Description OF DIN 2391 ST52 seamless steel pipe
DIN 2391 ST52 seamless steel pipe AND TUBE, DIN 2391 SEAMLESS PRECISION STEEL PIPES, DIN 2391 ST35 PIPES DEALER, DIN 2391 EN10305 CARBON STEEL PRECISION PIPE MANUFACTURER & SUPPLIERS.
SEAMLESS DIN2391 ST35 CARBON STEEL PIPE , DIN2391 ST35 COLD DRAWN HIGH PRECISION SEAMLESS PIPE AND TUBING, CARBON STEEL ST35 DIN2391 PIPE MANUFACTURER & EXPORTER IN CHINA
Test:tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test,etc.
DIN 2391 ST52 seamless steel pipe AND TUBE, DIN 2391 SEAMLESS PRECISION STEEL PIPES, DIN 2391 ST35 PIPES DEALER, DIN 2391 EN10305 CARBON STEEL PRECISION PIPE MANUFACTURER & SUPPLIERS.
SEAMLESS DIN2391 ST35 CARBON STEEL PIPE , DIN2391 ST35 COLD DRAWN HIGH PRECISION SEAMLESS PIPE AND TUBING, CARBON STEEL ST35 DIN2391 PIPE MANUFACTURER & EXPORTER IN CHINA
Test:tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test,etc.
Grade
C
Mn
P≤
S≤
Si
Cr
Mo
1020
0.18-0.23
0.30-0.60
0.04
0.05
-
-
-
1025
0.22-0.28
0.30-0.60
0.04
0.05
-
-
-
4130
0.28-0.33
0.40-0.60
0.04
0.05
0.15-0.35
0.80-1.10
0.15-0.25
4140
0.38-0.43
0.75-1.00
0.04
0.05
0.15-0.35
0.80-1.10
0.15-0.25
Mechanical Properties OF DIN 2391 ST52 seamless steel pipe
Grade
Condition
MPa Tenslle Point
Yield Point
Elongation
1020
CW
≥414
≥483
≥5%
SR
≥345
≥448
≥10%
A
≥193
≥331
≥30%
N
≥234
≥379
≥22%
1025
CW
≥448
≥517
≥5%
SR
≥379
≥483
≥8%
A
≥207
≥365
≥25%
N
≥248
≥379
≥22%
4130
SR
≥586
≥724
≥10%
A
≥379
≥517
≥30%
N
≥414
≥621
≥20%
4140
SR
≥689
≥855
≥10%
A
≥414
≥552
≥25%
N
≥621
≥855
≥20%
Wall Thickness & Tolerance OF ASTM A519 Seamless steel pipe
Wall % of OD
Wall Tolerances Max % Over and Under
Nominal Wall
ID up to 1.499"
ID 1.500" and larger
Under 25%
+/- 10.0%
+/- 7.50%
Over 25%
+/- 12.5%
+/- 10.0%
Wall Thickness Tolerance (ASTM A519 HRS
Alloy)
Wall Thickness Range as a Percent of
Outside Diameter
% Over and Under Nominal Wall
OD up to 2.999"
OD 3.00"- 5.999"
OD 6.00"- 10.750"
Walls Under 15% of nominal O.D.
12.50%
10.00%
10.00%
Walls Over 15% of nominal O.D.
10.00%
7.50%
10.00%
Outer Diameter & Tolerance OF ASTM A519 Seamless steel pipe
Outside Diameter Size Range
Wall percent of Outside Diameter
Total Camber in any 3 ft.
Up to 5.000"
3% OD & Over
0.030"
5.001 / 8.000"
4% OD & Over
0.045"
8.001 / 10.750"
4% OD & Over
0.060"
DIMENSION SPECIFICATIONS OF DIN 2391 ST52 seamless steel pipe