| ASTM A513--Square and Rectangular Steel Pipe |
| Material |
Steel Grade |
Chemical Composition |
Mechamical Porperties |
| Carbon |
Manganese |
Phosphorus |
Sulfur |
Yield Strength |
Ultimate Strength |
elongation |
| MT 1010 |
0.02-0.15 |
0.30-0.60 |
0.035 |
0.035 |
45(310) |
55(379) |
12 |
| MT 1015 |
0.10-0.20 |
0.30-0.60 |
0.035 |
0.035 |
50(345) |
60(414) |
12 |
| MT 1020 |
0.15-0.25 |
0.30-0.60 |
0.035 |
0.035 |
55(375) |
65(348) |
10 |
| Specification and Tolerance |
Largest Nominal Outside Dimension（in.B） |
Wall Thickness（in.B） |
Outside Tolerance（ in.B） |
| 3⁄16 to 5⁄8 |
0.020 to 0.083 |
0.004 |
| Over 5⁄8 to 11⁄8 |
0.022 to 0.156 |
0.005 |
| Over 11⁄8 to 11⁄2 |
0.025 to 0.192 |
0.006 |
| Over 11⁄2 to 2 |
0.032 to 0.192 |
0.008 |
| Over 2 to 3 |
0.035 to 0.259 |
0.01 |
| Over 3 to 4 |
0.049 to 0.259 |
0.02 |
| Over 4 to 6 |
0.065 to 0.259 |
0.02 |
| Over 6 to 8 |
0.185 to 0.259 |
0.025 |
| Length |
4000mm to 12000mm or according to any requiremts from customers |
| Technigue |
Hot rolled or cold rolled,ERW |
| Package |
Civilian Prpdurement and Government Procurement |
| Transport |
container,bulk cargo by sea shipment |
| Payment |
T/T,L/C,Wext Union |
| Application |
Construction, Steel structure, Building material,Gas,water and oil use, Machinery parts |
