Differ in roll end diameter | Material of different diameter canal is qualitative:
Stainless steel differ in roll end diameter, different diameter is in charge of (304304l316316l)
Alloy steel differ in roll end diameter, different diameter is in charge of carbolic steel differ in roll end diameter,
Different diameter provides 20 steel Q234q345
Differ in roll end diameter | Different diameter provides a standard:
GB is beautiful mark flower mark and punch of all sorts of the high pressure that be not mark.
The flange of form a complete set of pressure vessel of GD0506~0507 of Electricity Department standard, tube plate is corresponding standard: JB/T4700~4707-2000 carries out national level (GB/T9112-2000) , rigid ministerial standard (JB81-59, JB/T74-94) , petrifaction ministerial standard (SH3406-96) , standard of Chemical Industry Department (HG5010-58, HG20592-97) etc. Material of flange of exit forged steel accords with ASTM.A105 standard of the United States character.
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