软钢板法兰， 不锈钢铸板法兰，片型蝶阀， 2片式法兰型球阀， 钢板。
Mild steel plate flanges , cast stainless steel flanges , wafer-type butterfly valve, 2-piece flange-type ball valve, steel plate.
法兰允许用钢板拼接焊制，对长颈法兰应符合GB 150的有关规定。
Blend steel welding of flanges is allowed. Long neck flange should conform to related stipulations of GB 150.
最后，使用不锈钢板料进行了带法兰边圆筒件拉深试验。
Finally, the experiments on stainless steel cylinder with flange plate work-piece drawing are made.
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