DIN 2391 Cold drawn seamless steel tube,ST-52 Seamless Precision steel tubes

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DIN 2391 Cold drawn seamless steel tube,ST-52 Seamless Precision steel tubes

din2391st52 seamless pipe

din2391st52 seamless pipe

Abter steel can supply DIN2391 St52 steel pipe,ST52 chemical composition price and specification ,we are steel suppliers and manufacturer,you can contact us to get DIN2391 St52 steel pipe,ST52 chemical composition application and other information.

General description Cold drawn or cold rolled

Design as per DIN 2391 / DIN 1630 / EN 10305-1

Steel Grade: ST-35, ST-37.4, ST-52

Outside Diameter (Nominal Size ): 6 – 80 mm
Inside Diameter: 2 – 74 mm
Wall Thickness: 0,5 – 6 mm

Tolerances:
Outside Diameter:
OD 6 – 30 mm: ± 0,08 mm
OD 32 – 40 mm: ± 0,15 mm
OD 42 – 50 mm: ± 0,20 mm
OD 55; 60 mm: ± 0,25 mm
OD 65; 70 mm: ± 0,30 mm
OD 75; 80 mm: ± 0,35 mm

Wall Thickness: ± 10%

Grade and Chemical Composition(%):
GradeC %Si %Mn %P %S %
St 350,170,350,400,0250,025
St 450,210,350,400,0250,025
St 520,220,551,600,0250,025
Mechanical Properties
GradeBKBKWBKSGBKNBK
T.SA(%)T.SA(%)T.SReHA(%)T.SA(%)T.SReHA(%)
St354806420104203151431525340-47023525
St45580552085203751239021440-57023521
St52640458075804201049022490-63035522

 

applications:

precision steel tubes to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

features of DIN 2391 Cold drawn seamless steel tube,ST-52 Seamless Precision steel tubes

high accuracy, outstanding brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube has the ability to stand high pressure. No contortion after cold bending, no crack after flaring and flattening. The complex geometrical forming and machining can be understood. Color of tube: gray with white.

 

 

 

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