Henan Shenlong Petroleum Drilling Tools Co.,Ltd

Non-magnetic drill collar
AISI 4145H
4330
Others

4330

Producing process of 4330V material and capacity

1. Steel Making
1.1 Steel Making Process
Electric Arc Furnace Melting + LF Refining Furnace + Vacuum Degassing
2.1 Capcity
22Tons/Furnace, total: 2 Furnaces. (Outsourcing)
25000Tons/Year

2. Forging
2.1 Equipment
2500 Tons hydraulic press forging machine with 20 Tons, 45 Tons * meter forging manipulator;
800 Tons hydraulic press forging machine with 5 Tons forging manipulator;
8 Tons electric-hydraulic hammer with 10 Tons forging manipulator;
2 Tons electric-hydraulic hammer with 1 Tons forging manipulator;
6 Meters and 8 Meters gas heating furnace;
8 Meters, 10 Meters and 12 Meters annealing furnace
2.2 Capacity
15000 Tons/Year

3. Heat Treatment
3.1 Equipment
10 Meters Pit-Type heat treatment furnace;
6 Meters Car-Type heat treatment furnace;
Intermediate-Frequency continuous heat treatment furnace
3.2 Capacity
13000 Tons/Year
3.3 Heat Treatment Process
Normalizing + Quenching & Tempering
3.4 4330V material Heat Treatment
For OD under 9”, we use Intermediate-Frequency continuous heat treatment furnace
For OD larger than 9”, we use Pit-Type heat treatment furnace

4. Machining
4.1 Equipment
16 Meters horizontal lathe
Deep hole boring machine
CNC thread machine
4.2 Capacity
13000 Tons/Year

-> Total:0          1/0 Previous Page Next  
 

Non-magnetic Drill collar      Drill collar

Copyright 2007 Henan Shenlong Petroleum Drilling Tools Inc. All rights reserved. NO.ICP [06010557]