1).Size(mm):OD*WT*L (21.3-609)*(2.77-17.48)*6000

2), Standard:GB/T 8162--1999, ASTM A53, ASTM A106,
DIN1629, JIS, BS, etc.

3).Grade:
GB/T 8162:
10, 20, 35, 45, Q325(16Mn), 40Cr;
DIN 1629/4:
ST35.8, ST35.4, ST45-4, ST55, ST52.4;
ASTM:
A53-A, A53-B, A106-A, A106-B, A106-C, CK45;
Other steel grade can be provided after negotiating with customers

4),packing :Standard export,knitting bags,plastic end,