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I am looking for a german company that supply fixtures to hold/clamp two large diameter(90"plus)tank shells together so their circumferencial seams can be welded. The name of the company was called HEINRUCHSGLUCK. Does anyone recognize this company name? Thanks rbrez

Desertfox - Thamk for the web site. It is one of many that I had already went through already. They do not have the equipment I am looking for. rbrez

Desertfox - I have been trying for about 3 hours with no success. That is why I thought I would try this web site. regards rbrez

I am looking for names of companys that supply fixtures to hold/clamp two large diameter(90"plus)tank shells together so their circumferencial seams can be welded. The fixtures can clamp either internaller or externally. Thanks

The vessel will be built in Tongxiang just outside of Shanghai.

cmsmeng: The vessel is already being manufacutured in the China area. We just want to stress relief it to about the 1200 degree F temp for a few hours. Any advise would be appreciated. rbrez

Does anyone know of companys in the Republic of China that can stress relieve a large steel pressure vessel -30 feet high by 20 foot diameter? Thanks

Without going into detail, is it normal for a high tensile steel (over 80,000 psi) to have a large variation of charpy impact test results of, ie - 10 to 120 ft-lbs?

Thanks for the reply. That is the problem, I do not have the Mill test reports. I agree that the 75 could be the year. The plate TC 128 GRB is a special plate used in the railcar tank building industry. I am just trying to find out what the code markings mean.

The following heat number / identification markings were taken off some steel plate. Can anyone help me identify it? 75A679 287993 AAR-TC 128GRB USS I recognize the material - AAR-TC128 GRB. I think the Mill is US Steel I'm not sure of the meaning of the digits of the first two number...

Does anyone know any supliers where I can get round bar (1" to 4") and hex bar (1" to 4")in ASTM A105? Thanks

Sorry - a threaded pipe union.

MSS-SP83 for pipe unions specify the use of ASTM A105 for carbon steel material. We are finding A105 very hard to source. MSS-SP83 states that "Unions may be made from materials of other wrought material by agreement between the manufacturer and the purchaser but shall not be marked SP-83"...

I have seen general dimensions for 1-1/2" 3000# SS threaded pipe unions with both the male and female ends with round ends. Has anyone seen general dimensions for the same fitting but with Hex ends and what the dimenions of the Hex would be? Thanks

Thank you for the reply. The material was 3/16" thick for a tank. I have no information if the material was hot or cold rolled. The moly was 2.1 (spec is 2 - 3) and chromium was 16.43 (spec is 16 to 18). The lab did not give me a count or percentage. They just said "large...

Recently I had a corroded section of 316L SS analysed by a lab who did a chemical analysis and microexamaination on the metal. They found the material's chemical composition within ASTM standards but the nickel was at minumum 10%. The microexamination found the material to have excessive...

We have a 316L SS mobile tank that we recently found with horizontal lines (relating to product level) of - Heavy "rust" stains about 1/8" wide by a couple of inches to a couple of feet long - deep corrosion 1/8" wide, up to 1/8" deep by a 1/4" to a couple of...