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other accessories

  • Round drill rods
  • Round drill rods
  • Round drill rods
  • Round drill rods
Round drill rodsRound drill rodsRound drill rodsRound drill rods

Round drill rods

  • Drilling Equipment
  • 8.5-12.5m
  • 42MnMo7
  • Stainless Steel
  • Product description: 1. Drill rods for core drilling:Surface core ,Diamond wire core 2. Drill rods for Geological prospecting: Geology,Metallurgy,Coal,Oil,gas,Groundwater
  • INQUIRY

Hydrogeological:GSHP ( Ground Source Heat Pump ),Well drilling,Hot spring

Engineering Investigation:Highway,Railway,Tunnel,Expy,The subway.Survey

Tunnel support:Tunnel pipe roof support,Building foundation pit support,Deep 5 foundation pit,Pile foundation construction.

Reinforcement:Geological hazard control,Slope nursing,Dam reinforcement,Water blocking project.

Pipe drilling, Non excavation,Rope core

1. Chemical Composition(%)

Material Grade C Si Mn P S Mo V B
45MnB HW-DZ40 0.42-0.49 0.20-0.40 1.10-1.40 ≤0.040 ≤0.040 / / 0.001-0.0035
50Mn 0.48-0.56 0.17-0.37 0.70-1.00 ≤0.040 ≤0.040 / / /
40Mn2 HW-DZ50 0.37-0.44 0.20-0.40 1.40-1.80 ≤0.040 ≤0.040 / / /
40Mn2Si 0.37-0.45 0.40-0.70 1.30-1.80 ≤0.040 ≤0.040 / / /
45MnMoB HW-DZ60 0.41-0.49 0.17-0.37 0.90-1.20 ≤0.040 ≤0.040 0.20-0.30 / 0.001-0.005

2. Grade

Grade C Si Mn Mo P S Cu Cr Ni
STM-R780 0.38-0.45 0.15-0.35 1.55-1.85 0.15-0.25 ≤0.025 ≤0.020 ≤0.020 ≤0.30 ≤0.30




Mechanical-Properties

Grade Yield strength Tensile strength Elongation
DZ40 min 375 640 15
DZ50 min 495 692 14
DZ60 min 594 780 14
R780 min 535 792 16

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Contact: Mr.Wang

Phone: 0086-15853783389

Tel: 0086-15853783389

Email: sales@hengwanggk.com

Add: Floor 24 Block C,Haineng Internal No.6 Jinyu Road, Rencheng Zone Jining City Shandong Province

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