How to Obtain & Update HDG Standards (Specifications) There are three main governing ASTM specifications for hot-dip galvanized steel: ASTM A123/A123M: Standard Specification for Zinc …

HOT DIP GALVANISED STEELS (HDG) Zinc has long proven itself as the ideal corrosion protection for steel. Hot-dip galvanized steel combines the exceptional properties of zinc as an …

ASTM A653 applies to HDG and divides Commercial Steel into types: Type A is the new designation for when CQ or LFQ steel had been formerly used; Type B is used to avoid very …

Dec 1, 2010 · Today, the continuous sheet process is used to make seven different types of hot-dip coated products, including galvanized (zinc), galvannealed (90-92% zinc / 8-10% iron …

CS钢材是碳钢（Carbon steel）。 是一类含碳量高于0.02%低于2%（高于2%的被称为铸铁，低于0.02%被称 熟铁）的钢材。 而极少其他元素的钢材，也是产量高的金属材料，相对有较高其 …

For example, Commercial Steel (CS) Type A is specified when CQ or LFQ steel had been used; Type B is used to avoid very low carbon steels [designate Type A when the use of ultra-low …

HDG, bare and painted, is intended for uses where superior corrosion resistance is required. Typical applications are roofs, framing, grain bins and siding. The zinc coating provides a …

China CS /HDG / Alloy Steel Pipes catalog of Special Section Pipe (Q235 A36 St37 Q345 A106 GrB), ERW Oval Stainless Steel Tube (201 202 301 304 304L 309 309S 310 310H 310L 310S …

Hot Dip Galvanized (HDG) Threaded Fittings are steel or iron pipe fittings that have been coated with a layer of zinc through the hot-dip galvanization process. This coating provides excellent …

For example, Commercial Steel (CS) Type A is specified when CQ or LFQ steel had been used; Type B is used to avoid very low carbon steels [designate Type A when the use of ultra-low …