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Our organization puts emphasis to the administration, the introduction of talented staff, and the construction of team building, trying hard to boost the quality and liability consciousness of workers users. Our firm successfully attained IS9001 Certification and European CE Certification of Cladding Flanges A694 F42 Inconel 625,Overlay Cladding Flange Inconel 625 X42,Inconel 625 Caldding Flange. All items arrive with good quality and ideal after-sales solutions. Market-oriented and customer-oriented are what we now have been being immediately after. Sincerely sit up for Win-Win cooperation !
Cladding Flanges,Cladding pipes,Cladding fittings, A694 F42, F52, F60, F65, F70, Inconel® 600/625 & Incoloy® 800/825.
CLAD is a composite technology of metallurgy for two kinds of different metals. We can make overlay welding on most carbon, low alloy, chrome moly, stainless steel and other steels with variety of corrosion resistant alloy including Inconel®, Incoloy®, Monel®, Hastelloy®, stainless steel and hard facing steels. Benefit from our advanced computer controlled welding stations, we offer very low dilution of alloy deposite. Real time video monitoring and recording system ensure perfect tie in and weld path.Why CLADCladding VS Carbon Steel and CRA Steel
|Cladding||Carbon Steel||CRA Steel|
Anti Corrosion +
High Mechanical Property
|High Mechanical Property||Anti Corrosion|
No Additional Corrosion
Heavier, due to lower
|Purchase||Welding Wire in Stock||Easy to Purchase||
Hard to Purchase and
If you consider
long term cost
Zhongzhou Special Steel provides pipeline craft designing and material application recommendations. We have professional welding engineers, well-trained welders, experienced NDT inspectors, welding in-process inspectors, assuring the high quality cladding products.
Cladding Welds Method
- GTAW (TIG) Gas tungsten arc automatic / Manual (Hot and cold wire) welding
- Manual FCAW (MIG) Welding
- Manual SMAW Welding
What We Cladding
Zhongzhou Special Steel owns sets of computer controlled automatic orbit welding stations and integrated automatic weld stations.
- Pipes, pipe fittings, and prefabricated piping spools
- Flanges, blinds, o-lets and nozzle forgings, blocks, tees
- Valve bodys, balls, bonnets, seats and other valve components
- Risers, flow lines, and topside piping components
- Heat exchanger shell and tubesheet
- Hardfacing of wear surface for stabilizers and other drilling equipments
Pipe and Bend Cladding
Pipe base material includes:
- ASTM A53B, A106 Gr. B, API 5L B, X42, X52,X60, X65, X70; A333 GR. 6; Stainless Steel......
- Base pipe thickness: 6mm ~ 75mm
- Pipes nominal bore: 130mm ~ 600mm
- Pipe length: Up to 12.2 meter
- Bending radius: 3D to 8D or on customers` requests
- Processing for clad bends: hot induction bending cladded pipes and cold bending available
Valve, Forging and Fitting Cladding
Bore size range: 38mm~1800mm
Valves base material
- A216 WCB, WCC; A352 LCC... -
Flanges base material
- ASTM A105, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
- ASTM A694 F42, F52, F60, F65, F70
- ASTM A182 F304/304L, F316/316L -
- API 45K, 60K, 75K
- AISI 4130(M), 4140, 4340, 8630(M)
Pipe fittings base material
- ASTM A234 Grade WPB, WPC, WP11, WP22;
- ASTM A420 WPL6
- ASTM A860 WPHY 42, WPHY 52, WPHY 60 WPHY 65, WPHY 70
- ASTM A516 GR. 60 / GR. 70
- Other material on request
Cladding material include
- Stainless steel 304/304L & 316/316L, 904L
- Inconel® 600/625 & Incoloy® 800/825
- Duplex stainless steel SS31803, SS32750, SS32760
- Hastelloy® C276, C22 Monel® K-500, 400
- Other material on request
Zhongzhou Special Steel Quality Assurance
Our experienced and qualified technicians utilize NDT techniques to ensure high quality and reliability of our products during the weld overlay process. Final documents for clients will be issued, including all inspection process recordings and procedures.
- Radiographic inspection - RT
RT test is carried out by 3rd party professional RT testing company at the cost of Zhongzhou Special Steel .
- Dye penetration test- DPI
All components are subjected to penetrate testing prior to overlay deposition and on completed items. Remote video-probe inspection technology is utilized on inspecting internal bore diameters of pipe. We are able to examine inside length of the pipes up to 6.5 Mtr.
- Positive Material Identification – PMI
We utilize the world's best 26-channel portable online PMI device to recheck chemical composition of the base material and cladding layer. The test reports will be completely saved in the computer on PMI device and can be traced. Shanghai Research Institute of Materials and the imported specimen ensure the PMI accuracy.
- Ultrasonic Testing – UT
We utilize the world`s advanced wave and standing wave detector to do the ultrasonic testing on the integrity of the weld overlay layer and the base material to guarantee the cladding quality. Zhongzhou Special Steel strictly comply to the customer`s measuring standards of cladding thickness.
- Magnetic Particle Testing- MT
We utilize fluorescence or visual techniques to test the surface defect on ferromagnetism components after all production phases are completed.
- Visual Test-VT
Using remote video camera techniques and through the outlay screen, we can examine the cladding appearance and record the VT process media. VT process media will be submitted to the customer as part of the quality assurance documentations.
- Clad Layer Thickness Checking
Innovative equipment will be used for the CRA clad layer thickness checking, such as the Inconel 625 layer welded on the carbon steel and low alloy steel. The clad layer of the pipes or bends will be checked continuously to meet customers` requirements.
Nowadays, our own Butt Weld WPS/PQR already covered C.S, Low Alloy High Strength Steel, Austenitic Stainless Steel, Super Austenitic Stainless Steel, Duplex Stainless Steel and Cladding Steels, so we can also provide shop pre-fabrication; Shop hydrostatic testing pressure up to 10,000 PSI;
"The corporation keeps to the operation concept ""scientific management, superior quality and performance primacy, consumer supreme for Cladding Flanges A694 F42 Inconel 625. The product will supply to all over the world, such as: Samoa,Estonia,Bosnia and Herzegovina. We have now more than 10 years exported experience and our solutions have expored more than 30 countries around the word . We always hold the service tenet Client firstQuality first in our mindand are strict with product quality. Welcome your visiting!
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