Strict quality control system and perfect after-sales service system are always our top concern which can guarantee and track the quality of our products from raw materials procurement, production processes, finish products as well as after-sales service.
Test:SGS or Third- party test
Delivery: 5-7days after deposit
It is a steel pipe made of steel plate or strip after crimping forming and welding. It is generally 6 meters in length. Welded steel pipe production process is simple, high production efficiency, variety of specifications, less investment in equipment, but the general strength is lower than seamless steel pipe.
Conventional Parameters |
|
OD |
20-500mm |
Length |
5.8-12m |
Thickness |
0.5-40 mm |
Material |
Q235A,Q235C,Q235B,16Mn,20#,Q345,L245,L290,X42,X46,X60, X80,0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb |
Tolerance |
±0.5% |
Processing Service |
Welding, Punching, Cutting, Bending, Decoiling |
Payment term |
T/T (30% Deposit) |
MOQ |
5Tons |
Packing |
Standard Sea-worthy Packing |
Standard |
AISI,ASTM,DIN,JIS,GB ,JIS,SUS,EN,etc |
Raw material uncoiling -- leveling -- end cutting and welding -- lobbing -- forming -- welding -- internal and external bead removal -- pre-correction -- induction heat treatment -- sizing and straightening -- eddy current testing -- cutting -- water pressure inspection -- pickling -- final inspection (strict control) -- packaging -- shipment.
Simple production process
high production efficiency
low cost
Fast development
The products are widely used in tap water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, is one of the twenty key products developed in China.
For liquid transportation: water supply, drainage. For gas transportation: gas, steam, liquefied petroleum gas.
For structural use: for piling pipes, Bridges; Pipe for wharf, road, building structure, etc.