Sophisticated High-strength Seamless Steel Tube for Drilling
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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 |
Normalized |
≥600Mpa |
≥800Mpa |
≥14% |
2401.12m |
|
30CrMnSiA |
Quenching and Tempering |
≥800Mpa |
≥900Mpa |
≥14% |
2212.88m |
|
KWK850 |
Quenching and Tempering |
≥850Mpa |
≥950Mpa |
≥14% |
2706.68m |
Straightness:0.25mm/1000mm, 0.5mm/1000mm.
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