For chemical fertilizer pipe, oil pipe, gas pipe, fluid pipe, boiler pipe and so on. High-pressureBoiler pipe140-3406.0-4020GGB5310 For chemical fertilizer pipe, oil pipe, gas pipe, fluid pipe, boiler pipe and so on. 20MnG25MnG15MoG20MoG15CrMoG12Cr1MoVGSt35.8,St45.8DIN17175SA106A/B/CASME SA106ASME SA210ASME SA213ASME SA335SA210A/B/CT2/P2T11/P11T12/P12T22/P22T91/P91Product namespecificationsSteel ...