Welded  Cost  made in China - replacement parts -  in Abomey-Calavi Benin  and Seamless Precision Stainless Steel Pipe - Automobile Industrial Supply with top quality

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 different branches. For more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

one. Descriptions

Title Welded and seamless precision Stainless Metal Pipe – Automobile Cell: +86~thirteen 0571 88828 Industrial Source
Specification ASTM A213, ASTM A269, ASTM A312, EN15716-5, GB/T14976-2012
Metal Grade SS304/SS304L, SS316/SS316L
Dimensions OD:3-fifty.8mm, wall thickness: .5-4mm
Duration 4m,6m or customized
Supply Conditions BA( EPT Annealed), Mechanical Polished, Electro-polished( EP)
Attributes EPT Annealed for concluded tube, substantial cleanness and substantial precision of inside of and outside floor, great mechanical houses, superb cold bending capacity, high temperature resistant and anti-oxidation. We also offer sharpening and pipe reducing services
Purposes Used in auto Cell: +86~thirteen 0571 88828,precision instruments,hydraulic technique, equipment,petroleum,chemical and gas field.
Packing Plastic movie & Knitting Bundled, Plywood Situation or as ask for
Shipping and delivery Time 30-60days right after order verified

2. Chemical Composition:

Grade C Si Mn P S Cr Ni
304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 ≤18.-twenty. ≤8.-10.5
304L ≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.030 ≤18.-20. ≤8.-10.5

 

Grade C Si Mn P S Cr Ni other folks
SUS316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 sixteen.~eighteen. ten.~fourteen. Mo:2~three
SUS316L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.~18. 12.~fifteen. Mo:2~3

three. Mechanical Houses&Hardness:

Quality YS(Mpa) TS(Mpa) EL(%) Hv
304 ≥205 ≥520 ≥40 ≤200
304L ≥175 ≥480 ≥40 ≤200

 

Quality YS(Mpa) TS(Mpa) EL(%) Hv
SUS316 ≥205 ≥520 ≥40 ≤200
SUS316L ≥175 ≥480 ≥40 ≤200

4. Generation Stream Chart:

Important Methods Descriptions:
Chilly Rolling
Tube rolling employs compression to minimize the size of seamless tubes. It makes use of one or two sets of rol EPT with
continual cross-segment grooves on the circumference of the tube. The rol EPT are pushed by rack and pinion gears
of various radii along profiled cams, finishing a number of 360º rotations all around the tube

Tube rolling is a really specific approach of minimizing very slender walled and/or more compact diameter tubes, and is often
used as the closing chilly doing work stage. By rolling, we’re ready to obtain excellent control more than dimensional tolerances
and floor complete even though also reducing material reduction and bettering the metal’s microstructure.

Cold Drawing
Chilly drawing reduces the diameter by pulling the tube through a die that is scaled-down than the tube. In get to fit
the tube into the die, one end is swaged thus minimizing the diameter of the leading stop prior to drawing.
Subsequent, the narrowed conclude is passed by way of the die and clamped to a drawing trolley which pul EPT the tube by way of the die.

Annealing
Annealing is utilised to soften the metal prior to further cold operating or fabrication procedures, and increases the
all round metallurgical microstructure of the tube. During tube reduction or chilly drawing, it can grow to be difficult and
somewhat brittle. To be able to attract the tube once more, stresses fashioned throughout cold doing work require to be taken off to
return the content to its normal state.
In the course of annealing the tube is heated to a managed temperature and soak time. By way of this approach the tube
continues to be in form, but the grains in the structure of the tube reform into a normal unstressed pattern. The ensuing
annealed tube is softer and appropriate for redrawing

Straightening
Drawing and annealing usually final results in some degree of bowing, generating a slight bend in the tubing. In purchase to
make the tubes straight, we use several roll mechanical straighteners to employ this treatment, Straightening can
introduce slight adjustments to the dimensions and mechanical houses of the tubing, so these factors are very carefully controlled
in the course of the method.

five. Inspection and Exams
We examine all plenty of tubing before cargo to make certain that each element of the customer’s buy has been satisfied.
Our in-house inspection and tests capabilities contain:

  • Chemical Composition Check
  • Visible inspection
  • Dimensional inspection
  • Surface roughness screening
  • Eddy Current testing
  • Hydrostatic pressure testing
  • Damaging mechanical testing:

– Yield Power
– Tensile Strength
– Elongation
– Hardness testing
– bending, flattening, and flaring
All shipments include a entire Te EPT Certificate displaying all necessary te EPT outcomes and verifying compliance with the order specifications.

six.Packing & Shipments

seven.Merchandise Dimension Range:

               OD                 Tolerance(mm)           Interior Surface area Roughness
Inch mm   OD WT BA Tube EPT Tube
      one ±0.05 ±0.05 ≤0.8μ  
      one ±0.05 ±0.05 ≤0.8μ ≤0.4μ
three/8   1 1.24 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
1/2   one one.24 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
5/8   1.24 one.65 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
3/four   one.24 one.65 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
one   one.24 1.sixty five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  3 .5   ±0.05 ±0.05 ≤0.8μ  
  four .seventy one 1 ±0.05 ±0.05 ≤0.8μ  
  five 1   ±0.05 ±0.05 ≤0.8μ  
  6 1 1.5 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  8 one 1.five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  ten one one.five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  12 one 1.five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  14 one one.five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  fifteen one one.5 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  16 one one.five ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  18 1 one.5 ±0.05 ±0.05 ≤0.8μ ≤0.4μ
  twenty one 1.5 ±0.05 ±0.05 ≤0.8μ ≤0.4μ

If you have particular prerequisite about the tolerance of OD and WT, please check with us.

8. Applications:

 

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 different branches. For far more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of authentic gear manufacturer’s (OEM) portion quantities or trademarks , e.g. CASE® and John Deere® are for reference reasons only and for indicating merchandise use and compatibility. Our firm and the shown alternative elements contained herein are not sponsored, accredited, or created by the OEM.

Welded  Cost  made in China - replacement parts -  in Abomey-Calavi Benin  and Seamless Precision Stainless Steel Pipe - Automobile Industrial Supply with top quality

Welded  Cost  made in China - replacement parts -  in Abomey-Calavi Benin  and Seamless Precision Stainless Steel Pipe - Automobile Industrial Supply with top quality

Welded  Cost  made in China - replacement parts -  in Abomey-Calavi Benin  and Seamless Precision Stainless Steel Pipe - Automobile Industrial Supply with top quality