Heavy wall tubes

Seamless hot rolled steel tubes according to EN 10210-1 + 2 and EN 10297-1

Technical information Seamless hot rolled steel tubes

Seamless hot rolled steel tubes for construction, mechanical and general engineering purposes. Heléns have a complete range of grades and dimensions to suit your production. In cooperation with leading suppliers, we can offer the best alternatives when it comes to quenched and tempered, case hardened and bearing steel.

Seamless hot rolled steel tubes, double certified, in grade S355J2H in accordance with EN 10210-1 and grade E355+AR in accordance with EN 10297-1, tolerances according to EN 10210-2. The closest approximation is SS2172-03. The tubes are impact tested at -20 degrees, stamped with heat number and delivered in random lengths or fixed cut lengths. Certificate in accordance with EN10204/3.1 can be supplied on request.

Hollow bars 

Hollow bars according to EN 10294-1

Technical information Hollow bars

Heléns have a wide assortment of hollow bars for machining. The low alloy steel in hollow bars possesses excellent mechanical properties, machinability and weldability. The hollow bars are manufactured in accordance with EN 10294 with guaranteed clean turned sizes.

Hollow bars in grade E470 in accordance with EN 10294-1. Guaranteed clean turned size after machining with external chucking, applies to lengths up to 3xOD but maximum 200 mm. It should be noted that the delivered tube sizes may vary for a given clean turned size. This is due to factors in the manufacturing processes used by the producers. Tubes are stamped with heat number and certificate in accordance to EN 10204/3.1 can be supplied on request.