JIS G3445 Steel Tubes

We are leading manufacturer and stockist of JIS G3445 steel tubes in China.JIS G3445 Carbon Steel Tubes for Machine Structural PurposesJIS G3445 steel tubes Chemical Composition      GradeDesignationChemical composition %CSiMnPSNb or VGrade 11ASTKM 11A0.120.350.600.0400.040-Grade 12ASTKM 12A0.200.350.600.0400.040-BSTKM 12BCSTKM 12CGrade 13ASTKM 13A0.250.350.30~ 0.900.0400.040-BSTKM 13BCSTKM 13CGrade 14ASTKM 14A0.300.350.30~ 1.000.0400.040-BSTKM 14BCSTKM 14CGrade 15ASTKM 15A0.25~ 0.350.350.30~ 1.000.0400.040-CSTKM 15BGrade 18ASTKM 18A0.180.551.500.0400.040-BSTKM 18BCSTKM 18CGrade 19ASTKM 19A0.250.551.500.0400.040-CSTKM 19CGrade 20ASTKM 20A0.250.551.600.0400.0401.50JIS G3445 steel tubes Mechanical Property      GradeDesignationChemical      composition %Flattening      testBending      testTensile      Strength kgf/mm2 (N/mm2)Yield point      or proof stress kgf/mm2 (N/mm2)Elongation      (%)Distance      between flat parts (D:Outside      diameter)Bend      angleInside      radius (D:Outside diameter)No.11      specimenGrade 11ASTKM 11A30      (294)—351/2 D180°4 DGrade 12ASTKM 12A35      (343)18      (177)352/3 D90°6 DBSTKM 12B40      (392)28      (275)252/3 D90°6 DCSTKM 12C48      (471)36      (353)20———Grade 13ASTKM 13A38      (373)22      (216)302/3 D90°6 DBSTKM 13B45      (441)31      (304)203/4 D90°6 DCSTKM 13C52      (510)39      (382)15———Grade 14ASTKM 14A42      (412)25      (245)253/4 D90°6 DBSTKM 14B51      (500)36      (353)157/8 D90°8 DCSTKM 14C56      (549)42      (412)15———Grade 15ASTKM 15A48      (471)28      (275)223/4 D90°6 DCSTKM 15B59      (579)44      (431)12———Grade 18ASTKM 18A45      (441)28      (275)257/8 D90°6 DBSTKM 18B50      (490)32      (314)237/8 D90?8 DCSTKM 18C52      (510)39      (382)15———Grade 19ASTKM 19A50      (490)32      (314)237/8 D90°6 DCSTKM 19C56      (549)42      (412)15———Grade 20ASTKM 20A55      (539)40      (392)237/8 D90°6      DThe types of JIS G3445 steel tubes  JIS F 0014:2000 Glossary of terms for shipbuilding (hull part -piping)  JIS F 0301:1990 Schemes of thermal insulation of piping for small ships  JIS F 0414:1996 Shipbuilding - internal wiring and piping of engine control console  JIS F 0506:1996 Shipbuilding - applications of copper pipes  JIS F 0507:1992 Small ships - steel pipes - application  JIS F 2007:1976 Mooring pipes  JIS F 2030:1978 Single point mooring pipes  JIS F 3993:1996 Discharge pipes for dredger  JIS F 3994:1996 Floaters of discharge pipes for dredger  JIS F 3995:1991 Rubber sleeves for dredge discharge pipes  JIS G 3429:1988 Seamless steel tubes for high pressure gas cylinder  JIS G 3439 Seamless steel oil well casing,Website:http://www.petrosteels.com, tubing and drill pipe  JIS G 3441:2004 Alloy steel tubes for machine purposes  JIS G 3442:2004 Galvanized steel pipes for ordinary piping  JIS G 3443:2004 Coated steel pipes for water service  JIS G 3444:2004 Carbon steel tubes for general structural purposes  JIS G 3445:1988 Carbon steel tubes for machine structural purposes  JIS G 3446:1994 Stainless steel pipes for machine and structural purposes  JIS G 3447:2004 Stainless steel sanitary pipes  JIS G 3448:2004 Light gauge stainless steel tubes for ordinary piping  JIS G 3451:1987 Fittings of coated steel pipes for water service  JIS G 3452:2004 Carbon steel pipes for ordinary piping  JIS F 7008:1996 Standard specification of thermal insulation for piping  JIS F 7101:1993 Pipes of ship's machinery - standard velocity of flow  JIS G3445 STKM11A STEEL TUBES  JIS G3445 STKM12A STEEL TUBES  JIS G3445 STKM12B STEEL TUBES  JIS G3445 STKM12C STEEL TUBES  JIS G3445 STKM13A STEEL TUBES  JIS G3445 STKM13B STEEL TUBES  JIS G3445 STKM13C STEEL TUBES  JIS G3445 STKMI4A STEEL TUBES  JIS G3445 STKM14B STEEL TUBES  JIS G3445 STKM14C STEEL TUBES  JIS G3445 STKM15A STEEL TUBES  JIS G3445 STKM18C STEEL TUBES  JIS G3445 STKM16A STEEL TUBES  JIS G3445 STKM18C STEEL TUBES  JIS G3445 STKM17A STEEL TUBES  JIS G3445 STKM17C STEEL TUBES  JIS G3445 STKM18A STEEL TUBES  JIS G3445 STKM18B STEEL TUBES  JIS G3445 STKM18C STEEL TUBES  JIS G3445 STKM19A STEEL TUBES  JIS G3445 STKM19C STEEL TUBES  JIS G3445 STKM20A STEEL TUBESONE OF THE KIND, MILLIONS OF CHOICES SUPERIOR QUALITY PROMPT DELIVERY FAVORABLE FEEDBACK ALL AVAILABLE IN PESCO SELECT PESCO, YOU WILL BE RIGHTFor more info and price of JIS G3445 steel tubes, please send us inquiry and you will have quick reply soon.