Production Method:

Heavy wall steel tube is usually produced by seamless steel tube production method, which can be by cold drawn or hot rolled manufacturing process.

Usually heavy wall steel tube is based on technical standard ASTM A519.

TORICH manufacturing and Supply Capability for Size:

OD 0.5-15mm, WT4.0-80 mm

Tolerance: Outer Diameter: +/- 0.05mm

Thickness: +/- 0.05mm OR as Customer Request with mutual agreement.

Length max 12000mm

Cutting Length available, to specified length by customer's request.

Max length 5.8 for 20ft container

Max length 11.8m for 40ft container

Steel Grade available:

SAE1010, SAE1020, SAE1045, SAE1026, SAE4130, SAE4140 etc

Production Process for Heavy wall steel tube:

Round Steel Billet →

Hot Piercing →

Hollow Section Tubes  →

Pickling/Lubrication →

Cold Drawing  →

Heat Treatment Annealing/Bright Annealing → (Repeat)

Cold Drawing → (Repeat)  to final dimension and tolerances

Final Heat Treatment of Annealing/Bright Annealing

Heavy Wall Steel tube are usually used in the following scop

1: Heavy machinery spare part

2: For Screw Air Compressor

3: For machinery

4: Automobile spare parts

Main Features for TORICH Heavy Wall Steel Tube:

High precision for both OD and ID

Good Concentricity,

Good Roundness for easy machining,

Good average Wall thickness for successful turning,

Excellent brightness,

No oxidization scale,

High cleanness inner surface,