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{"title":"Heat Exchanger tube, U bend Type , Stainless Steel Heat Exchanger Tube ASTM 213,","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c7\/41\/a8d3b163cbf61743fa5e1ccdd796-200x200-1\/heat_exchanger_tube_2c_u_bend_type_2c_stainless_steel_heat_exchanger_tube_astm_213_2c_asme_sa213_2c_astm_a789_2c_asme_sa789.jpg","attrs":{"Place of Origin":"China, Korea","Brand Name":"YUHONG","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
YH specialises in offering high quality Carbon Steel SA179 Tubes, known for its excellent tensile and yield strengths.The unparalleled properties of SA179 grade include excellent resistance to corrosion, oxidation, pitting, acids and crevice corrosion, ensuring outstanding performance in a wide range of applications.
We will attach great importance on ovality this article.
ASTM A179 Tube Sizes
OD (mm)
WT (mm)
OD (mm)
WT (mm)
OD (mm)
WT (mm)
6.35
0.91
19.05
3.404
31.75
2.769
9.53
1.22
20
2
31.75
3.7
12.7
1.22
20
2.2
32 X 22
3.404
12.7
1.245
25
2
36 X 14
1.8
12.7
1.65
25
2.77
38
2.77
15.875
1.245
25.4
1.6
38
3.2
15.875
1.65
25.4
1.651
38.1
2.41
15.875
1.651
25.4
2
38.1
2.769
15.875
2.108
25.4
2.108
38.1
2.9
15.875
2.413
25.4
2.11
38.1
3.05
15.88
1.65
25.4
2.41
38.1
3.403
16
1.2
25.4
2.7
40
1.5
16
2
25.4
2.76
44.45
2.1
19.05
1.22
25.4
2.769
50.8
2.413
19.05
1.651
25.4
2.77
50.8
3.05
19.05
2
25.4
3.048
50.8
3.404
19.05
2.1
25.4
3.15
57.15
3.048
19.05
2.108
25.4
3.4
60.3
2
19.05
2.11
31.75
2.108
63.5
3.76
19.05
2.64
31.75
2.11
63.5
8
Ovality
Ovality equal to Maximum diameter cut minumum diameter and divide nominal diameter, please check below formul,
Ovality (%) = (Dmax - Dmin) / Dnominal x 100
Dmax: Maximum diameter of the pipe
Dmin: Minimum diameter of the pipe
Dnominal: Nominal diameter of the pipe
Noted, If client requires a "ball-passing test", factory should prepare the ball.
Heat exchanger tube using tooling for cold bending, cold bending forming process to meet the Sufficient size tolerance requirements. After passing the test, the bending section and straight section of at least 150 mm range(150mm+150mm) of stress relief heat treatment according to the standard. After heat treatment, and then one by one hydraulic test.
Application
For manufacture wall panel, economizer, reheater, superheater and steam pipeline of boilers.
ASTM A178/A178M Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes.
ASME SA179 Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes.
ASTM A334/A334M Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service.
ASTM A556/A556M Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes.
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...