Seamless pipes(En1.4542, AISI630, 17-4pH, X5CrNiCuNb16-4, UNS S17400 Seamless pipe(1.4542, 630, 17-4 pH, X5CrNiCuNb 16-4, S17400) Seamless pipes(1.4542, 630, 17-4 pH, X5CrNiCuNb 16-4, S17400) Pipe(En1.4542, AISI630, 17-4pH, X5CrNiCuNb16-4, UNS S17400 Pipes(En1.4542, AISI630, 17-4pH, X5CrNiCuNb16-4, UNS S17400