... 3. MOQ : 10 TON Specifications10 inch schedule 40 seamless steel pipe Standard:JIS G3454-2007, JIS.. Grade: 20#, 45#, 16Mn, ... St42, Q235, Q195..Specifications10 inch schedule 40 seamless steel pipe Standard:JIS G3454-2007, JIS.. Grade: 20#, 45#, 16Mn, ... specification and models and national standards of galvanized steel pipe b.Using high-quality material and advanced production technology ...