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


Packaging & Shipping
1.Port: TIANJIN
2.Payment Terms: L/C,T/T
3.Delivery: 15-45 days after deposit or according to customers' quantity.
4.Packing: 1.Big OD: in bulk  2.Small OD: packed by steel strips  3.woven cloth with 7 slats
                4.plastic bags  5.as per customer's option 
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.