Mechanical GOST Steel Pipes GOST 8731 Steel Pipes GOST 8732 Steel Pipes

Petrol Steel Co.,Ltd is a professional mechanical gost steel pipes gost 8731 steel pipes gost 8732 steel pipes manufacturer supplying you with customized mechanical gost steel pipes gost 8731 steel pipes gost 8732 steel pipes, welcome to wholesale products from our factory. Mechanical GOST steel pipes GOST 8731 steel pipes GOST 8732 steel pipes We are leading manufacturer and stockiest of GOST 8731 steel pipes GOST 8732 steel pipes in China. GOST 8731 steel pipes GOST 8732 steel pipes Chemical Composition Standard Grade C Mn Si P S Cu Ni Cr Mo V Al N Nb,Ti,B,As and W GOST 10 0,07-0,14 0,35-0,65 0,17-0,37 ≤0.035 ≤0.04 0.15 GOST 20 0,17-0,24 0,35-0,65 0,17-0,37 ≤0.035 ≤0.04 0.25 GOST 35 0,32-0,40 0,50-0,80 0,17-0,37 ≤0.035 ≤0.04 0.25 GOST 45 0,42-0,50 0,50-0,80 0,17-0,37 ≤0.035 ≤0.04 0.25 GOST 20X 0,17-0,23 0,50-0,80 0,17-0,37 ≤0.035 ≤0.035 0.70-1.00 GOST 8731 steel pipes GOST 8732 steel pipes Mechanical Properties Standard Grade Heat Treatment Pour Point Re min. (Mpa) Tensile Strength Rm (MPa) Elongation      A5 min.      (%) Impact (J)       t 0-16 mm 1 16-40 mm t 40-65 mm       GOST 10 353 206 24 GOST 20 412 245 21 GOST 35 510 294 17 GOST 45 588 323 14 GOST 20X 431 - 16 GOST 8731 steel pipes GOST 8732 steel pipes Tolerance Outside Diameter Tolerance (% as) Thickness Tolerance (% as) High Accuracy Ordinary Accuracy   High Accuracy Ordinary Accuracy 219 and lower + / - 0,8 + / - 1,0 15 and lower + / - 12.5 - 15.0 / + 12.5 15-30 inter - 12.5 / +10 + / - 12.5 30 and top + / - 10.0 - 12.5 / + 10.5 219 and top + / - 1,0 + / - 1,25 15 and lower - 15.0 / + 12.5 15-30 inter - / + 12.5 30 and top - 12.5 / + 10.00 The types of GOST 8731 steel pipes GOST 8732 steel pipes GOST RUSSIA STANDARD Smooth Seamless Steel Tubes GOST 8732 10 steel pipes GOST 8732 20 steel pipes GOST 8732 45 steel pipes GOST 8731 10 steel tubes GOST 8731 20 steel tubes GOST 8731 45 steel tubes GOST 8732 10 steel tubes GOST 8732 20 steel tubes GOST 8732 45 steel tubes GOST 8731-74 Seamless Hot-Deformed Steel Tubes GOST 8732-78 Seamless hot-deformed steel tubes GOST 8733-74 Seamless cold and warm deformed steel tubes GOST 8734-75 Seamless cold and warm deformed steel tubes GOST 9567-75 Precision steel tubes GOST 9940-72 Seamless hot deformed tubes made of corrosion resistant steel GOST 9941-72 Seamless cold and warm deformed tubes made of corrosion Resistant steel GOST 10498-63 Especially thin walled seamless tubes made of corrosion resistant (stainless) steel GOST 1060-76 Steel seamless cold-deformed tubes for shipbuilding GOST 5654-76 Steel seamless hot-deformed tubes for shipbuilding GOST 550-75 Steel seamless steel tubes for petroleum processing and petrochemical industry GOST 14162-69 Small-sizes steel tubes ( capillary ) GOST 10192-62 Bimetallic seamless tubes GOST 21945-76 Seamless hot-deformed steel tubes made of alloys on the basis of titanium GOST 21729-76 Seamless cold-deformed and hot-deformed tubes made of structural carbon and alloyed steel GOST 22786-77 Bimetallic seamless tubes for shipbuilding GOST 631-75 Internal-external upset drill tubes with couplings GOST 8467-57 Drill tubes for geology-exploring with nipple connections GOST 632-64 Casing tubes with couplings GOST 6238-77 Casing and coring tubes for geology-exploring drilling and nipples to them GOST 633-63 Tubing pipes with couplings GOST 11249-73 Steel rolled up soldered double-layer tubes GOST 3262-75 Steel tubes for water and gas supply with couplings TU SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (20)(12H1MF/15HM ) GOST 13663-68 Shaped steel tubes GOST 3664-68 Steel tubes star-shaped GOST 13665-68 Corrugated steel tubes. GOST 13666-68 Many-ribbed steel tubes. GOST 13667-68 Ribbed steel tubes GOST 13668-68 Steel tubes with inside splines GOST 8639-82 Square steel tubes. GOST 8642-68 Oval steel tubes. GOST 8644-68 Flat-sided oval steel tubes GOST 8645-68 Rectangular steel tubes. GOST 11681-65 Bended stainless steel tubes GOST 11682-65 Bended stainless steel tubes TU SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (10) TU SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (20)(12H1MF/15HM ) GOST 10192-62 Bimetallic seamless tubes GOST 21945-76 Seamless hot-deformed steel tubes made of alloys on the basis of titanium GOST 21729-76 Seamless cold-deformed and hot-deformed tubes made of structural carbon and alloyed steel GOST 22786-77 Bimetallic seamless tubes for shipbuilding GOST 13663-68 Shaped steel tubes GOST 3664-68 Steel tubes star-shaped GOST 13665-68 Corrugated steel tubes GOST 13666-68 Many-ribbed steel tubes GOST 13667-68 Ribbed steel tubes GOST 13668-68 Steel tubes with inside splines GOST 8639-82 Square steel tubes GOST 8642-68 Oval steel tubes GOST 8644-68 Flat-sided oval steel tubes GOST 8645-68 Rectangular steel tube GOST 11681-65 Bended stainless steel tubes GOST 11682-65 Bended stainless steel tubes TU SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (10) ONE OF THE KIND, MILLIONS OF CHOICES SUPERIOR QUALITY PROMPT DELIVERY FAVORABLE FEEDBACK ALL AVAILABLE IN PESCO SELECT PESCO, YOU WILL BE RIGHT For more info and price of GOST 8731 steel pipes GOST 8732 steel pipes, please send us inquiry and you will have quick reply soon. 

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