Sophisticated High-strength Seamless Steel Tube
Product Description
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.