We are in the process of placing an order for 304L fabrication to D1.1 and the vendor is suggesting that the material he is purchasing in Japan JIS SUS304L may not show yield strength on the certs.
I am assuming the welding can still be performed to AWS.
Will proceedures need to be qualified on...
The following is a site that I have run across recently:
http://toxnet.nlm.nih.gov/
It can be used to effectively characterize the content of above ground storage tanks. Also hazards labeling and MSDS sheets are effective tools.
Expected corrosion rates in any given process or storage...
Rectangular vessel, 150 psi, 6" x 10" rectangular inside cross section.
code exemption rule - vessels having an inside diameter, width, height or cross sectional diagonal not exceeding 6 in., with no limitation on length.
it does not say - vessels having an inside diameter, width, height AND...
I have a large custom designed replacement blind flange being put into service. It is mating with an existing flange with blind tapped holes. As a result the bolt holes will require oversizing to allow fittup with the existing flange. 1 1/8" studs in holes as large as 1.614".
Where...
I have a 15000 gal. waste water storage tank w/ 300 ft^3/min. inflows. If I size the vent for 300 CFM which equals 5 ft^3/s at 3.28 ft/s (1 m/s) the resulting area required for the vent is 1.52 ft. Based on the sampling of atmospheric tank vents that I have seen this is very large.
