... so on.StandardsANSI B16.9 / 16.28, ASTM A53/A106, API 5L, ASME B36.10M---1996, DIN2605 / 2615 / 2616, JIS ... metallurgy, shipbuilding, construction,nuclear,etcMin order1 pieceDelivery time7 after receipt of advanced paymentCertificationAPI, CCS, and ISO9001:2000Payment TermFOB(30% down ... F(30% in advance , the balance against with the copy of B/L) Equipment Quality Control: Our products :carbon steel ...