ASTM A501 GR.B SEAMLESS HOLLOW seem

ASTM A501 Qib B tubing

ASTM A501 SQUARE Tube

ASTM A501 SEAMLESS SQUARE Tube

ASTM A501 Seamless Hollow seem

Qib: Qib B

Cov duab: square, round, rectangular, los yog cov duab tshwj xeeb

Ntev: 1000mm txog 25000mm

OD: 50mmx50mm-1200mmx1200mm

WT: 2.5 mus rau 50 mm (Square thiab rectangular tubing), 2.8 mus rau 50mm (Round tubing phab ntsa thickness)

Txheej: kub-dipped galvanized los yog lwm yam txheej raws li xav tau.

Charpy V-Notch Impact Test: phab ntsa thickness ntau dua 0.312 in. [8 mm] siv rau Qib B.

Cov txheej txheem: 

1. Seamless;

2. Rauv-lub taub qab vuam (nruam vuam);

3. Hluav taws xob tiv thaiv vuam;

4. Submerged arc vuam.

Chemical Cheebtsam: (%)

Mechanical Requirements: