柬埔寨采购需求：48.3mm镀锌管，48.3mm钢管，5英寸钢管，astm a795 erw焊接钢管，astm a795钢管，扶手用黑色钢管

I'm interested in sourcing a specific product and would greatly appreciate it if you could send me the complete specifications. I'm looking for detailed information including materials used, dimensions, weight, performance features, and any certifications or compliance standards. This will help me better understand the product and how it fits into my requirements. Additionally, if there are any variations available or optional features that I should be aware of, please include those as well. It would be super helpful to also know about the lead times for manufacturing and any minimum order quantities that may apply. Looking forward to your prompt response with the requested information!