... 3.91 5.16 5.49 6.024)Coefficient(c):1.064 1.051 1.045 1.040 1 ... communication, gas,etcPayment terms 30%T/T or L/C Delivery time(15-20 days)According to customer’s requirements ... inspection skills.Our company is a large professional supply seamless steel pipe include hot roll , cold draw ,Specially, heavy ... /0.035" - 0.875"Length-customizingSteel Grade-Gr.A B C , A53 A106 ,A333, A192, A179, A213, X42 ST33 ...