PROGRESSO
Q235 / Q345 welded round tube with thick zinc coating, engineered for fence, scaffold, green house and structural framing where corrosion resistance matters.
Hot-dipped galvanized round pipe is a welded carbon steel tube coated with zinc after fabrication (post-galvanized), providing sacrificial corrosion protection for outdoor and underground use. QIDAMT supplies a full range of ERW GI round pipe in BS EN / ASTM standard.
Principais vantagens
Composição química (Base Steel Q235B)
| Elemento | C | E | Mn | P | S |
|---|---|---|---|---|---|
| Contente % | ≤ 0.20 | ≤ 0.35 | 0.30 – 0.70 | ≤ 0.045 | ≤ 0.045 |
Propriedades mecânicas
- Resistência à tracção (σb): 375 – 460 MPa
- Força de rendimento (σs): ≥ 235 MPa (for thickness ≤ 16 milímetros)
- Alongamento (δ5): ≥ 26 %
- Zinc coating weight: 30 – 275 g/m² (double side, nominal)
Tamanhos padrão
| Parâmetro | Faixa |
|---|---|
| Diâmetro externo | 21.3 – 219 milímetros (1/2″ – 8″ NB) |
| Espessura da parede | 1.8 – 6.0 milímetros |
| Comprimento | 5.8 eu / 6 eu / 12 eu (corte no comprimento) |
| Termina | Plain ends, beveled or threaded on request |
| Padrão | BS EN 10255 / ASTM A53 / GB/T 3091 |
Formulários
GI round pipe is widely used in fencing, andaime, quadros de estufa, green house tubing, corrimãos, curtain wall supports, drainage and irrigation. For hollow section framing see our galvanized square tube; for structural hot rolled pipe see 20# tubo sem costura.
Processamento & Embalagem
Corte, rosqueamento, slotting and painting available. Pipes are bundled with steel strips and protected by end caps on wooden pallets for ocean shipment.
Enviar DO, Peso, length and quantity — we confirm price and stock within 24 horas.
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