Factory supplied China ERW Welded Mild Steel Black Round Pipe for Construction
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Sticking for the basic principle of "Super Top quality, Satisfactory service" ,We've been striving to be an excellent business enterprise partner of you for Factory supplied China ERW Welded Mild Steel Black Round Pipe for Construction, We have been also the appointed OEM factory for several worlds' famous merchandise brands. Welcome to call us for even further negotiation and cooperation.
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ASTM A500 Round steel pipe
1.Specification:Round A500 steel tube:1/2’’--20’’(20mm—508mm)
2.Length:5.8m, 6m, 11.8m, 12 m and any length can be customized according to customer's requirement.
3.Surface Treatment:Plain, oiled, painted, galvanized, electro-static coating and so on.
4.Package of round A500 steel tube:PVC plastic cloth and in bundles.
5.Transportation:By container or by bulk.
6.Payment: 1.T/T- 30% advance payment, and balance against the copy of B/L within 3-5 days.
2. L/C 100% irrevocable at sight.
3.Western Union.
7.Application:Structure
Chemical Requirements
| Element | Grades A, B and D | Grace C | ||
| Heat | Product | Heat | Product | |
| Analysis | Analysis | Analysis | Analysis | |
| Carbon, max | 0.26 | 0.3 | 0.23 | 0.27 |
| Manganese, max | ... | ... | 1.35 | 1.4 |
| Phosphorus, max | 0.035 | 0.045 | 0.035 | 0.045 |
| Sulfur, max | 0.035 | 0.045 | 0.035 | 0.045 |
| Copper, when copper steel | 0.2 | 0.18 | 0.2 | 0.18 |
| is specified, min | ||||
Tensile Requirements
| Round Structural Tubing | ||||
| Grade A | Grade B | Grade C | Grade D | |
| Tensile strength, mn, ps (MPa) | 45 000 | 58 000 | 62 00 | 58 000 |
| -310 | -400 | -427 | -400 | |
| Yield strength, mn, psi (MPa) | 33 000 | 42 000 | 46 000 | 36 000 |
| -228 | -290 | -317 | -250 | |
| Elongation in 2 in. (50.8 mm), min, %A | 25B | 23C | 21D | 23C |
| Shaped Structural Tubing | ||||
| Grade A | Grade B | Grade C | Grade D | |
| Tensile strength, mn, ps (MPa) | 45 000 | 58 000 | 62 00 | 58 000 |
| -310 | -400 | -427 | -400 | |
| Yield strength, mn, psi (MPa) | 39 000 | 46 000 | 50 000 | 36 000 |
| -269 | -317 | -345 | -250 | |
| Elongation in 2 in. (50.8 mm), min, %A | 25B | 23C | 21D | 23C |
