About the stainless steel head stainless steel head role overview stainless steel head is a stainless steel pipe products used for blocking. Is coming to an end after a pipe or a tube of two welding head to do the last two containers of a product. Similarly there are blind plate, pipe caps, plugs and so on. Other name for stainless steel head: Stainless steel straight edge without head, barrel spin edge, oval head, dished ends, shallow shaped head, various sizes head spin edge, stainless steel size head spin edge, flat, hemispheric shaped side spin, ball seal top. Material: 304,304 L, 321,316,316 L, 310S, 00Cr18Ni5Mo3Si2 (UNS S31500) (3RE60), 630, 00Cr22Ni5Mo3N (UNS S31803/S32205) (SAF2205), 00Cr25Ni7Mo4N (UNS S32750) (SAF2507) 304,1 Cr13, 2Cr13, 3Cr13, 1Cr17Ni2, duplex steel, antibacterial steel and other materials. To the surface of the stainless steel head and all seams for 100% colored checks. 1) stainless steel head shape to meet JB/T4746-2002 "steel pressure vessel head" and in line with technological transfer card requirements. 2) forming head, the first visual inspection, surface without cracks, wrinkles and other defects. No more than 0.5mm deep indentation, strain. After the surface treatment is necessary, to the head surface and a 100% of all colored seam inspection. 3) pickling passivation state of delivery to internal and external surfaces of iron contamination tests. Hot dip galvanized stainless steel head needs or aluminized steel container stainless steel head in nitrates, ammonia, alkaline environment will occur, such as sodium crack, stainless steel head to eliminate residual stress; secondly, austenitic stainless steel in chloride ions occur under specific environmental stress corrosion cracking, please choose the right materials in the design; Finally, the need to galvanized or aluminized steel container, please do the heat treatment to remove residual stress. Longwan Hongyu Metal Head Factory Add: Wenzhou City view golden sand town seven A Tel :0577 577 -86925750 -86925157 Fax Mobile: 13057722577 15355996788 Contact: Sun Shaodi URL: www.hyft.cn