984HP1437554934Week ago 40
The key purpose of grinding and polishing alloy pipe is to moisten the surface, and the relevant lim...
965HP1139248654Week ago 46
the joints must be welded. The welded joints of the section steel have been prepared in the manufac...
535HP1368588254Week ago 60
The blowing mouth of the welding tool should not be too small to avoid excessive concentration of he...
535HP1368588254Week ago 53
When welding, just add enough filler metal to fill the capillary gap. Too much filler metal will on...
965HP1139248654Week ago 66
The foundation pit excavation shall strictly follow the principle of "layered excavation"....
256HP1583123774Week ago 64
Steel used & mdash& mdash; Such as bridge steel, ship steel, boiler steel, pressure vessel s...
984HP1437554934Week ago 60
so it has excellent rolling fatigue characteristics and corrosion resistance. ThereforeDifference a...
256HP1583123774Week ago 63
Hardness hardness is a pointer to measure the hardness and softness of metal materials. At present,...
984HP1437554934Week ago 44
Premier Hotel fremarPrice of 6m seamless pipe, I-beam has successfully solved the problem of serious...
535HP1368588254Week ago 49
The room temperature tensile strength of the annealed red copper sheet is ~ kgf/mm, and the Brinell...