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High-quality carbon structural steel (GB 699-88)
Introduction
High-quality carbon structural steel (GB 699-88) is a type of steel material with a carbon content of 0.20-0.35%, also known as high-quality carbon steel or carbon structural steel. It mainly contains carbon and small amounts of silicon, manganese and sulfur. High-quality carbon stru......
26/06/2023 
1037 
Oliver
H-shaped steel production process
H-beam Production Process
H-beam is an important steel shape featuring wide applications. Different from common hot rolled steel plates, H-beam has its two ends connected together to form an “H” like structure. As its name suggests, H-beam is generally used for supporting walls and roofs. Other......
rebar
Steel reinforcing bars, more commonly known as rebar, have been around since the 19th century and are an integral component of modern construction. They are used to strengthen and reinforce concrete, adding a structural component that ensures the concrete can withstand stresses and loads placed on ......
Hot-rolled ribbed steel bars for reinforced concrete (GB1499-1998)
，要么你拿到这个题目，你要查阅大量的资料，认真详细的写出来。
Hot-rolled ribbed bars for reinforced concrete (GB1499-1998)
This standard is applicable to hot-rolled ribbed bars for reinforced concrete with nominal diameter of 6-50 mm. The standard stipulates the appearance, shape and sizes, technic......
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