High intension Hot Rolled Hexagonal Steel Bar Hollow Drill Rod hex 22mm 28mm

High intension and toughness of hex 28mm used for Perforated Hexagonal Hollow Steel Tubes Pipe & Hexagonal Drilling rod

High intension and toughness hex 22mm hex 28mm used for Perforated Hexagonal Hollow Steel Tubes Pipes & Hexagonal Drill Rod 


Products details: 

A type of steel specially used in drill rod in quarry drilling, high intension and toughness.   

Material:

95CrMo (same as SANDBAR 20 or C253)

Specifications: 

Hexagon and round

Size: hex. 22mm, hex. 25mm, hex. 28mm, hex. 32mm, hex. 38mm,

Round: Dia.32mm, 35mm, 38mm, 51mm  

Length: any length according to your require.   

Package: Wrapped with plastic knitting and then into bundles.
 

The main size and specifications as below:  

Hot Rolled Hexagonal Hollow Drill Steel Bar    

Steel Grade: 95CrMo as per Chinese Standard with following chemistry:   

C: 0.92-1.03PCT;     Si: 0.25-0.45PCT;  

Mn: 0.25-0.45PCT;    Cr: 0.80-1.20PCT;

Ni: 0.25PCT MAX.;    Mo: 0.20-0.30PCT;

S,P: 0.025PCT MAX;  Cu: 0.30PCT MAX.

 

Features: 

Physical Specification

σb                    1320Mpa

δs                     9%

Ψ                      25.5%

σ-1                    350Mpa

Hardness:  36-48HRC.