ASTM A179 Seamless Cold-drawn low carbon steel heat-exchanger and condenser tubes
Brief Intruction
ASTM A179 SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger Tubes and Condenser Tubes
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger Tubes and Condenser Tubes
1.Applications
For Boilers,
Superheaters,
Tubular Heat-Exchangers,
Condensers
2.Heat transfer apparatus
U bend Tubes according to Customer request
Material: Low Carbon Steel
Production: Seamless Cold Drawn
3.Size range:
OD 3.2-76.2mm WT:1-15mm Length: according to customer requirement.
4.Steel grade SA179 Chemical Composition & Mechanical properties
|
C
|
Mn
|
P
|
S
|
Tensile Strength
|
Yeild point
|
Elongation
|
Hardness
|
|
0.06-0.18
|
0.27-0.63
|
0.035Max
|
0.035Max
|
min ksi[Mpa] 47[325]
|
min ksi[Mpa] 26[180]
|
≥35%
|
≤72HRB
|
5.Surface Finish
Finish Tubes are free of scale.
(1)We have normal heat treatment annealing with black surface.
Have bright annealing with grey and bright surface.
(2)We have normal heat treatment annealing with black surface.
Have bright annealing with grey and bright surface.
(3)We have special heat treatment annealing with bright surface.
Have bright anaerobic annealing with grey and bright surface.
6.Heat Treatment:
Tubes are heat treated after the final cold draw pass at a temperature of 1200℉(650℃) or higher
7.Mechanical Testing:
Flattening Test
Flaring Test
Flange Test
Hardness Test
8.size
Outer diameter(inch)
|
Wall thickness
|
Length(mm)
|
1/2" (21.3mm)
|
std(2.77mm), sch40(2.77mm), xs(3.73mm), sch80(3.73mm)
|
6000, 12000
|
3/4" (26.7mm)
|
std(2.87mm), sch40(2.87mm), xs(3.91mm),sch80(3.91mm)
|
6000, 12000
|
1" (33.4mm)
|
std(3.38mm), sch40(3.38mm), xs(4.55mm), sch80(4.55mm)
|
6000, 12000
|
1.1/4" (42.2mm)
|
std(3.56mm), sch40(3.56mm), xs(4.85mm), sch80(4.85mm)
|
6000, 12000
|
1.1/2" (48.3mm)
|
std(3.68mm), sch40(3.68mm), xs(5.08mm), sch80(5.08mm)
|
6000, 12000
|
2" (60.3mm)
|
std(3.91mm), sch40(3.91mm), xs(5.54mm), sch80(5.54mm)
|
6000, 12000
|
2. 1/2" (73mm)
|
std(5.16mm), sch40(5.16mm), xs(7.01mm), sch80(7.01mm)
|
6000, 12000
|
3" (88.9mm)
|
std(5.49mm), sch40(5.49mm), xs(7.62mm), sch80(7.62mm)
|
6000, 12000
|
3.1/2" (101.6mm)
|
std(5.74mm), sch40(5.74mm), xs(8.08mm), sch80(8.08mm)
|
6000, 12000
|
4"(114.3mm)
|
std(6.02mm), sch40(6.02mm), xs(8.56mm), sch80(8.56mm)
|
6000, 12000
|
5"(141.3mm)
|
std(6.55mm), sch40(6.55mm), xs(9.53mm), sch80(9.53mm)
|
6000, 12000
|
6"(168.3mm)
|
std(7.11mm), sch40(7.11mm), xs(10.97mm), sch80(10.97mm)
|
6000, 12000
|
8"(219.1mm)
|
std(8.18mm), sch40(8.18mm), xs(12.7mm), sch80(12.7mm)
|
6000, 12000
|
10 " (273mm)
|
std(9.27mm), sch40(9.27mm), xs(12.7mm), sch80(15.09mm)
|
6000, 12000
|
12" (323.9mm)
|
std(9.53mm), sch40(10.31mm), xs(12.7mm), sch80(17.48mm)
|
6000, 12000
|
14" (355.6mm)
|
std(9.53mm), sch40(11.13mm), xs(12.7mm), sch80(19.05mm)
|
6000, 12000
|
16" (406.4mm)
|
std(9.53mm), sch40(12.7mm), xs(12.7mm), sch80(21.44mm)
|
6000, 12000
|
18"(457.2mm)
|
std(9.53mm), sch40(14.27mm), xs(12.7mm), sch80(23.83mm)
|
6000, 12000
|
20 " (508mm)
|
std(9.53mm), sch40(15.09mm), xs(12.7mm), sch80(26.19mm)
|
6000, 12000
|
22"(558.8mm)
|
std(9.53mm), xs(12.7mm), sch80(28.58mm)
|
6000, 12000
|
24"(609.6mm)
|
std(9.53mm),sch40(17.48mm), xs(12.7mm), sch80(30.96mm)
|
6000, 12000
|
26"(660.4mm)
|
std(9.53mm), xs(12.7mm)
|
6000, 12000
|
28"(711.2mm)
|
std(9.53mm), xs(12.7mm)
|
6000, 12000
|
30" (762mm)
|
std(9.53mm), xs(12.7mm)
|
6000, 12000
|
