1. ASTM A53 ERW Steel Pipe 2. Size: 1/2-24(21.34-609.6mm) 3. WT: 2.77-20.62mm 4. Length: 6-12m 5. Standard: API 5L, API 5CT, GB/T97Type: ASTM A53 ERW Steel Pipe Size: 1/2-24(21.34-609.6mm) WT: 2.77-20.62mm Length: 6-12m Standard: API 5L, API 5CT, GB/T9711 Material: Gr. A/B, X42, X46, X52, X56, X60, X65, X70 Ends: Beveled or square cut plastic caped. Application Range: Petroleum, chemical, power, gas, water, metallurgy, shipbuilding, construction, etc. Delivery: FOB/CIF/CFR Delivery Time: According to the customers request. Others a) Special design available according to requirement. b) Anti-corrosion and high-temperature resistant with black painting.