Steel Tube Standards: EN, DIN, ASTM, GOST, JIS
We supply precision seamless and welded steel tube across European, American, Russian and Japanese standards. Use this page to find the standard that matches your drawing, then open the standard page for grades, delivery conditions and tolerances.
European standards
- EN 10305-1 – seamless cold drawn precision tube
- EN 10305-2 – welded cold drawn precision tube
- EN 10305-4 – seamless tube for hydraulic systems
- DIN 2391 – seamless precision tube, legacy standard
- DIN 2393 – welded precision tube, legacy standard
American standards
- ASTM A513 – ERW mechanical tubing, Type 5 DOM
- ASTM A519 – seamless mechanical tubing
- SAE J524 – seamless tube for brake and fuel lines
- SAE J525 – welded and cold drawn tube for fluid lines
Russian standards
- GOST 8734-75 – seamless cold deformed pipe, dimension series
- GOST 9567-75 – high precision seamless steel tube
Japanese standard
- JIS G3445 – carbon steel tube for machine structural use
How to specify
Send the standard, grade, outside diameter, wall thickness, delivery condition and length. If your drawing mixes two standards, tell us which one controls the dimensions and which one is for reference only.
Request a quotation: send your size list or drawing through our contact page. We reply within one working day with price, tolerance and lead time.