kwk steel co., ltd
Sophisticated High-strength Seamless Steel Tube for Drilling
Sophisticated High-strength Seamless Steel Tube for Drilling

KWK STEEL FEATURED PRODUCT

 

Sophisticated High-strength Seamless Steel Tube for Drilling.

 

Application: Wire-line coring drilling rod, geology prospecting, drilling machine, etc.

 

Size Range: OD 33-95mm, WT 2-10mm.

 

Steel Grade: 45MnMoB, 30CrMnSiA, KWK850.

 

Mechanical Properties:

 

Grade

Delivery condition

Yield Point

Tensile Strength

Elongation

Drilling Depth Record

45MnMoB

Quenching and Tempering

≥750Mpa

≥920Mpa

≥12%

2401.12m

30CrMnSiA

Quenching and Tempering

≥885Mpa

≥1080Mpa

≥10%

2212.88m

KWK850

Quenching and Tempering

≥950Mpa

≥1020Mpa

≥16%

2706.68m

 

Straightness:0.25mm/1000mm, 0.5mm/1000mm.