JIANGSU HAOHUA INDUSTRY GROUP

 
Seamless rolled rings and forged steel rings

Delivery Standards & sizes:
 
OD from 180mm to 6000mm and more
Face height up to  1500mm
According to ASTM/ASME
Main use:
Pressure vessel and heat exchanger manufacturing
Slewing rings
Wind tower flanges
Heat exchanger manufacturing
Machine construction, forged sleeves
Oilfield equipment
Valve manufacturing
Forged seamless rings up to 2000mm OD and 500mm face height can be manufactured contoured rolled /profiled to save material and machining costs.
 
Materials:
High yield steels, carbon steels, stainless steels, duplex

steels, alloy steels, nickel alloy
steels,
non-ferrous materials, Aluminum and Titanium.
 
All seamless rolled rings can be supplied with weld overlay inclusive Titanium, accordingt o your specifications

Recent deliveries and projects
 
 
Rabigh II project flanges and nozzles
SA182 F11 and SA105 flanges for Rabigh II project, Saudi Aramco Petro Rabigh extension. Contractor Technip Stone & Webster Proc. Technology.
 
Flanges and nozzles in SA350LF2 for TUPRAS
WN, LWN and Nozzle flanges for pressure vessel construction to TÜPRAS / Turkish Petroleum Refineries Co..
 
SA182 F321 forged pipes and high pressure flanges Kemper project
Forged pipes, flanges and nozzles in SA F321 and SA105 for outlet header superheaters.
 
Flanges SA350 LF2 for Chevron Cardon 3
Standard and specials flanges in SA350 LF2 for Chevron Cardon 3 block Venezuela.
 
Tube sheets, flanges, nozzles for OJSC NAFTAN Refinery in Belorussia
Finished machined tube sheets, flanges, nozzles in SA336 F5, SA 266 Gr.2 and SA350 LF2 for heat exchanger manufacturing.
 
Integral nozzles in SA182 F51
Forged nozzles in F51 duplex steel for Foster Wheeler / Sasol FT Wax Epansion Project in South Africa.
 
Forged rings in 17-4PH for turbomachinery
Pre-machined rings acc. to customer specification in 17-4PH/X5CrNiCuNb16-4 for construction of turbo compressors.
 
Tubes sheets A182 F304L
Finished machined and drilled tube sheets in A182 F304L including Huey test following Bayer Technology Services specification.
 
SA350 LF2 CL1 WN and LWN Flanges
LWN Flanges 30" acc. drawing and 24" WN in SA350 LF2 for pressure vessels used in Fluxys Gas Compression Station.
 
Tube Sheets and Girth Flanges SA266 Cl4
Forged and finish machined and drilled cover flanges, girth flanges and tube sheets in SA266 Cl4 for heat exchanger manufacturing Sasol / South Africa including third party inspection by BV.
 
Explosion cladded plates SA516 Gr.70N +A240 316L for Aseng FPSO
Eplosion cladded plates for pressure vessel construction used in offshore application.
 
Forged round bars in AISI 4140 / 42CrMo4
150 tons of forged round bars AISI410 for sugar mill upgrade. Material with German origin.
 
Forged Tube Sheet, seamless Rings and Flanges SA182 F51 and SA105
Duplex F51 forgings according to BASF specification for BASF-YPC.
 
Forged Nozzles in SA 336 F11 Cl.3 and SA105
Nozzles with chemical restrictions for end use in Sasol's Secunda complex in South Africa.
 
Tubes sheets in SA 336 F1,Forged Nozzels in SA105
Forged Inlet and Outlet Tube sheets / nozzle flanges for end use in Takreer owned Ruwais Refinery.
 
Forged Flanges, Fittings SA350 LF2 Cl1
Forged connecting pieces, flanges and fittings for process equipment used at Petroleos de Venezuela S.A. / Maraven and Punta Cardón Refinery.
 
Forged Nozzles in SA 336 F1
Forgings according to drawing for pressure vessel manufacturing. F1 material with analysis limitation Cequ. < 0,45
 
Cu Ni 70/30 discs acc. ASTM B171 UNS No. 71500
Supply of copper alloy heat exchanger tube sheets according ASTM B171 UNS 71500 with thickness of 200mm.
 
Forged Nozzles, rings, discs & round bars in SA 105 and SA 336 F11
Forgings according to drawing for industrial and power plant service provider in Germany, manufactured in finished machined condition with 4 week production time.
 
LWN Flanges, forged necks and discs in SA 105N and SA182 F316L
Delivery of LWN flanges, forged necks and tube sheets according drawing in A105, A350 LF2 Cl1 and F316L. Manufactured in 20 days only for 3-Phase Separator & Deoiling Hydrocyclone LKU-F / PTT SIAM LTD.
 
Nozzles and rings in SA182 F12 Cl2 and A182 F321
WN and LWN flanges, nozzles, manholes, bushes and rings according drawing in SA182 F12 Cl2 / SA 336 F12 and SA182 F321 for AOFP project / Mutsubishi Heavy Industries.
 
Profiled rolled rings in AISI4130
Seamless rolled rings with close net shapes for machine building purpose. Delivery to Western Europe, keeping of tight delivery schedule and zero-defect finish machining of all pieces.
 
Discs and rings in 317L / SA266 Gr.4 for Cubatao project
Delivery of rings and discs in A182 317 and SA266 Gr.4 with sizes up to 1800mm OD and special requirements like HIC testing. Fabricated in 60 days only.
 
F12 and F11 forgings for Nynaes project
Delivery of flanges, nozzles and tube sheets in SA182 F11 Cl.2 and SA182 F12 including third party inspection
to achieve 3.2 certification.

Nozzles and flanges in SA336 F11 Cl.3 / A182 F1
Delivery of above mentioned material grades, forged and finish machined according to drawings for end use in process equipment for
 
The strict use of high quality raw material is guaranteed and proved by raw material certificate with each delivery.