Dear Sir We can offer below welded pipe inform us if you are interested. ASTM A312 Material in TP304/304L/316LSize from 1/4"to 16"Thickness from: SCH5S, SCH10S, SCH40S ASTM A554Material in TP304/304L/316LSize from: 9.53mm to 323.9mmThickness from: 0.4mm to 6.0mm for ASTM A554 Kindly inform us your specify details as shown above with quantity and shipment port, we will offer you our best quotation. Look forward to co-operate with near future. Best regards, Amelia LinSongta Metal Enterprise Co., LtdTele: 886-7-383-4366Fax : [email protected]