is astm a572 grade 60 steel weldable？

is astm a572 grade 60 steel weldable？

is astm a572 grade 60 steel weldable？
ASTM A572 Grade 60 steel has excellent weldability.
Design Objectives: A572 Gr. 60 is a high-strength low-alloy structural steel (HSLA), and one of its core design objectives is to maintain excellent weldability.
Weldability Description: Its chemical composition is optimized to minimize defects such as cracking and porosity during welding, making it suitable for a variety of welding processes, including manual and automatic welding.
Specific Welding Recommendations:
Recommended Welding Materials: For manual metal arc welding (SMAW), use E7018 low-hydrogen electrodes; for gas shielded arc welding (GMAW), use ER70S-6 welding wire.
Preheating Requirements: For plate thicknesses ≤ 25 mm, preheating is generally not required. For thicker plates > 25 mm, preheating to 100-150°C is recommended to reduce welding stress and prevent cracking.
Summary:
ASTM A572 Gr.60 is not only weldable, but its excellent weldability is one of the key reasons why it is widely used in engineering applications requiring on-site welding, such as building steel structures, bridges, pressure vessels, and construction machinery. By following the correct welding procedures (such as selecting appropriate welding consumables and preheating when necessary), high-quality welds can be achieved.