Mechanical GOST 8731 8732 Steel Pipes

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Product Detail

Mechanical GOST 8731 8732 Steel Pipes


We are leading manufacturer and stockiest of GOST 8731 steel pipes GOST 8732 steel pipes in China.


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







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




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 Mechanical GOST 8731 8732 Steel Pipes

GOST RUSSIA STANDARD

Smooth Seamless Steel Tubes

GOST 8732 10 20 45 steel pipes

GOST 8731 10 20 45 steel tubes

GOST 8732 10 20 45 steel tubes

GOST 8731-74 8732-78 Seamless Hot-Deformed Steel Tubes

GOST 8733-74 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 14-3-460-74 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 11682-65 Bended stainless steel tubes

TU 14-3-190-82 SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (10)

TU 14-3-460-74 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 11682-65 Bended stainless steel tubes

TU 14-3-190-82 SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES (10)


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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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