Manufacturing process:

Studs are fully automatically welded onto the tube by resistance welding.

 

Acceptance criteria

Approved drawings and the delivery conditions (TDC) of clients.

 

Delivery condition

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of extruded bimetallic fin tube.

 

Surface Protection

Oil dip, black coating or varnish.

 

Type of Studs

Cylindrical or elliptical

 

Documentation

It shall include raw materials mill certificates, inspection and test samples results and warranty certificate of manufacturer.

 

Applications:

Furnace

Chemical

Petrochemical industry

Power station etc.

 

Specifications:

Items	General Materials	Popular ASTM /ASME Materials
Core Tube Material	Carbon Steel   Alloy Steel  Heat  Resistant Steel,  Stainless Steel	1. Carbon Steel: A106 Gr. B 2. Stainless Steel: TP304/304L,TP316/TP316L, TP347 3. Alloy Steel: P5,T5,P9,T9,T11,T22
Studs Material	Carbon Steel   Stainless Steel	1. Carbon Steel  2. Stainless Steel: TP409/410,TP304/304L,TP316/TP316L, TP321/TP321L

 

Dimensions Data Sheet We're Supplying:

General Descriptions of Studded tubes	Popular Specifications we make
Tube OD(mm)	OD38mm~OD219mm
Tube Wall Thickness(mm)	4mm~15mm
Tube Length(mm)	16,000mm Max.
Studs OD(mm)	OD6mm~OD16mm
Studs Height(mm)	10mm~45mm