DIN supplier made in China – replacement parts – in Toulouse France En St52.4 Cold Rolled Seamless Steel Tube with High Precision with top quality

DIN  supplier  made in China - replacement parts -  in Toulouse France  En St52.4 Chilly Rolled Seamless Metal Tube with Large Precision with top good quality

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

one.Descriptions

Name DIN EPT St52.4 Chilly Rolled Seamless Metal Tube with Large Precision
Specification DIN2391-ninety four/C, EN10305-1, EN10305-4, SAE J524, GB/T3639-2009
Metal Grade St35, St37.4, St45, St52.4, E235, E255, E355
Size OD:3-76mm, wall thickness: .5-6mm
Length 4m,6m or custom-made
Supply Conditions NBK(+N), BK(+C), GBK(+A), BKW(+LC), BKS(+SR)
Characteristics substantial cleanness within wall, No deformation following cold bending, no crack right after flaring and flattening, complicated geometrical forming and machining can be recognized
Applications Used in hydraulic system, auto Mobile: +86~13 0571 88828 and in the occasion exactly where the higher precision, brightness, cleanness and mechanical homes of the tube are necessary
Packing Plastic film & Knitting Bundled, Plywood Situation or as ask for
Shipping Time twenty-30days after purchase verified

two. Chemical Composition (ca EPT investigation)

Steel Gr. Steel No. Chemical Compositions(%by mass)
C(max) Si(max) Mn P(max) S(max) Al(min)Overall
St35, St37.4(E235) 1.0305 .seventeen .35 ≥0.forty .571 .571 .015
St45(E255) 1.0408 .21 .35 ≥0.forty .571 .571 .015
St52, St52.4(E355) 1.0508 .22 .55 ≤1.60 .571 .571 .571

3. Mechanical Houses (at room temperature)

Steel Gr. Steel
No.
BK BKW BKS GBK NBK
Rm
MPa
A
%
Rm
MPa
A
%
Rm
MPa
ReH
MPa
A
%
Rm
MPa
A
%
Rm
MPa
ReH
MPa
A
%
Min Min Min Min Min Min Min Min Min   Min Min
St35(E235) 1.0305 480 6 420 10 420 315 14 315 twenty five 340-470 235 twenty five
St45(E255) 1.0408 580 5 520 eight 520 375 12 390 21 440-570 255 21
St52(E355) 1.0508 640 four 580 seven 580 420 10 490 22 490-630 355 22

4. Generation Circulation Chart

Crucial Techniques Descriptions:
Chilly Rolling
Tube rolling makes use of compression to minimize the size of seamless tubes. It utilizes one or two sets of rol EPT with consistent
cross-part grooves on the circumference of the tube. The rol EPT are driven by rack and pinion gears of various
radii alongside profiled cams, finishing a number of 360º rotations about the tube
Tube rolling is a extremely specific strategy of reducing very skinny walled and/or more compact diameter tubes, and is usually employed
as the closing chilly doing work phase. By rolling, we’re in a position to obtain extraordinary manage in excess of dimensional tolerances
and floor finish whilst also reducing materials loss and strengthening the metal’s microstructure.

Chilly Drawing
Chilly drawing reduces the diameter by pulling the tube through a die that is more compact than the tube. In order to fit the tube
into the die, one finish is swaged therefore decreasing the diameter of the major finish just before drawing. Next, the narrowed
finish is handed through 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 steel just before further chilly functioning or fabrication procedures, and enhances the all round
metallurgical microstructure of the tube. During tube reduction or cold drawing, it can become hard and considerably brittle.
To be capable to attract the tube yet again, stresses shaped during chilly doing work want to be taken off to return the content to its
regular state.
During annealing the tube is heated to a managed temperature and soak time. By means of this process the tube stays in
condition, but the grains in the construction of the tube reform into a regular unstressed pattern. The ensuing annealed tube is
softer and ideal for redrawing

Straightening
Drawing and annealing generally final results in some diploma of bowing, producing a slight bend in the tubing. In order to
make the tubes straight, we use several roll mechanical straighteners to employ this process, Straightening can
introduce slight adjustments to the measurement and mechanical qualities of the tubing, so these elements are quite carefully
controlled during the process.

five. Inspection and Assessments
We examine all lots of tubing before shipment to make certain that each and every factor of the customer’s order has been fulfilled.
Our in-property inspection and tests capabilities include:

  • Chemical Composition Test
  • Visual inspection
  • Dimensional inspection
  • Floor roughness tests
  • Eddy Recent tests
  • Hydrostatic pressure screening
  • Destructive mechanical screening:

– Yield Energy
– Tensile Toughness
– Elongation
– Hardness tests
– bending, flattening, and flaring
All shipments consist of a complete Te EPT Certification displaying all needed te EPT outcomes and verifying compliance with the get demands.

six. Packing and Shipments

seven. Programs

 

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 distinct branches. For much more particulars: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of first tools manufacturer’s (OEM) component figures or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating item use and compatibility. Our company and the shown substitution parts contained herein are not sponsored, approved, or manufactured by the OEM.

DIN  supplier  made in China - replacement parts -  in Toulouse France  En St52.4 Cold Rolled Seamless Steel Tube with Large Precision with leading top quality

DIN  supplier  made in China - replacement parts -  in Toulouse France  En St52.4 Chilly Rolled Seamless Steel Tube with Higher Precision with leading quality

DIN  supplier  made in China - replacement parts -  in Toulouse France  En St52.4 Cold Rolled Seamless Steel Tube with Large Precision with best top quality

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