Carbon Steel Pipes
Alloy Steel Pipes
GOST 8732-78 10
GOST 8732-78 10G2
GOST 8732-78 20
GOST 8732-78 35
GOST 8732-78 45
GOST 8732-78 15ChM
GOST 8732-78 20Ch
GOST 8732-78 30ChMA
GOST 8732-78 40Ch
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GOST 8732-78 Seamless Hot-worked Steel Pipes
Standard: GOST 8732-78
Equivalent Standard: ASTM A106, ASTM A53, EN 10216-1, DIN 1629
Material: 45
Equivalent Material: 1045
Chemistry Composition
C, %
Si, %
Mn, %
Cr, %
Ni, %
S, %
P, %
Cu, %
0.42-0.45
0.17-0.37
0.50-0.80
0.25 max
0.30 max
0.040 max
0.035 max
0.30 max
Mechanical Properties
Tensile Strength, MPa
Yield Strength, MPa
Elongation, %
588 min
323 min
14 min
Outside Diameter & Tolerance
Outside Diameter, mm
Tolerance
32≤OD≤50
±0.5mm
51≤OD≤219
±1%
Wall thickness & Tolerance
Wall Thickness, mm
Tolerance, %
3≤OD≤15
+12.5/-15
16≤OD≤30
±12.5
32≤OD≤45
+10/-12.5
GOST 8732-78 applies to hot-worked seamless steel pipes of general purpose, manufactured by outside diameter, wall thickness and length.
Manufacture: the tubes shall be manufactured by cold drawn and hot rolled.
Delivery Condition: heat treated.
Inspection & Test: chemical composition test, elongation test, hardness test, flattening test, bending test, flaring test, NDT, surface inspection and dimension check.
Length: 4000mm; 6000mm; 6500mm; 10000mm; 12010mm; and so on.
Max length: 18000mm
Keyword: GOST 8732-78, Steel Pipe, Hot worked Steel Pipe, Seamless Steel Pipe
 
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