Certifications and Materials

Materials

Material designation (e.g.) Material group Material number
S 355J2G3 1.2 1.0570
L 485MB 2 1.8977
X6CrNiMo 17-12-2 8 1.4571
X6CrNiTi 18 10 with P235 Tr 1 8/1.1 1.4541/1.0254
We comply with the following welding standards:
   
Welding coordination DIN EN ISO 14731
Welding procedure test DIN EN ISO 15614-1
Welding procedure specification DIN EN ISO 15609-1
Testing of welders / welding personnel DIN EN ISO 9606
Joint preparation DIN EN ISO 9692-1,-2
Welding processes DIN EN ISO 4063
Welding consumables DIN EN ISO 14341 / 17632
Shielding gases DIN EN ISO 14175
Quality requirements for welding DIN EN ISO 3834-3
Authorisation for restamping with certificates
DNV GL DIN EN 10204 certification UG 0212 HH
The following non-destructive tests can be performed in-house:
   
NDT personnel DIN EN ISO 473 (9712)
Magnetic particle testing DIN EN ISO 17638
Penetrant testing DIN EN 571-1
Radiographic testing DIN EN 1435
Visual testing DIN EN ISO 17637
Other tests are carried out with the assistance of third-party providers.

Certifications

Test certifications
Welder qualification tests according to DIN EN 287-1
Welding procedure tests according to DIN EN ISO 15614-1
Welding certifications
DIN EN ISO 3834-3 Quality requirements for fusion welding of metallic materials
AD 2000 Bulletin HP 0
PED Directive 2014/68/EU Pressure Equipment Directive Category II piping, Module A1
GL-Code I/1/2-Section 11 Welding of piping and machine installations, Classes I through III, of seagoing vessels
EN 1090-2 Up to and including EXC3
Certified welding processes in accordance with DIN EN ISO 4063
121 UP Submerged-arc welding with solid wire electrode
131 MIG Metal inert gas welding with solid wire electrode
135 MAG Metal active gas welding with solid wire electrode
136 MAG Metal active gas welding with flux-cored wire electrode
138 MAG Metal active gas welding with metal-cored wire electrode
141 WIG Tungsten inert gas welding with solid wire electrode
135/138   Metal active gas welding with solid wire electrode / Metal active gas welding with metal-cored wire electrode
135/121   Metal active gas welding with solid wire electrode/Submerged-arc welding with solid wire electrode
141/138   Tungsten inert gas welding with solid wire electrode/Metal active gas welding with metal-cored wire electrode
International certificates - Russia
GOST-R Certificate Documentation of conformity of DN 25-500, PN 10-400 piping with corresponding Russian standards
Rostechnadzor Certification for use in Russian mines