Mechanical Steel Pipe
Mechanical Steel Pipe
Mechanical Steel Pipe

Mechanical Steel Pipe

Square

From 0.500” to 2.500”

Rectangle

From 1.000” x 0.500” to 4.000” x 2.000”

Round

From 0.125” OD to 26.000” OD

Custom Shapes (Must be large quantities)

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  • Products details
  • Tolerance table
  • Chemical composition
  • Inquiry
  • Specification

Mechanical Tubing Sizes

Square

From 0.500” to 2.500”

Rectangle

From 1.000” x 0.500” to 4.000” x 2.000”

Round

From 0.125” OD to 26.000” OD

Custom Shapes (Must be large quantities)


Hydraulic Steel Tubing

  • Seamless (SAE J-524)
  • Welded (SAE J-525)

Main material:
Lining: stainless steel, duplex steel, nickel base alloys, titanium, copper and other corrosion resistant alloys.
Product Features:
Using patented technology to make two kinds of interference materials, to ensure the working state of the medium in the corrosive environment, to meet the pressure requirements, greatly reducing the cost of materials, and at the same time has a great binding force

  • Process

Seamless hydraulic tubing is produced as a seamless tube by rolling and piercing bar stock.  It then gets multiple cold-drawing reductions before a final cold draw guarantees tight dimensional tolerances and excellent surface finish.  After final sizing of the tube through cold drawing it undergoes intermediate annealing and a dead-soft annealing process to meet SAE J524 requirements.


Welded hydraulic tubing is made from flat-rolled steel shaped into a tubular form where the edges are joined and fused together by electric-resistance welding.  After forming and welding, the tubing is then normalized and subjected to a cold-drawing operation.  Following cold working, the tubing is then normalized via an atmospherically controlled method to produce a finished product that will meet requirement of SAE J525.

  • Tests

Test Requirements of Mechanical Steel Tube

  • Eddy Current Test
  • Ultrasonic Testing
  • Hydrostatic Tests
  • Metalography Test
  • MP / DP / RF ECT Testing
  • BHN Hardness & Rockwell Testers
  • Visual Inspection, TPP and CVN Impact Testing
  • Packing & Delivery
Mechanical Steel Pipe
  • Tolerance table

Chemical Composition of Mechanical Steel Pipe

Chemistry

%

Carbon

0.06 - 0.018 Max

Manganese

0.30 - 0.60

Phosphorus

0.040 Max

Sulfur

0.050 Max

  • Chemical composition

Chemical Composition

Yield
(PSI)

Tensile
(PSI)

Hardness
(Max HRB)

Elongation
(in 2" Min)

25,000

45,000

65

35%

  • Inquiry

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mechanical steel pipe, mechanical tubing, mechanical steel tube

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