The Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me ...read more...

German Häfele new products - ST series smart lock, open a n…

Recently, the world's leading supplier of furniture hardware, construction hardware and electronic access control system, Häfele Hardware (China) Co., Ltd., launched a new generation of ST series smart locks, including ST2000 fingerprint password lock, ST2100 card password lock and ST2200 fi ...read more...

The Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me ...read more...

Rational fertilization for sorghum cultivation

Sorghum has wide adaptability to soil, strong fertility, and is planted on sandy loam with rich organic matter and high fertility. It is easy to obtain high yield. In lean and dry land, phosphorus and low potassium are needed, and fertilizer must be added to obtain good harvest. . The sorghum seedl ...read more...

The Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me ...read more...

The Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me ...read more...