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.
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