ASTM-A-106-GR-B, APL-5L-GR-B, SA-53-GR-B, BS: 3059-GR-360, SA-179.
A flat rolled steel coil is a type of metal sheet wound into rolls, the width of which is larger than the thicknes.
The flange is second most used joining method after welding. Flanges are used when joints need dismantling.
A buttweld fitting is a weldable pipe fitting that allows for change of direction of flow, to branch off, reduce pipe size.
IS:1239(Part-I)/2004, BS:1387-1990, IS:9295-1983, IS:3601-1984, IS:1161-1998, IS:3589/2001, IS:4270:2001, ASTM A-53 GR A&B SCH 20/40/80, ASTM A-795, ASTM A-135
Steel hollow sections are the most versatile and efficient form for construction and mechanical applications.