Dimansyon asye ang (ki gen fòm L) varye selon estanda rejyonal yo, klase nan egal-janm ak inegal-janm kalite:
Lachin (GB/T 9787):
Egal-janm: ∠56 × 56 × 5 (56mm janm, 5mm epesè), Q235 klas .
Inegal-Leg: ∠90 × 56 × 8 (90mm × 56mm janm, epesè 8mm), Q355 pou charj lou .
US (ASTM A36/A572):
Egal-janm: 4 × 4 × 3/8 nan (102 × 102 × 9 . 5mm), A36 klas.
Inegal-Leg: 5 × 3 × 1/2 nan (127 × 76 × 12 . 7mm), A572 pou pon.
Ewòp (EN 10056):
Egal-janm: L80 × 80 × 7 (80 × 80 × 7mm), S235 Klas .
Inegal-Leg: L110 × 70 × 10 (110 × 70 × 10mm), S355 pou itilize endistriyèl .
Japon (JIS G3192):
Egal-Leg: L60 × 60 × 5 (60 × 60 × 5mm), klas SS400 pou zòn sismik .
Nòt kle:Estanda Chinwa yo konsantre sou pri-efikas Q235 pou enfrastrikti, pandan y ap ang US ofri seksyon pi epè pou aplikasyon lou-devwa .