Description
Malleable iron fittings are lighter fittings in 150# and 300# pressure class. They are made for light industrial and plumbing use up to 300 psi. … Malleable iron fittings, also called black iron fittings, are available up to 6 inch nominal pipe size, though they are more common to 4 inches.
Hot-Dip Galvanizing banded with BS21 thread
Standard:GB/T3287-2000;BS EN10242
Tensile Strength≥330MPA
Elongation rate≥8%
Hardness≤HB150
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