... BS ,ISO ,GB, SH, AND, SH ,etcmaterialCarbon Steel :ASTM A106/ A53 ASTM A 179 Gr.A/B, API5L Grade X42/X46/X52/X60 /X70St33 ... , EPOXY coating, FBE, etcspray word processingAccording to the needs of the customers can paint mark on the steel pipeapplicationsOil, natural ... use power, metallurgy,, oil drilling, boilers and pressure vessel of medium and low pressure(normally the container and steam pipelines ...