• Model NO.：spiral pipe
• Transport Package：Bundle
• Specification：API
• Origin：Tianjin
• HS Code：7305190000

Standard: DIN30670,CSA Z245.21,CSA Z245.20, AS1518, AWWA C213Material: Q235, Q275, Q345Specification:DN200--DN2000Wall thickness:Wall thickness: 5mm-60mmSurface treatment:Surface treatment: TPEP,3PE,3PPUsages:Water, gas, air and steam, black steel tubes and pipes are utilized for gas distribution inside and outside the house and for hot water circulation in boiler systems. It is also used for line pipes in oil and petroleum industries, for water wells and for water, gas and sewage purposes. It is not used for potable water or for drain waste or vent lines.Adhesive(um) Min wall thickness of anticorrosive coating(mm) (mm)(mm)two layerthree layerusual gradestrengthen grade≤100 ≥80 
 
 1.82.5250200-400170-2502.02.7250
 
 2.22.9500
 
 2.53.2DN≥800 
 
 3.03.7Company Profile
Quality Inspection
Our Services 
1.Customization is avaliable according to requirements.
2.All production processes are strictly under ISO 9001-2008.
3.Free sample (not contain the cost of freight).
4.Third party inspection (SGS,BV...) is welcomed.
5.Visit factory any time.
6.FOB/ CIF/ CFR/ ERW is accepted. 
Our Main Products 
1.ERW black round pipe (ASTM A53,GB...)
2.Weld black square/rectangular pipe (ASTM A500,GB...)
3.Hot dip galvanized round pipe (BS 138,ASTM A53,GB...)
4.Hot dip galvanized square/rectangular pipe (ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B)
8.Oval pipe in galvanized and black surface
9.LTZ...special sizes pipe
10.Steel prop,steel plank,steel scaffolding pipe and accessories...steel constrctution material
11.Steel angle,flat bar,round bar,sqaure bar
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled&cold rolled steel sheet/coil in black,galvanized,color coated.