Material groups
Names and group relationships.
OpenMaterials and welding technology
WeldExp Knowledge Base
Concepts, notes and professional summaries that help interpret database records.
Tabular technical references
The Knowledge Base provides conceptual, notation and standards-related guidance for interpreting WeldExp database records. It uses public data views and permitted master-data sources where they may be published.
WNr classification
Main material-number groups.
OpenWelding-consumable types
Welding consumable and flux concepts.
OpenElectrode types
Hungarian–English type names.
OpenElectrode sizes
Welding-consumable sizes in millimetres and inches.
OpenWelding processes
Main processes from EN ISO 4063.
OpenWelding gases
Main gas groups from EN ISO 14175.
OpenStandards
Base-material and welding-consumable standards.
OpenMaterial-condition categories
Simple, non-composite condition categories and symbols.
Go to tableMaterial classes
Main database material classes in Hungarian and English.
Go to tableProcess–type relationships
Welding-consumable types usable with welding processes.
Go to tableSemi-finished products
Publishable semi-finished product codes and groups.
Go to tableSemi-finished product–standard relationships
Semi-finished product types assigned to standards.
Go to tableManufacturers
Active manufacturer master data and catalogue metadata.
Go to tableWelding positions
Position groups and PA–PJ mappings.
Go to tableCooling methods
Active cooling methods and their English names.
Go to tableMaterial characteristics
Mechanical, composition, welding-technology, electrical and thermal characteristics.
Go to tableAdditional searchable WeldExp tables
Condition categories are displayed from a public data view containing only non-composite categories; the other blocks use permitted master data. Detailed size and relevance data areas are outside this Knowledge Base scope.
Table Viewer
Material condition categories
| Code | Symbol | Name | English name |
|---|---|---|---|
| AC | +AC | Lágyítás és hidegen húzás | Annealed and Cold Drawn |
| ASR | +AR | Hengerelt állapot (+AR) | As rolled condition (+AR) |
| AU | AU | Ausztenitesítés | Austenitizing |
| BAA | BA | Adagolt / dobozos lágyítás | Batch annealed / box annealed |
| CA | CA | Öntött állapot | As-cast condition |
| CAC | CAC | Folyamatos öntés | Continuous casting |
| CACF | CACF | Centrifugális öntés | Centrifugal casting |
| CAG | CAG | Gravitációs / kokillaöntés | Gravity / permanent mould casting |
| CAK | CAK | Kokillaöntés, gravitációs | Permanent mould casting, gravity |
| CAP | CAP | Nyomásos öntés | Pressure die casting |
Number of results: 64
Table Viewer
Material classes
| Code | Material class | Material class in English |
|---|---|---|
| AC | Acélok és acélöntvények | Steels and casting steels |
| AL | Alumínium és ötvözetei | Aluminium and aluminium alloys |
| CO | Kobalt és ötvözetei | Cobalt and their alloys |
| CU | Réz és ötvözetei | Copper and copper alloys |
| MG | Magnézium és ötvözetei | Magnesium and magnesium alloys |
| NI | Nikkel és ötvözetei | Nickel and nickel alloys |
| OV | Öntöttvasak | Cast irons |
| TI | Titán és ötvözetei | Titan and Titan alloys |
| TK | Titán, kobalt és ötvözetei | Titanium, cobalt and their alloys |
| VE | Vegyes anyagok csoportja | Different material groups |
Number of results: 10
Table Viewer
Process–welding consumable type relationships
| REJ | Welding consumable type | Note |
|---|---|---|
| E | S | Bevont elektródás kézi ívhegesztés: bevont elektróda |
| FA | C | Aktív védőgázas porbeles huzalos eljárás |
| FI | C | Semleges védőgázas porbeles huzalos eljárás |
| G | W | MIG/MAG: huzalelektróda |
| GA | W | MAG: huzalelektróda |
| GI | W | MIG: huzalelektróda |
| O | R | Gázhegesztés: hegesztőpálca |
| S | C | Fedettívű hegesztés: porbeles/fémpor töltetű elektróda |
| S | F | Fedettívű hegesztés: fedőpor |
| S | W | Fedettívű hegesztés: huzalelektróda |
Number of results: 16
Table Viewer
Semi-finished products
| Code | Semi-finished product | English name | Group code |
|---|---|---|---|
| ANODO | Öntött anód | Cast anode | ONTVE |
| BORDL | Bordalemez / hőcserélő borda alapanyag | Finstock | |
| BUGAK | Kovácsolási buga | Forging billet | KOVAC |
| CHCSO | Hidegen húzott cső | Cold drawn tube | HUZOT |
| CHRUD | Hidegen húzott rúd/rúdtermék | Cold drawn rod/bar | HUZOT |
| CSOID | Csőidom | Tube fitting | CSOVE |
| CSOVE | Csővezetékek és csőidomok | Pipes and fittings | |
| DOBOZ | Dobozalapanyag és záróelem-alapanyag | Can stock and closures | |
| EXBUG | Képlékenyen alakított kovácsolási buga (extrudált) | Wrought forging billet (extruded) | KOVAC |
| EXCSO | Extrudált cső | Extruded tube | EXTRU |
Number of results: 62
Table Viewer
Semi-finished product–standard relationships
| SZ_IDX | Semi-finished product code |
|---|---|
| 1 | HOSSZ |
| 1 | LAPHO |
| 1 | LAPTE |
| 1 | LEMEZ |
| 1 | MHLEM |
| 1 | MHSZA |
| 1 | RUDAC |
| 1 | RUDSZ |
| 1 | SZALA |
| 1 | TABLA |
Number of results: 538
Table Viewer
Manufacturers
| Manufacturer | Website | Catalogue | Year of issue |
|---|---|---|---|
| ADOR Welding Limited | https://www.adorwelding.com | Welding-Consumables-Version-Abridged-2023 | 2023 |
| CEMONT / Air Liquide Welding | https://www.cemont.com | CEMONT_Arc_Welding_and_Cutting_Catalogue_2017.pdf | 2017 |
| Elga AB | https://www.elga.se | Elga_Handbook_2017_LowRes.pdf | 2017 |
| ESAB (2016) | https://www.esab.hu | ESAB 2016 Welding Filler Metal Handbook | 2016 |
| ESAB (2025) | https://esab.com/is/eur_en/about/news-folder/esab-introduces-migmag-wires-for-yellow-goods-applications/ | ESAB Launches MIG/MAG Wires for Yellow Goods | 2025 |
| ESAB (2026) | https://www.esab.co.kr/image/product/Welding_consumables_hand_book_eighth_edition.pdf | Welding Consumables Handbook, Eighth Edition | 2026 |
| Gedik Holding | https://gedik.com.tr/en/ | GeKa_EN_KATALOG_5f87de060d2d6 | 2023 |
| Lincoln Electric | https://ch-delivery.lincolnelectric.com/api/public/content/8f62b7daa7104f118facf6c320f497f0?v=2fd828e3 | consumables-catalogue-eng | 2023 |
| Oerlikon | https://www.oerlikon.com | OE-consumables-catalogue-eng | 2023 |
| SAF-FRO | https://www.lincolnelectric.com | SF-consumables-catalogue-eng | 2023 |
Number of results: 13
Table Viewer
Welding positions
| Positions | Description | Description in English | PA | PB | PC | PD | PE | PF | PG | PH | PJ | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | Nem értelmezhető pozíció | Not applicable position | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Fedőporoknál használható nem értelmezhető poz |
| A | Vízszintes vagy vályú helyzetű hegesztés | Flat or groove position welding | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| AB | Vízszintes/vályú + vízszintes sarok helyzetű hegesztés | Flat/Groove + horizontal fillet position welding | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| ABC | Vízszintes/vályú + vízszintes sarok + haránt helyzetű hegesztés | Flat/Groove + horizontal fillet + vertical down position welding | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| ABCDE | Minden helyzet, kivéve fej feletti és körvarrat | All positions except overhead and pipe weld | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | |
| ABCDEF | Minden helyzet, kivéve függőleges lefelé hegesztés | All positions except vertical down | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | |
| ABCDEF | Minden helyzet, függőleges lefelé hegesztés 1.6 mm mérettől | All positions except vertical down from size of 1.6 mm | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1.6: +G |
| ABCDEFG | Minden helyzetű hegesztés | All positions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | |
| ABCDEFGHJ | Minden helyzetű hegesztés + vízszintesen rögzített cső hegesztése | All positions + horizontal fixed pipe welding | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| ABCDEFH | Minden helyzetű hegesztés + vízszintesen rögzített cső hegesztése | All positions + horizontal fixed pipe welding | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 |
Number of results: 27
Table Viewer
Cooling methods
| Code | Cooling method | English name | Description |
|---|---|---|---|
| K | kemencében léghűtés | furnace air cooling | |
| L | levegőn hűtve | cooled in air | |
| LG | levegőn vagy gázban hűtve | cooled in air or gas | |
| LH | lassan hűtött | slow cooled | |
| LHK | lassan hűtött, kemencében léghűtéssel | slow cooled with furnace air cooling | |
| LHL | lassan hűtött | slow cooled | |
| LHLK | lassan hűtött, kemencében léghűtéssel | slow cooled with furnace air cooling | |
| LHO | lassan hűtött | slow cooled | |
| LHOL | lassan hűtött, olajban vagy levegőn hűtve | slow cooled, quenched in oil or cooled in air | |
| LK | levegőn hűtve, kemencében léghűtéssel | cooled in air with furnace air cooling |
Number of results: 28
Table Viewer
Material properties
| Property code | Category | Name | English name | Unit | WeldExp parameter |
|---|---|---|---|---|---|
| K85 | O | Cu > 0,30 % esetén Ni/Cu ≥ 0,5 (Ni ≥ Cu/2) | 0 | ||
| K76 | E | 0 <= s <= 40: C < 0.20 | 0 <= s <= 40: C < 0.20 | % | 0 |
| K75 | O | 0,08<Zr+Ti<0.25 | 0.08<Zr+Ti<0.25 | % | 0 |
| Rpc01 | M | 0,1%-os nyomási egyezményes folyáshatár | 0.1% compression proof strength | MPa | 1 |
| K74 | O | 0.12<Mr+Cr<0.5 | 0.12<Mr+Cr<0.5 | % | 0 |
| K73 | O | 0.1<Mn+Cr<0.6 | 0.1<Mn+Cr<0.6 | % | 0 |
| Rpc02 | M | 0,2%-os nyomási egyezményes folyáshatár | 0.2% compression proof strength | MPa | 1 |
| Tau02 | M | 0,2%-os nyírási egyezményes folyáshatár | 0.2% shear proof strength | MPa | 1 |
| TauT02 | M | 0,2%-os csavarási egyezményes folyáshatár | 0.2% torsion proof strength | MPa | 1 |
| K72 | O | 0.7<Nb+Ta<1.2 | 0.7<Nb+Ta<1.2 | % | 0 |
Number of results: 377
Electrode sizes
Table Viewer
Electrode sizes
| mm | inch |
|---|---|
| 1.3 | 13/254 |
| 1.32 | 4/77 |
| 1.4 | 1/18 |
| 1.5 x 250 | 1/16 x 10 |
| 1.6 | 1/16 |
| 1.6 x 1000 | 1/16 x 40 |
| 1.6 x 175 | 1/16 x 7 |
| 1.6 x 250 | 1/16 x 10 |
| 1.6 x 300 | 1/16 x 12 |
| 1.6 x 500 | 1/16 x 20 |
Number of results: 97
Welding positions – overview diagram
A welding-position designation describes the position of the joint and weld during production. The overview diagram shows the main welding positions in one place.
- PA: flat position;
- PB: horizontal-vertical fillet position;
- PC: horizontal position;
- PD: overhead fillet position;
- PE: overhead position;
- PF: vertical-up welding;
- PG: vertical-down welding.
