Wenzhou Zheheng Steel Industry Co.,Ltd
To provide safe and reliable high quality stainless steel ,nickel alloy pipes and fittings
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EN10217-7 TP304/321 stainless steel welded pipe for paper making /stainless steel welded tube
As one of the leading manufacturer in stainless steel welded pipe industry,we can supply to you EN10217-7 welded stainless steel pipe ,321 welded stainless steel pipe,316 erw welding stainless steel tubing, welded stainless steel pipes are our competitive products.
We have the most advanced producing and testing equipment, also have the biggest production scale.
Mtsco use the advanced ERW and EFW technology from Japan and Korean, making the close dimension controls and the tolerance can be controlled +/-2°C;
Products will be done PMI, NDT tests before they have been sent to our clients.
We have PED, ISO certificates. PED , ISO9001
Produt details :
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| Size | OD: 13.5mm-323.9mm |
| WT: 1.2mm-8.8mm | |
| Length: 1m to 12m or as per customers’ requirement | |
| Advantage | Superior surface finish ,better mechanical property; more precise dimension; perfect inspection method and inspection equipment |
| Application | a) General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear) b) Fluid, gas and oil transport c) Pressure and heat transmission d) Construction and ornament e) Boiler heat exchangers f) Decorative usage (road lamp facilities, bridge handrail, expressway railing, bus stop, airport and gymnasium) boiler, auto parts, medical equipment, building materials, food industry |
| Package | Iron case ;Plywood case ;Woven bag
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We are aslo produce according to russia ,european standard
| Russia Standard | 08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б, 10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т, 12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, |
| European Standard | 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,
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NDT: Eddy Current or Hydraulic Test
Heat Treatment: Bright Annealed
Quality Assurance: MTSCO is ISO 9001 & PED97/23/EC certified with 100% traceablity on all instrument Tube and material test reports (EN 10204/3.1B) accompany every shipment upon request.
Heat Treatment Assurance
A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking
