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· Stainless steel reducer production of the relevant information
· Slip on flange how to lap the flange
· Factors that affect the price of the reducer
· Hebei Shengtian Group specializes in producing all kinds of pipe fittings and flanges
· ERW steel pipe and seamless steel pipe difference
· Seamless steel pipe storage
· What is the pressure capacity of the blind flange?
· Carbon steel pipe bend in the production process to pay attention to the problem

 

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Stainlesss Steel Bend Pipe's introduce
Source :admin   Time:6/19/2017 3:38:01 AM   hit:

  ASTM A240 Stainlesss Steel Bend Pipe use a set of mould to bend, whatever which machine equip or pipe , almost need elbow pipe,  they always use for oil transportation ,gas transportation, liquid transportation…

  The reason cause elbow pipe quality reducing and attentions.

  When it’s totally bending. Pipe in the effect with M, ektexine is effected by tensile stress and it will be reduced. Inner side suffer tensile stress. It will be more thinner . composition force N1 and N2 make cross section occur variation.

   we said it last time, when the pipe is bending ,It’s outside suffer pull, inner side press neutral axis’ location is different to elbow pipe method. On push bending work neutral axis is a third of the distance from ektexine.  When it starts spin working ,neutral axis is two thirds of the distance from ektexine. So the thin-wall pipe bends, use spinning method is beneficial.

  Bend tire’s accuracy also is one of the main element to effect the quality. When we make the bend tire. In addition to request common difference is within the limit. We still request that when the user using this product he should according bend pipe diameter choose relevant bend tire.

   Pipe’s bending property and surface corrosion maybe effect pipe’s quality. When it on site operation. Handlers should know and make the right decision on the material of the processed pipe, processability and surface corrosion.

  So we design the bend tire R=4D, according  to our factory produce the elbow pipe also choose SX wall thickness , because special dabber it’s difficult to make and hard to control. So we usually don’t offer this production. Special circumstance we can considerate it later.

  Elbow pipe’s classification

  According to material we divided into

  Carbon steel: ASTM/ASME A234 WPB、WPC

  Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911、15Mo3 15CrMoV、 35CrMoV

  Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N

  ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti

  ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H

  Low temperature steel: ASTM/ASME A402 WPL3-WPL 6

  High-efficiency steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

  Cast steel, alloy steel, stainless steel, copper, aluminium alloy, plastic .argon luo drain, PVC, PPR, RFPP….

  Aluminium alloy: 3003,6061

  Copper: red copper ,brass

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