15A~600A🔸심레스PIPE(고압배관용)-STPG370/STPT370/STS370-A106B/A53B🔸STKM13A 비규격🔸용접관(압력배관용)----SPP/SPPS250/STPG370
10A~600A X 2.3t~7.9t
15A~500A
SPP(KS), SGP(JIS)흑관,백관
SPPS 250(KS)( STPG 370, STPG 38, SPPS37)제품규격
STPG370(JIS)
SPPS250(신규개정판)SPPS380,SPPS420(구 개정판)
●탄소강관 ●STS강관 ●아연도강관(백관)
