Industrial Black Iron Steel Pipe

Product Name Double-faced Spiral Arc Merged Welded Steel Pip
Size 159--3020mm in Theory
Thickness 4--25mm in Theory
Length Usually 6~12 Meters, 20 Meters Max in Theory
Standard SY/T5037 SY/T5040 GB/T9711 API5L EN10208 ASTM
Material Q235,Q345,S245,S290,S320,S360,S390,S415,S450
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Product Details

Product Details


Brief Introduction


Product Name

                                   Double-faced Spiral Arc Merged Welded Steel Pipe


Size

OD

159--3020mm in Theory

Thickness

4--25mm in Theory


Length

Usually 6~12 Meters, 20 Meters Max in Theory


Standard

SY/T5037  SY/T5040  GB/T9711  API5L  EN10208  ASTM A252  JISA5525


Material

Chinese Grade

Q235,Q345,S245,S290,S320,S360,S390,S415,S450

Foreign Grade

ASTM

Grade A,Grade B,X42,X46,X52,X56,X60,X65,X70

EN

S185,S235JR,S235JO,E335,S355JR,S355JO

L245,L290,L320,L360,L390,L415,L450


Usage

Used For Water, Sewage, Gas, Stream, Combustible Fluids(Petroleum and Gas)


Ends

Beveled (Can be Protected By Plastic Caps or Steel Rings According to Your Requirements)Also We Can Weld Flanges on the Pipe Ends Plain Ends


Surface

Bared Or Paint With Oil, Bitumen,1-3 layer PE


Inspection

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,

Dimensional and Visual Inspection, Also With Nondestructive Inspection


Technique

Hot Rolled and SSAW or DSAW


Package

Package With Steel Strip When O.D≤273MM, Otherwise In Bulk.


Date of Delivery

According to The Specifications And the Quantities,

Time Begin When We confirm the Date of the Earnest or L/C


Method of Payment

T/T    L/C   West Union


Method Of Delivery

Terms According To the <INCOTERMS 2000> for International Trading,


Others

N/A



Production process editor


(1) Industrial Black Iron Steel Pipe  raw materials are strip steel coil, welding wire and flux.Before being put into operation, it must pass strict physical and chemical inspection.


(2) Industrial Black Iron Steel Pipe single wire or double wire submerged arc welding shall be adopted for butt joint of strip head and tail, and automatic submerged arc welding shall be adopted for repair welding after rolled into steel tubes.


(3) Industrial Black Iron Steel Pipe before forming, the strip is straightened, cut and planed, and the surface is cleaned, transported and bent.


(4) Industrial Black Iron Steel Pipe the electric contact pressure gauge is used to control the pressure of pressing down the oil cylinder on both sides of the conveyor to ensure the smooth conveying of the strip steel.


(5) Industrial Black Iron Steel Pipe adopt external control or internal control roller forming.(6) the welding seam clearance control device is adopted to ensure that the welding seam clearance meets the welding requirements. The pipe diameter, amount of offset and the welding seam clearance are strictly controlled.


Products Show
Our Company

Factory

Our Factory

Workshop

Our Workshop

Warehouse

Our Warehouse

Team

Our Team

Packing & Delivery

Packing Details  : packing in bundle, plastic bags or according to client request

Delivery Details :  we always have regular size in stock  , if need production, usually 7-25 days depends on quantity

1. in bundle packaging
2. packed in plastic bags
3. container loading
Our Certifications


Customer Photo



 We are in Dubai exhibition.  we got some very good orders from this exhibition and get good relationship with clients abroad



FAQ

Q: Are you mercantilism company or manufacturer ?

A: we have a tendency to are manufacturing plant


Q: however long is your delivery time?

A: usually it's 5-10 days if the products are available. or it's 15-20 days if the products don't seem to be available, it's in line with amount.


Q: does one offer samples ? is it free or further ?

A: Yes, we have a tendency to may provide the sample for gratis charge however don't pay the price of freight.


Q: what's your terms of payment ?

A: Payment=1000USD, half-hour T/T earlier ,balance before shippment.




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