good quality,best service andreasonable price Seamless steel pipe we can supply:1)Sizes:a) ... one 20" container can load down 21tons(5.8m) steel pipes, one 40"container can load down 25.5tons steel pipes(5 ... petrleum,chemical,gas,air conditioning,low pressure,fluid pipes,steel structures and so on.8)We can also ... make some nonstandard steel pipes as the customers'requirements.9)If the ...