High Strength Drill Stem For Mining Equipment
The High Strength Drill Stem For Mining Equipment is mainly made from high strength 4330VMOD material.

Mechanical behavior:
|
tensile strength |
≥ 1033Mpa ( T) ≥ 1033Mpa(L) |
|
Yield Strength |
≥ 964Mpa ( T) ≥ 964Mpa(L) |
|
Elongation |
≥ 10.7% ( T) ≥ 15% (L) |
|
Impact energy |
≥ 90J(T) ≥ 50J(L) |
|
Face shrink |
≥ 32% ( T) ≥ 45% (L) |
| hardness | 320-360HB |
Wear-resistant High Speed Mining Drill Stem
The Wear-resistant High Speed Mining Drill Stem is mainly used for Raise Boring which use high strength AISI4330VMOD for raw material.

Mechanical behavior:
|
tensile strength |
≥ 1033Mpa ( T) ≥ 1033Mpa(L) |
|
Yield Strength |
≥ 964Mpa ( T) ≥ 964Mpa(L) |
|
Elongation |
≥ 10.7% ( T) ≥ 15% (L) |
|
Impact energy |
≥ 90J(T) ≥ 50J(L) |
|
Face shrink |
≥ 32% ( T) ≥ 45% (L) |
|
hardness |
320-360HB |


What makes a seamless square tube the preferred solution for heavy-duty structural applications?
Posted: Jul 09, 2026
Seamless steel tube square conversion: process, advantages, and applications
Posted: Jul 08, 2026
Low-carbon steel rectangular tube manufacturer, supplier, and stocker; leading manufacturer and supplier of low-carbon steel rectangular tubes
Posted: Jul 01, 2026
Leading Manufacturer and Supplier of Low Carbon Steel Square Tubes
Posted: Jul 06, 2026
Continental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.