Tianjin Huilitong Steel Pipe in China specialized in manufacturing Long Electric Welded ERW and SSAW Spiral Welded Pipes over 15 years.
Certification:
API 5L(License Number:0654)
ISO9001-2008,ISO 14001
LR Lloyd's Register-Certificate of Conformity of Factory Production Control EN10219-1/2,EN10210-1/2
LR Lloyd's Register-Certificate Schedule PED 97/23
EN10217-1,API 5L,ISO 3183
All materials are supplied with inspection certificates according to EN 10204 3.1 or 3.2 and/or Third Party Body if requested by the customer.
Steel Pipe Products
Electric Resistance Welded Steel Pipe (ERW)
Longitudinal weld ERW/HFW Pipes:
ASTM A53 GR.B,API 5L PSL1/PSL2 B/X42/X52/X60/X70
EN10219 S355JR/S355J0H/S355J2H/EN10217 P235GH
AS/NZS 1163 C350L0/ASTM A522 GR.3
SABS 719 GR.B/GR.C
114 mm - 610 mm diameter range
Wall thickness: 4,5 mm - 15,88mm
Lengths
9.144 meters (30 Feet)
12.192 meters(40 Feet)
18.288 meters (60 Feet)
Other lengths available on request
Spiral Welded Pipe
Submerge arc-welding (SAW) process
Spiral seam-welded large-diameter pipes(SSAW):
Standard:
ASTM A572 Gr.50,ASTM A252 GR.2/GR.3
API 5L PSL1/PSL2 B/X42/X52/X60/X70
EN10219 S355JR/S355J0H/S355J2H/EN10217 P235GH
219mm - 2540mm diameter range
Wall thickness: 6,0 mm - 25,4mm
Length 6M ~ 40M
Longitudinal welded pipes for structural applications
• Size range from diam. 610 mm to diam.1219 mm.
• Quality: S275J0H /S355JR,S355J0H / S355J2H
• Standards: EN 10219 1-2
Anti corrosion systems are applied after surface preparation and rope protection for transport.
Coatings and Linings
External coatings
Fusion Bonded Epoxy Coating
Three Layer Polyethylene (3LPE) and Polypropylene (3LPP)
Liquid Epoxy Coating
Internal Linings
Liquid Epoxy Lining
We comply with CAN / CSA Standards Z245.21, DIN 30670,CAN / CSA Z245.20, AWWA C213 ,AWWA C210
Liquid Epoxy in accordance with AWWA C210
Fusion Bonded Epoxy in accordance with AWWA C213
