we hear some weight of cargo, let us say Tons of cargo, there are two things that we need to be aware of.

table 53A – Mooring Marine Consultancy

MySeaTime Blogs Learn the difficult concepts of sailing described tanle a easy and story-telling way. And when we multiply the volume at observed temperature with VCF, we get the standard volume, this time the volume at 60 Deg F. Go to myseatime blogs. Will try to write on similar topic for LPG.

There is a simple formula to convert these. Volumes are measured in cubic meters at some places and barrels like in the US in other Weight is measured in Metric tons at some places and in long tons at other places and barrels at 60 deg F at other places. ASTM tables without any letter are common for both crude oils and product oils. All of your blogs did a vast contribution to pass my orals exam from uk in my first attempt This will be the volume at the observed temperature.


Thankyou sirvery well explained in simple words with deep explanation. We then need to apply the weight correction factor WCF to convert the standard volume to weight. Let fable use the same volumes and temperatures that we have used in our initial example.

Thank you very much for tablle kind effort for explaining cargo calculation in a very simple language. Vapour weight in LPG About Capt Rajeev Jassal Capt.

So as we can see for temperature 34 Deg C, the volume correction factor is 0. Sarath M Dec 25, While the ASTM tables that we discussed in previous sections are the one that is used mostly, there are other ASTM tables that supplement these main tables.

ASTM Table 53 / 54

Short, crisp and full of value. Following the same principle as earlier, we need to bring this volume to volume at 60 Deg F. Now the final ullage report will look like this. Krishna kumar Nov 10,