In our industry, we adhere to a wide range of international and regional standards that ensure material quality, consistency, continuity of supply, and suitability for specific applications. Why are these standards important?

  • They ensure material quality and properties – Each standard guarantees mechanical, thermal, and corrosion properties.

  • They promote global compatibility – They enable easy exchange of materials between industrial sectors.

  • They define processing requirements – Delivery condition standards optimize machinability, heat treatment, and formability.

  • They guarantee safety and compliance with regulations – Key for aviation, energy, construction, and medical applications.

We offer deliveries of materials in accordance with the requirements of EN, ISO, DIN, ČSN, GOST, and other technical standards. Products and semi-finished products can be shipped in various delivery conditions (annealed, hardened and tempered, normalized annealed, in a state after solution annealing, nitrided, etc.) and in accordance with the requirements of the specific application. Each delivery can be accompanied by the relevant inspection document in accordance with EN 10204:2004, including:

2.1 – Declaration of conformity, 2.2 – Protocol on the results of unverified tests

3.1 – Certificate of specific test results performed by the manufacturer

3.2 – Certificate approved by an independent testing organization. In the case of international deliveries or the need for state supervision, documentation may also be issued in accordance with ISO 10474. This ensures full traceability of origin, monitoring of material flow during production, verifiability of mechanical and chemical properties, and compliance with legislative and customer requirements in a wide range of industries – from energy and chemicals to transportation, aviation, and medical technology.

Table of technical conditions by material type

Overview of selected technical delivery conditions
TDP EN ISO DIN GOST
Structural steels EN 10025-1 to -6 ISO 4948, ISO 4949 DIN 17100, DIN 17102 GOST 380, GOST 19281
Fine-grained steels EN 10113, EN 10028-3 ISO 630 DIN 17179 GOST 19281, GOST 5520
Pressure vessels EN 10028-2 to -7 ISO 9328 DIN 17155 GOST 5520, GOST 14782
Corrosion-resistant steels EN 10088-1 to -3 ISO 15510 DIN 17440 GOST 5632, GOST 5949
Heat-resistant steels EN 10269 ISO 4955 DIN 17459 GOST 20072, GOST 5632
Forgings for pressure equipment EN 10222-1 to -5 ISO 4986 DIN 17243 GOST 25054, GOST 8479
Normalized annealed steels EN 10273 – – GOST 1050, GOST 4543
Hardened and tempered steels EN 10083-1 to -3 ISO 683-1 to -3 DIN 17200 GOST 4543
Carburizing steels EN 10084 ISO 683-11 DIN 17210 GOST 4543
Nitriding steels EN 10085 ISO 683-5 DIN 17211 GOST 10702
Tool steels EN ISO 4957 ISO 4957 DIN 17350 GOST 5950
Spring steels EN 10089 ISO 683-14 DIN 17221 GOST 14959
Free-cutting steels EN 10087 ISO 683-4 DIN 1651 GOST 1414
Hot-rolled sheets EN 10051 ISO 7452 DIN 1541, DIN 17100 GOST 19903, GOST 1577
Cold-rolled sheets EN 10130 ISO 3574 DIN 1623 GOST 16523
Bars and profiles EN 10060, 10059 ISO 1035 DIN 1013, DIN 1014 GOST 2590, GOST 8560

Table of technical conditions by material type

Overview of selected delivery terms
TDP EN ISO
Structural steels EN 10025-1 to -6 ISO 4948, ISO 4949
Fine-grained steels EN 10113, EN 10028-3 ISO 630
Pressure vessels EN 10028-2 to -7 ISO 9328
Corrosion-resistant steels EN 10088-1 to -3 ISO 15510
Heat-resistant steels EN 10269 ISO 4955
Forgings for pressure equipment EN 10222-1 to -5 ISO 4986
Normalized annealed steels EN 10273 –
Hardened and tempered steels EN 10083-1 to -3 ISO 683-1 to -3
Carburizing steels EN 10084 ISO 683-11
Nitriding steels EN 10085 ISO 683-5
Tool steels EN ISO 4957 ISO 4957
Spring steels EN 10089 ISO 683-14
Free-cutting steels EN 10087 ISO 683-4
Hot-rolled sheets EN 10051 ISO 7452
Cold-rolled sheets EN 10130 ISO 3574
Bars and profiles EN 10060, 10059 ISO 1035
Overview of selected delivery terms
TDP DIN GOST
Structural steels DIN 17100, DIN 17102 GOST 380, GOST 19281
Fine-grained steels DIN 17179 GOST 19281, GOST 5520
Pressure vessels DIN 17155 GOST 5520, GOST 14782
Corrosion-resistant steels DIN 17440 GOST 5632, GOST 5949
Heat-resistant steels DIN 17459 GOST 20072, GOST 5632
Forgings for pressure equipment DIN 17243 GOST 25054, GOST 8479
Normalized annealed steels – GOST 1050, GOST 4543
Hardened and tempered steels DIN 17200 GOST 4543
Carburizing steels DIN 17210 GOST 4543
Nitriding steels DIN 17211 GOST 10702
Tool steels DIN 17350 GOST 5950
Spring steels DIN 17221 GOST 14959
Free-cutting steels DIN 1651 GOST 1414
Hot-rolled sheets DIN 1541, DIN 17100 GOST 19903, GOST 1577
Cold-rolled sheets DIN 1623 GOST 16523
Bars and profiles DIN 1013, DIN 1014 GOST 2590, GOST 8560

Dimensional standards

Overview of selected dimensional standards
Product type EN ISO DIN GOST
Round steel bar (hot rolled) EN 10060 ISO 1035-1 to -4 DIN 1013 GOST 2590
Square steel bar EN 10059 ISO 1035-1 to -4 DIN 1014 GOST 8559
Flat steel bar EN 10058 ISO 1035-1 to -4 DIN 1017 GOST 103-76
Steel sheets (hot rolled) EN 10051 ISO 7452 DIN 1541, DIN 59220 GOST 19903
Steel sheets (cold rolled) EN 10131 ISO 4997, ISO 3574 DIN 1623 GOST 16523-89
Steel strips (hot/cold rolled) EN 10111, EN 10130 ISO 4995, ISO 3574 DIN 1614, DIN 1623 GOST 17066, GOST 16523
Forgings – dimensional requirements EN 10243-1, EN 10222-1 ISO 8062 (tolerances) DIN 7526, DIN 7527 GOST 7505, GOST 7829

Dimensional standards

Overview of selected dimensional standards
Product type EN ISO
Round steel bar (hot rolled) EN 10060 ISO 1035-1 to -4
Square steel bar EN 10059 ISO 1035-1 to -4
Flat steel bar EN 10058 ISO 1035-1 to -4
Steel sheets (hot rolled) EN 10051 ISO 7452
Steel sheets (cold rolled) EN 10131 ISO 4997, ISO 3574
Steel strips (hot/cold rolled) EN 10111, EN 10130 ISO 4995, ISO 3574
Forgings – dimensional requirements EN 10243-1, EN 10222-1 ISO 8062 (tolerances)
Overview of selected dimensional standards
Product Type DIN GOST
Round steel bar (hot rolled) DIN 1013 GOST 2590
Square steel bar DIN 1014 GOST 8559
Flat steel bar DIN 1017 GOST 103-76
Steel sheets (hot rolled) DIN 1541, DIN 59220 GOST 19903
Steel sheets (cold rolled) DIN 1623 GOST 16523-89
Steel strips (hot/cold rolled) DIN 1614, DIN 1623 GOST 17066, GOST 16523
Forgings – dimensional requirements DIN 7526, DIN 7527 GOST 7505, GOST 7829