... .max Length >12m seamless stainless steel pipe for high pressure boilerMaterial:TP304, TP304H, TP304L, TP316, TP316L, TP316Ti,TP316LN, TP317, TP317L, TP321, TP347, TP347H, TP310S ... ,sclerometer,hydrostatic pre ssure test,eddy current inspection,ultrasonic inspection seamless stainless steel pipe for boiler