Q1: What does each data of I section of HD250×125×6×9 steel mean?
Steel in H: Height 250mm;
Width 125mm, plate thickness 6mm, upper and lower horizontal plate thickness: 9mm, generally the "upper and lower horizontal plate" is thicker than the "vertical plate".
Q2: What does HD mean in 316HD steel? ?????????????
H: Steel for welding (initials in pinyin of the word welding) D: Electrolysis (symbol of the process and characteristics of the product, initials in pinyin of the word electricity)
Q3: What does 4 HD 25 printed on steel bar mean? Please help
Should indicate the material and material size, rib distance
Q4: What does the E SXHD 16 mean on a 16 rebar, in addition to the 14 bar?
The first four digits represent the first letter of the manufacturer's hanyu pinyin and 16 is the diameter. The quality certificate must bear the following mark: Grade HRB335E Specification 16, where HRB335 is the elastic limit and E is the grade applicable for earthquake-resistant structures with higher requirements.
