Company Details

  • Shijiazhuang Bang dong Pipeline Technology Co,Ltd.

  •  [Hebei,China]
  • Business Type:Manufacturer
  • Main Mark: Africa , Asia , East Europe , Europe , Middle East , North Europe , West Europe
  • Exporter:91% - 100%
  • Certs:CE, ISO9001
  • Description:Stud Bolts, Heavy Nuts, Stud Bolts With 2 Nuts, Hex Bolts, 2H HDG Nuts, Galvanized Bolts and Nuts
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Shijiazhuang Bang dong Pipeline Technology Co,Ltd.

Stud Bolts, Heavy Nuts, Stud Bolts With 2 Nuts, Hex Bolts, 2H HDG Nuts, Galvanized Bolts and Nuts

Home > Products > Bolts & Nuts

Bolts & Nuts

Product categories of Bolts & Nuts, we are specialized manufacturers from China, Stud Bolts, Heavy Nuts suppliers/factory, wholesale high-quality products of Stud Bolts With 2 Nuts R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
China Bolts & Nuts Suppliers


In Petro and chemical industry for flange connections Stud Bolts and Hex Bolts are used.


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.




1) Standards:

Based on DIN & ANSI & JIS & IFI

and per drwing

2) Material: carbon steel, alloy steel, stainless steel
3) bolt Size: M4-M42,3/8"--7/8"
4) bolt Surface: Plain,Zinc ,HDG,DAC,Geomet
5) bolt Thread: UNC, UNF, Metric Thread
6) bolt Quality control : ISO 9001
7) bolt Package : Small box ,Poly Bag,Carton+Pallet

Grades of Stud Bolts

Below a table with materials and grades for flanges, thread rods (bolts) and nuts, arranged on design temperature, flanges, thread rods and recommended nuts.

DESIGN
TEMP.
FLANGES GRADE
THREAD RODS
GRADE
NUTS
-195° to 102°C ASTM A182
Gr. F304, F304L, F316,
F316L, F321, F347
A320 Gr.B8 Class2 A194 Gr.8A
-101° to -47°C ASTM A350
Gr.LF3
A320 Gr.L7 A194 Gr.7
-46° to -30°C ASTM A350
Gr.LF2
A320 Gr.L7 A194 Gr.7
-29° to 427°C ASTM A105 A193 Gr.B7 A194 Gr.2H
428° to 537°C ASTM A182
Gr.F11, F22
A193 Gr.B16 A194 Gr.2H
538° to 648°C ASTM A182
Gr.F11, F22
A193 Gr.B8 Class1 A194 Gr.8A
649° to 815°C ASTM A182
Gr. F304H, F316H
A193 Gr.B8 Class1 A194 Gr.8A
DESIGN
TEMP.
FLG'S GRADE
THREAD RODS
GRADE
NUTS




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