| Commodity | Hollow Section Schedule 20/ 40/ 80 Shaped Structure Tube | ||||
| Outer diameter | ERW / HFW | LSAW / DSAW | SSAW / HSAW | RHS | SHS |
1/8 - 20 inch (10.3 - 508 mm) | 12 - 56 inch (323.8 - 1,420 mm) | 8 - 126 inch (219.1 - 3,200 mm) | 40 x 20 mm - 1,000 x 800 mm | 15 x 15 mm - 1,000 × 1,000 mm | |
| Wall thickness | 0.4 - 16 mm | 6.0 - 40 mm | 6.0 - 26 mm | 1.0 - 30 mm | 0.6 - 30 mm |
| Length | 5.8 ~ 12.0 m or upon customers' requirements | ||||
| Standard | GB/T 3091, GB/T 13793, ASTM A252, ASTM A53, ASTM A500, EN 10210, EN 10219, API 5L, DIN 1626/1615, DIN 17120, etc. | ||||
| Grade | SS400, Q235, Q345, Q460, A572 Gr.50, Gr.1/Gr.2/Gr.3, S235, S275, S355, Grade A/B, X42, X52, X60, X70, etc. | ||||
| Surface | Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment) | ||||
| Inspection | With Chemical Composition and Mechanical Properties Analysis; Dimensional and Visual Inspection, also with Nondestructive Inspection. | ||||
| Application | structure, electric power transmission tower projects, piling, water, oil & gas pipeline engineering, mechanical industry, municipal projects, roads and its auxiliary facilities, etc. | ||||
1) only in bundles by steel scrips
2) in bundles and in plastic wrap
3) conform to client' s requirements
1. Special design avaliable according to requirements.
2. All production process are according to ISO 9001-2008 strictly
3. Free sample
4. Acceptable for any third party inspection (SGS, BV...)
5. OEM is ok.
6. Test product quality through whole process, have our own labrury, control quality well
7. Rich experience of export and sales
8. Good reputation
9. Visit factory any time.
HDT is short for Hui DeTong, manufacturer of steel pipes with competetive price and good service.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in steel and other industries.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.