Carbon Steel Pipes
TU 14-3-190-2004 10
TU 14-3-190-2004 20
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TU 14-3-190-2004 Seamless steel tubes for boilers and pipelines
Standard: TU 14-3-190-2004
Equivalent Standard: DIN 17175, EN 10216-2
Material: 20
Equivalent Materials: St44, St45.8, 1020, 410, 1.0405
Chemistry Composition
C, %
Si, %
Mn, %
P, %
S, %
Cr, %
Ni, %
Cu, %
0.17-0.24
0.17-0.37
0.35-0.65
0.025 max
0.030 max
0.25 max
0.25 max
0.30 max
Mechanical Properties
Tensile Strength , MPa
Yield Strength, MPa
Elongation, %
412-588
245 min
21 min
Outside Diameter & Tolerance
Hot rolled
Outside Diameter , mm
Tolerance
Normal
High
OD≤50
±0.5mm
-
OD>50
±1.0%
-
Cold Drawn
Outside Diameter , mm
Tolerance
Normal
High
OD<10
±0.15mm
-
10≤OD<30
±0.30mm
-
30≤OD≤50
±0.40mm
-
OD>50
±0.8%
-
Wall thickness & Tolerance
Hot rolled
Wall Thickness , mm
Tolerance
Normal
High
OD<108, WT<15
+12.5/-15.0%
-
OD<108, WT>15
±12.5%
-
OD≥108
+12.5/-15.0%
±12.5%
Cold Drawn
Wall Thickness , mm
Tolerance
Normal
High
WT<1
±0.12mm
-
1≤WT≤5
±10%
-
OD>5
±8%
-
Length: 4000mm; 8030mm; 8050mm; 12010mm; 12030mm; 12050mm; and so on.
Max length: 25000mm, also U bending can be offered.
Keyword: boiler steel pipe, seamless steel pipe, seamless steel tube, TU 14-3-190-2004
 
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