China OEM/ODM Factory Alloy Steel Pipe - Galvanized Long Bolts And Nuts – Deye Manufacturer and Supplier

OEM/ODM Factory Alloy Steel Pipe - Galvanized Long Bolts And Nuts – Deye

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We constantly believe that one's character decides products' high quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Ball valve with ISO5211 top flange , Bronze Valve , Forged flange , We welcome shoppers, business enterprise associations and close friends from all sections with the globe to contact us and seek cooperation for mutual added benefits.

OEM/ODM Factory Alloy Steel Pipe - Galvanized Long Bolts And Nuts – Deye Detail:

Standard: DIN6914-6916 , ASMEB18.2.6 and JISB1186 AS1252.
Different sizes between M12 and M30 are available.
Material: B7/2H, 20MnTiB ,35VB. A3, A1, A2. A4.
Pressure rating: 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9.
surface treatment: black oxide , hot galvanizing ,black, Dacromet and zinc plating.
Hexagonal head types: one is flat-brained and the other is concave-brained.
Depending on the position of the flange bolt, the size requirements of the disc are different. There are also flat bottom and toothed parts.

The quantity of bolts for a flange connection will be given by the number of bolt holes in a flange, diameter and length of bolts is dependent of flange type and Pressure Class of flange.

Stud Bolt length are defined in ASME B16.5 standard. The length in inches is equal to the effective thread length measured parallel to the axis, from the first to the first thread without the chamfers (points). First thread is defined as the intersection of the major diameter of the thread with the base of the point.

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