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235 Billet steel

  • China (Mainland)China (Mainland)
  • US$5 Million - US$10 Million
  • 11 - 50 People
  • Business Service (Transportation,finance,travel,Ads,etc)
  • North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
  • skype
  • Mr.
  • +86-317-2096991
Post Date : June 10
Membrane Switch Panels Manufacturer
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Item specifics


Thickness range: +/-5mm 150-240mm width: +/-20mm 880-1530mm
Length range: +/-500mm 3700-10000mm
Cross cut size: 64*64; 82*82; 98*98; 124*124; 120*150; 152*170mm; 152*164
Length: 9000mm
Cross section tolerance: +1.0/-2.0----+3.0/-1.0mm slab: width: +/-2.0MM thickness: +/-3.0MM
Length tolerance: +/-200MM
Diagonal tolerance of cross section: 3.5-8.0MM
<1242MM, <=2MM, >1242MM, <=3MM, =1242MM,
Broken ends (shear) extension deformation: <1242MM billet: no control; slab: <=15MM
Tilt: no more than 0.1 of the billet section
Bending degree: every 1M length no more than 10MM
Distortion: length <=11, <=5M. ; length <=5, <=7.5M.
Mn Si S 3SP/PS%:C P
Company Related ProductsView the Seller's Products
Double buried spiral pipe

Double buried spiral pipe

Double buried spiral pipe
(1) the raw material is the strip coil, welding wire, flux. In the input before the strict physical and chemical test.
(2) strip head and tail docking, using single or double wire submerged arc welding, the steel tube rolled by automatic submerged arc welding welding.
(3) before molding, the strip is treated by leveling, cutting edge, planing, surface clearing, conveying and bending..
(4) the pressure of the cylinder under the pressure of the pressure is controlled by the electric contact pressure gauge to ensure the smooth transportation of the strip..
(5) the use of external or internal control roller molding.
(6) the weld gap control device is adopted to guarantee the weld clearance to meet the welding requirements, the diameter, the wrong side and the weld gap are strictly controlled..
(7) welding and welding using the Lincoln Electric welding machine for single or double wire submerged arc welding, so as to obtain a stable welding quality.
(8) the welded seam after the on-line continuous ultrasonic automatic injury meter inspection, guarantee 100% of the spiral weld NDT coverage rate. If there are defects, automatic alarm and spraying marks, the production workers and so at any time to adjust the process parameters, timely elimination of defects.
(9) the air plasma cutting machine to cut a single pipe.
(10) into a single tube, each batch of steel tube to strict inspection system first, check the weld mechanical properties, chemical composition, blending, surface quality of the pipe and after nondestructive inspection, to ensure that the pipe manufacturing technology qualified, can be formally put into production.
(11) weld continuous acoustic inspection mark the site, after manual ultrasonic and X-ray review, if indeed defects, after repair again after testing until it is confirmed the defects have been eliminated.
(12) strip butt weld and intersecting and spiral seam D connector tube, all through X ray TV or film examination.
(13) each pipe is tested under hydrostatic pressure, and the pressure is radially sealed.. The test pressure and time are strictly controlled by the microcomputer detecting device of the steel tube. Test parameters automatic print record.
(14) the pipe end machining, the end verticality, can accurately control the slope angle and blunt edge.
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1 pipe. Such as: water, gas pipe, steam pipe with seamless pipe, oil delivery pipe, oil and natural gas trunk pipe. Irrigation water faucet with water faucet and sprinkler pipe, etc..

2 tube for thermal engineering equipment. Such as boiling water boiler pipe, a superheated steam tube, locomotive boiler superheater tube, opium pipe, small smoke tube, arch brick tube and the high temperature and high pressure boiler tube.

3 machinery industry tube. Such as aviation structure tube (round tube, oval tube, flat and oval tubes), automobile semi axle tube and axle tube, automobile and tractor structure tube, tractor oil cooler tube, agricultural machinery with square tube with rectangular tubes, transformer tube as well as bearing tube etc..

4 petroleum geology drilling tube. Such as oil drilling pipe, drill pipe (Kelly and hexagonal drill), drilling, oil pipe, petroleum casing pipe and all kinds of pipe joints, geological drilling pipe (tube core, casing, active drill pipe, drilling very, according to the hoop and a pin connected first).

5 chemical industry tubes. Such as: oil cracking pipe, chemical equipment heat exchanger and pipe, stainless acid, chemical fertilizer with high pressure pipe and transport chemical media, etc..

use of. Such as: container pipe (high pressure cylinder with the general vessel tube), instrumentation instruments with tube, watch shell tubes, syringe needles and medical equipment, etc..

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