National Standard Anticorrosive Spiral Steel Tube Operation Essential Knowledge

- Apr 20, 2019-

National standard anticorrosive spiral steel tube operation essential knowledge

When two forces acting on the same object are equal in magnitude and opposite in direction and act on the same straight line, the two forces are a system of equilibrium forces.Needle roller bearing can bear a large radial load, but can not bear the axial load, because the needle roller friction, it is only suitable for low speed occasions.Motor start is divided into full voltage start and reduced pressure start.

Measurement error can be divided into systematic error, random error and gross error.The power equipment of the automatic regulation machine tool includes electric motor and control electric apparatus.A device that ensures that the position of the workpiece determined does not change during the machining process is called a clamping device.Five, cutting plasticity of the larger metal materials, the formation of ribbon cutting groove.Six, steel pipe straightener is the spiral steel pipe after welding, through the twill of the upper and lower two groups of hyperbolic roller body to make its repeated bending and gradually straight equipment.Critical temperature the critical temperature at which a phase transition occurs when a batch of steel is heated or cooled.

Product Description
8 Inch 12Inch SSAW API 5L Spiral Welded Carbon Steel Pipe For Oil and Gas Line
Product Name
Spiral Welded Steel Pipe
Steel Grade
China Standard:10# 20# 45# 16Mn Q235B Q345 Q345B 20G 42CrMo 15CrMo 35# America Standard:ASTM A53 GR.A GR.B GR.3,ASTM A252 GR.1 GR.2 GR.3,ASTM
A106 GR.A GR.B GR.C,ASTM A333,API 5L X42 X46 X52 X60 X65 X70
German Standard: DIN2391/1629 ST37 ST44 ST52 ST52.4
Technique Method
Surface Treatment
1.Black painted
2.3PE/3PP/FBE Corrosion Prevention
Pipe End
Plain ends, Threading, Beveled etc
12m or  customized
1). Petroleum and Chemical industry
2). Transportation of fluids such as water, natural gas, waste and air

Product Details

1.Quality Assurance

Working with big factory,OEM welcome

2.Complete Specifications

Different diameter,
different thickness,
different length as customer's request

3.Timely Delivery
Goods shipped from any port of China,whole container and LCL accepted


Production Line
Product Application
Spiral Welded steel pipe is widely used in different areas:1)Construction pipe,Pilling,
2)Water and gas pipe,
3)Low pressure fluid tube, Oil pipe, etc

Packing & Delivery
1. OD 219mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles
2. Above OD 219mm in bulk or according to customer's opinion

a. Length: ≤5.85m, loaded in 20FT Container, Max 25tons b. Length: ≤12m, loaded in 40 FT Container, Max 26.5tons c. Length: >12m, shipped by bulk vessel. FILO terms d. Delivery time :about 10-30 days after received deposit
Company Profile

Cangzhou Steel Pipe Group (CSPG) Co., Ltd

Cangzhou Steel Pipe Group (CSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China, whose history dates back to 1994. CSPG currently em/paces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSPG occupies an area of 600,000 square meters with a total asset of $530 million.

Specialized in the production of straight welded pipe spiral pipe galvanized pipe 3PE/3PP/FBE/TPEP internal and external epoxy powder internal and external epoxy resin cement mortar two cloth three oil buried pipeline IPN8710 non-toxic drinking water internal and external plastic coated lining plastic and other anti-corrosion pipe fittings for oil and gas pipeline water conservancy projects

Executive standard :DIN30670 DIN30678 CSA Z245 AFNOR nf49-710/711 NACE rp0394/0490 AWWAC 210/C213GB/T9711 API 5L ISO 3183Material: Q235B/Q355BGR A GR B x42-x80 l245-l555


Business scope: 21.3mm-3620mmLSAW submerged arc welded pipe 325-2020mmERW straight welded pipe 6mm-711mmSMLS seamless tube 10-1120mmSSAW spiral steel tube 219-3620mmDemand for quality suppliers and partners

1. How can I get a quotation from you ?
You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager.
And you can also find our contact information on contact page.

2.Can I get samples before order ?
The sample could can provide for customer with free,but the freight will be covered by customer account.The sample freight will be returnned to customer account after we cooperate.

3. what is your delivery time ?
The time of delivery is usually around 1 month(1*40FT as usual).
We can send out in 2 days, if it has stock.

4.What is your payment terms?
Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before shipment or paid against copy of B/L within 5 working days.100% Irrevocable L/C at sight is favorable payment term as well.

5. Can I order in small quantity first ?
Yes. trial orders are welcome.