ASTM A500 Grade A.B.C (Download ASTM A500) ,Or as per customer's requirement
Sr. No.			Sizes (MM)	Wall Thickness (MM)	Sizes (MM)	Wall Thickness (MM)
1			350*350	8.0-30.0MM
2			300*300	8.0-30.0MM
3			250*250	7.0-30.0MM
4			200*200	7.0-30.0MM
5			160*160	7.0-30.0MM
6			158*158	7.0-20.0MM
7			152*152	6.0-20.0MM
8			150*150	6.0-20.0MM
9			140*140	6.0-20.0MM
10			120*120	4.5-18.0MM
11			100*100	4.5-18.0MM
12			110*110	4.5-18.0MM
13			130*130	4.5-18.0MM
14			125*125	4.5-18.0MM
15			82*82	4.0-16.0MM
16			80*80	4.0-16.0MM
17			70*70	4.0-16.0MM
18			75*75	4.0-16.0MM
19			65*65	4.0-16.0MM
20			50*50	3.0-12.0MM
21			38*38	1.5-8.0MM
22			45*45	1.5-8.0MM
23			30*30	1.5-8.0MM
24			127*127	4.5-18.0MM
25			40*40	1.5-8.0MM
26			50*50	1.5-8.0MM
27			60*60	1.5-8.0MM
28			25*25	1.5-5.0MM
29			20*20	1.5-5.0MM
30			95*95	4.5-12.0MM
31
32
33
34

Tolerances One Size +/- 0.7% Wall Thickness +/- 10% Weight +/- 8%