Heavy Wall Seamless Steel Tube ASTM A519

Instruction

Heavy Wall Seamless Steel Tube ASTM A519

Size:OD 0.5-15mm, WT4.0-80 mm

Tolerance: Outer Diameter: +/- 0.05mm

Thickness: +/- 0.05mm OR as Customer Request

Length max 12000mm

Cutting Length available.

Max length 5.8 for 20ft container

Max length 11.8m for 40ft container

 

Technical Standard: 

ASTM A519, ASTM A513

 

Steel Grade:

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

 

Production Process: 

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

 

 

 

Applications 

1: Heavy machinery spare part

2: For Screw Air Compressor

3: For machinery

4: Automobile spare parts

 

Main Features:
High precision,

Excellent brightness,

No oxidization scale,

High cleanness inner surface,

Flushing the inner diameter,

Anti-rust oil protection,

Total impurity≤1.5mg/m, maximum granule 8 degree(≤0.2mm),

Withstand high pressure,

No deformation after cold bending,

The complicated geometrical forming and machining can be realized,

Colour of tubes: Grey with white/

The tolerances can be ID ±0.05mm

Quality inner surface: Grade Q , working pressure 2000 kilos, max testing pressure 6000 kilos without deforming

180 degree bending without crack