Product Name:

heat exchanger stainless steel coil tube and coil spring manufacturing process ;

Size:

OD

6-168mm(welded)  ; 3-15mm(cold drawn) ,

Wall Thickness

0.2-1.0mm(welded) ; 0.3-1.0mm(cold drawn)

Length

0.1--6.5M

Steel material

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235→GradeD,SS400,S235JR,S235JO,S235J2, ST33,A53,

Standard

BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BS EN10217, BS 1387-1985 

DIN 1026, DIN 1629/3

GB/T13793-1992,GB/T14291-2006,GB/T3091-2001,GB/T3092-12001,GB3640-88

Usage

Used For Structure, Accessorize And Construction

Ends

1) Plain ,

2) Beveled

3) Thread with Coupling or cap

End protector

1)    Plastic pipe cap

2)    Iron protector

Surface Treatment

1)    Bared

2)    Black Painted (varnish coating)

3)    Galvanized

4)    With Oiled

5)    3 PE, FBE, corrosion resistant coating

Technique

Electronic Resistance Welded (ERW )

Cole drawn

Type

Welded

Welded Line Type

Longitudinal

Section Shape

Round , square,rectangular

Inspection

With Hydraulic Testing, Eddy Current , Infrared Test

Package

1) Bundle,

2) In Bulk

3) Bags

4) Clients' Requirements

Delivery

1)    Container

2)    Bulk carrier

Port of Shipment

Ningbo,Zhejiang,China OR Shanghai,China

Date of Delivery

According the Quantity

Payment

L/C, T/T, Western Union

Others

Fitting as screws and flange also can be supplied.