BW Steel Caps:

Dimension to ANSI B16.9, MSS-SP-75, ISO3419, JIS2311/2312/2313, DIN2605/2615/2616/2617, etc.

Size  from 1/2" to 24" (Seamless)

                        24"---(Welded)

Material  Carbon steel, alloy steel, stainless steel to ASTM A234, A403, A420