亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Hot Dip Galvanized Steel Pipe Seamless
Standards:1. ASTM:ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B;
ASTM A333; ASTM A334; ASTM A192; ASTM A210;
2. JIS: G3452;G3457; G3454; G3456; G3461; G3454; G3455;
STPG38; STPG38; STS38; STPT42; STB42; STS42; STS49; STPT49
3. DIN:ST33;ST38ST35;ST42;ST45;ST52.4;ST52; TT St35N;10Ni14;15Mo3
4. API:APL 5LAPI 5CT ;API LINE PIPE and so on

Stock pipe is available.

12/20 12:21