Brief: Discover the high-quality GB 18248 large diameter cold drawn seamless steel tubes designed for high-pressure gas cylinders. These ASTM A847 standard tubes offer superior strength, corrosion resistance, and precision for structural applications.
Related Product Features:
Cold drawn seamless steel tubes with high strength and low alloy composition.
Complies with ASTM A847, ASTM A370, ASTM A700, ASTM A751, and ASTM G101 standards.
Available in sizes ranging from OD 30-813mm and WT 3-12.7mm, with lengths ≥1.5m.
Offers excellent atmospheric corrosion resistance for structural tubing applications.
Features good concentricity, high precision, and smooth surface quality.
Tensile strength min 70,000 psi (485 Mpa) and yield strength min 50,000 psi (345 Mpa).
Available in round, square, rectangular, and special shapes.
Undergoes flattening and tension tests to ensure quality and durability.
FAQ:
Are you a trading company or manufacturer?
We are a professional steel pipes materials inventor, manufacturer, and solution provider.
How long is your delivery time?
Generally, it is 7-14 days if the goods are in stock, or 30-60 days if not in stock, depending on quantity.
Do you provide samples? Is it free or extra?
Yes, we offer samples free of charge, but you need to pay the freight cost.
What are your payment terms?
For payments <=1000USD, 100% in advance. For payments >=1000USD, 30% T/T in advance, balance before shipment.