Product Description:
1. diverse materials and standards
2. adequate inventory with the most competitive price
3. good quality
4. SGS inspection
5. CE certificated
6. prompt delivery
7. secondary processing
1.steel material: S355,Q235,Q345
2.technology: ERW, hot rolled
3.thickness tolerance:+/-0.03mm
4.length:as the customer's request
5.surface treatment: Galvanized, black painting
6.Applications:1)Mainly use in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction.
2)For liquid transmission: water supply, water drainage, sewage system, etc.
3)For gas transmission: coal gas, LPG, LNG, etc.
7.Test：Various Destructive & Non Destructive Test
8.Inspections: Various Visual & Dimensional Inspections
| Square steel pipe specifications, and materials
| |||
| S235JRHS275J2HS355JOHS355J2H;STKR400490;A500ABC;Q235BQ345BQ345D | |||
| 30x30x2.0-4.0mm | 150x150x3.0-16mm | 280x280x6.0-25mm | 550x550x10.0-30mm |
| 50x50x2.0-5.0mm | 160x160x4.0-16mm | 300x300x6.0-25mm | 600x600x10.0-30mm |
| 60x60x2.0-6.0mm | 180x180x4.0-18mm | 350x350x8.0-25mm | 650x650x10.0-30mm |
| 80x80x3.0-10mm | 200x200x4.0-25mm | 400x400x8.0-30mm | 700x700*10.0-30mm |
| 90x90x3.0-10mm | 220x220x5.0-25mm | 450x450x8.0-30mm | 750x750*10.0-30mm |
| 100x100x3.0-14mm | 250x250x5.0-25mm | 500x500x8.0-30mm | 800x800*10.0-30mm |
