We offer welding, soldering, strip cladding based on the following licenses:

the company's licenses:

• The certificate of the Welding Institute in Gliwice (Instytut Spawalnictwa w Gliwicach) qualifying the Diament Oil Exploration Ltd. to the first Group of Small Institutes in terms of construction, assembly and repairs of steel constructions.
• UDT license for repairs and modernization of technological inflammable and corrosive materials tanks and installations.
• Established welding technologies for 111, 135 and 141 methods.

the welding staff are qualified in the following methods:

• 111 - manual metal arc welding (MMA)
• 135 - metal active gas welding (MAG)
• 141 - tungsten inert gas welding (TIG)
• 311 - Oxy-Acetylene welding
• in accordance with the PN-EN 287-1 and EN-ISO 9606-2 norms
• for material groups; 1.2 ; 8.1 ; 22 according to EN 15608

Welding supervision and quality control personnel qualifications

• Welding supervision personnel are International Welding Engineer/European Welding Engineer certified.
• Non-invasive probing personnel are certified in accordance with PN-EN 473:2002 norm and is certified by TÜV - CERT, UDT - CERT and The Welding Institute (Instytut Spawalnictwa) for UT2, MT2, PT2 and VT2 methods.

We offer:

• Welded completely reinforced open containers sized 2500 x 2500 x 13500 mm and of total weight up to 20 tonnes - e.g. pill tanks
• Welded heavy steel constructions - based on customer's detailed design documentation with single element's weight not exceeding 20 tonnes, - e.g. derrick's bases
• Welded light steel constructions based on customer's detailed design documentation e.g. gas discharge stacks, degassers
• Welded pipework technological installations from DN25 to DN500 mm, wall thickness from 3,2 to 12 mm and working pressure up to 70MPa
• Welding of hard-welding materials (34HNM) and with dissimilar joints (34HNM with 18G2A) using thermal processing of the welded connections before and after the welding
• Soldering HF2001-3/8”x3/8”x1/4” tungsten carbide plates using leaf mills for casing milling
• Rebuilding and hard surfacing of layers on surfaces exposed to attrition, e.g. with Elgaloy 30 and 60, and CastoMag 45554 materials.
• Soldering on drilling tools of regular and irregular (Scharkstooth) tungsten carbide plates with flux covered Nikel Bronze solder.

Leonard Krystians
Welding Specialist
tel.: +48 68 3295 584
fax: +48 68 3295 452
e-mail:lkrystians@pn-diament.com.pl