Hollow bar sizes and grades

Our portfolio of hollow bar includes several grades of austenitic stainless steel as well as duplex stainless steel. Hollow bar standard sizes range from outside diameter 32 to 273 mm (1.26 to 10.75 in.). View stock locations and stock program.

Hollow bar grades (incl. nominal chemical composition)
Alleima grade UNS ASTM EN / W.nr. C Cr Ni Mo Others
Sanmac® 4305 S30300 303 1.4305 ≤0.035 17.5 9 - S
Sanmac® 304/304L S30403/30400 304/304L 1.4301/1.4307 ≤0.030 18.5 9 - -
Sanmac® 316/316L S31603/31600 316/316L 1.4401/1.4404 ≤0.030 16.5 11 2.1 -
Sanmac® 4435 S31603/31600 316/316L 1.4436/1.4435 ≤0.030 17.5 12.5 2.6 -
Sanmac® 4571 S31635 (316Ti) 1.4571 0.03 17 12.5 2.1 Ti
Sanmac® 2205 S32205/S31803 - 1.4462 ≤0.030 22.5 5.5 3.2 N
SAF 2507®* S32750 - 1.4410 ≤0.030 25  N

* Contact us for more information about this grade.