Steel Products from China
Steel Products from China
(OP)
I'm getting kind of leery of the quality of steel pipe and tube from mills in China. Is anyone seeing problems with conformance to ASTM specs, such as heat treatment, properties, trace elements and defects?





RE: Steel Products from China
RE: Steel Products from China
This has been 3-4 years back.
rmw
RE: Steel Products from China
Some of them are:
http://www
http://www
http://www
h
The general feeling is that if the Chinese can sell an item and the "value added" (i.e. heat treatment) cannot be easily determined from a visual inspection, then they will try to get away with it.
Remember, most of the world operates on a "buyer beware" basis.
A US supplier of finished boiler goods bears a "legal liabilty" for his products if they are found as defective. (He can be sued for consequential damages). This is not true of imported materials.
Remember, the force of US tort law, which protects all of us, ends at the borders...
My opinion only..
-MJC
RE: Steel Products from China
However, we, the rest of the world, are bending backwards to sell them steel, uranium and other materials and then we import everything from them;- then we complain about the quality.
Stop feeding the monster and it won't produce any more c...p.
I don't buy matches anymore, are made in China..
cheers,
gr2vessels
RE: Steel Products from China
Doesn't protect us in the UK...
RE: Steel Products from China
When I was a kid growing up in the 60's, the TV comedians all made fun of Japanese products as being of inferior quality. Then came the big gas shortage, and those funny small, fuel-efficient Japanese cars became very popular. NO ONE makes fun of Japanese products anymore.
Russell Giuliano
RE: Steel Products from China
Brian
RE: Steel Products from China
RE: Steel Products from China
What is an AML...???
RE: Steel Products from China
RE: Steel Products from China
The guys that I know that are doing it are sending people to witness every manufacturing run in China.
If you don't care enough to inspect then don't complain to me.
= = = = = = = = = = = = = = = = = = = =
Still trying to help you stop corrosion.
formerly Trent Tube, now Plymouth Tube
eblessman@plymouth.com
or edstainless@earthlink.net
RE: Steel Products from China
RE: Steel Products from China
Some 15 years ago you saw the first Mainland Chinese stands in European Exhibitions trying to sell valves, (not steel tubing in this case) manned by elderly men, (with younger people translating) The message at that time: we have excellent products, they are made as exact copies of Japanese valves....!
Typically you will now meet younger people at the same stands, with good english, explaining in detail pro and cons compared with European products....!
Capital, people and knowledge are imported from Taiwan (and other places), and always when exporting technical projects to China a transfer of knowledge is required as part of the contract...
Oh yes, China is on a learning curve!
And yes, it will take a while, and yes, I have seen some bad fabricated and poorly controlled products......
RE: Steel Products from China
Vessel / exchangers fabricators have to provide lists of where they will source their materials - from plate through to gaskets.
European, Japanese and North American prodiucts are the preferred and mostly required source - even some Soutgh Korean products and mills are on the black list.
RE: Steel Products from China
A group of utilities are working on devevloping a specification which will set the limits for trace elements and then include that in all orders. We will require all suppliers (Domestic and foreign) to comply. Most tube and pipe mills are melting scrap to help keep prices down.
RE: Steel Products from China
Perhaps using less expensive Chinese steel tubular products would be a really good choice for the upgraded 59 year old plants in Massachusetts.
http://www
I think that the combination of today's crop of MBAs coupled with ancient power boilers and notorious Chinese steel with "mystery ingredients would lead to "dynamic" results...
Anybody else out there agree ???
-My opinion only....
MJC
RE: Steel Products from China
So... if you use chinese milled tubes with good ole' American milled 5" armour plating for a blast wall around the ancient steam generators, we'd be golden like a shower?
I like your theory, can I subscribe to your logic?
RE: Steel Products from China
ahthomas236