Standard:ASTM OD:1/4"-28"(13.7mm-711.2mm) THK:1.24-17.48mm Material: GR.A/B/C
ASTM A106GR.B steel pipe main use for hot work with steel seamless tub
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if you have any inquiry or question about our products in mind ,pls write us :btalina@hotmail com.we are pleased to give you more details.