As part of Lone Star PRD Group, Lone Star Romania has access to market leading manufacturing plants for bolting and machined components, in addition to their own studbolt manufacturing facility.
Hot Forging
Capacity consists of six vertical forging presses with a manufacturing range of up to 100mm (4 in) diameter, with modern induction heating. In-house tool making facilities enable the production of standard and special head forms on short lead times.
CNC Machining
Continual investment has resulted in a comprehensive CNC machining capacity manufacturing products in all materials up to 300 mm (12”) diameter.
Production Processes
Additional Group processes include:
Single point screw cutting |
Grinding |
Tapping |
Turning |
Thread Rolling |
Broaching |
Drilling |
Milling |
Spark Eroding |
Materials Used at Manufacturing
- Alloy Steel (170ksi – 36-43 Rc)
- Stainless Steel ASTM A 193 B7, L7, B16, B8 304, B8M 316
- ASTM A 437, B4B
- ASTM A 453, 660 A & B
- Stainless Steel AISI 422
- Nickel Based Alloys: INCONEL TM 718, INCOLLOY, MONEL, NIMONIC TM 80A, HASTELLOY
- DUREHETE TM 900 (T22), 950 (T31), 1055 (T41)
- JEHETE TM.
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