GOST 8734-78 Steel 10 Seamless Carbon Steel Tube St10 pipes

We are the professional manufacturer of GOST 8734-78 Steel 10 Seamless Carbon Steel Tube St10 pipes in China.

GOST 8734-78 is a  Russian standard that defines the specifications for cold-formed seamless steel pipes with precise dimensions. These pipes are widely used across industries such as construction, machinery, oil and gas, and power generation

GOST 8734-78 cold-drawn seamless pipes are a premium choice for industries requiring high precision, strength, and reliability. They provide excellent performance in heat exchangers, hydraulics, power plants,

Material: 10

Equivalent Materials: St37, St35.8, 1010, 360, E235, P235TR1, 1.0254

Chemistry Composition of GOST 8734-78 St 10 Pipes

C, %
Si, %
Mn, %
P, %
S, %
Cr, %
Ni, %
Cu, %
0.07-0.14
0.17-0.37
0.35-0.65
0.025 max
0.030 max
0.15 max
0.30 max
0.30 max

Mechanical Properties of GOST 8734-78 St 10 Pipes

Tensile Strength , MPa
Yield Strength, MPa
Elongation, %
343 min
206 min
24 min

Outside Diameter & Tolerance of GOST 8734-78

Outside Diameter, mm
Tolerance, mm
5≤OD≤10
±0.15
10<OD≤30
±0.30
30<OD≤50
±0.40
OD>50
±0.8%

Wall thickness & Tolerance of GOST 8734-78

Wall Thickness , mm
Tolerance, %
WT≤1
±0.12mm
1<WT≤5
±10
WT>5
±8
1<WT≤2.5, OD>110
±12.5

GOST 8734-78 Steel 10 St10 Seamless Carbon Steel pipes tubes

 

GOST 8734-78 St10 cold-formed seamless pipes are a premium choice for industries requiring high precision, strength, and reliability. They provide excellent performance in heat exchangers, hydraulics, power plants