UnionMaterial SpecificationC360 (Free Cutting Brass), IS 319, others as per requirement StandardsASTM, ASM, DIN Types of Tube SizesMetric, Imperial Thread StandardsBSP, UNEF UsesCopper Tubes, Brass Tubes, Aluminum Tube, Steel Tube ApplicationPlumbing SizeMetric 4 MM to 57 MM, Imperial 1/8” to 1”
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