... , ASTM A312, BS1387, DIN2391, DIN2394, DIN17175, JIS G3452, EN10210, EN10219, EN10025, EN10305 etc Product NameZinc Coating Steel PipeBrandSUNRISESpecificationOD 33mm - 406mm(1”~16 ... #(STPG38,STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C),45#(JIS S45C), 16mn(STS49,STPT49) etc.c. ASTM/AISI Standard10 ... questions, please do not hesitate to let us know, thanks! Zinc coating steel pipe