China Black Square Steel Pipe Seamless, Black Iron Square Tube, Galvanized Square Tube Brackets
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Square Tube/Rectangular steel tube
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Hot rolling; cold drawing; NDT test; UT test; Hydrostatic Tester
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Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling
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API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444,
JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210, SA213, SA335, DIN17175, ASTM A179...
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API 5L PSL1 / PSL2, API 5CT, ISO 9001-2008
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API 5L :API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53/A106: GR A, GR B, GR CASME SA106: GR.A, GR.B, GR.CASME
SA192: SA192ASME SA209M: T1, T1a
ASTM A335:P1, P2, P5, P9, P11, P22, P23
ASTM A333:Gr.1, Gr.3, Gr.4, Gr.6, Gr.7, Gr.8, Gr.9, Gr.10, Gr.11
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20mm– 800mm
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3-20mm
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Random Length, Fixed Length, SRL, DRL
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Beveled end,plain end meet your need
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Black painting,bare pipe,Oiled,Hot dip galvanized
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10MT
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BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)
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1. big diameter: in loose
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2. small diameter:packaged in bundles with strips
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3. as per clients' requirement
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TT/LC
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Shortest delivery time after receive deposite
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![Welded 75x75 Tube Structural Rectangular Pipe Carbon Square Iron 50x50 Square Steel Tube Price from Chinese Manufacture]()
Product Picture
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Product name
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Material
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Standard
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Size(mm)
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Application
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Low temperature tube
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16MnDG
10MnDG
09DG
09Mn2VDG
06Ni3MoDG
ASTM A333
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GB/T18984-
2003
ASTM A333
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OD:8-1240*
WT:1-200
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Apply to - 45 ℃ ~ 195 ℃ low temperature pressure vessel and low temperature heat exchanger pipe
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High-pressure boiler tube
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20G
ASTMA106B
ASTMA210A
ST45.8-III
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GB5310-1995
ASTM SA106
ASTM SA210
DIN17175-79
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OD:8-1240*
WT:1-200
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Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc
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General structure
of the tube
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10#,20#,45#,27SiMn
ASTM A53A,B
16Mn,Q345
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GB/T8162-
2008
GB/T17396-
1998
ASTM A53
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OD:8-1240*
WT:1-200
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Apply to the general structure, engineering support, mechanical processing, etc
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15
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1/2”
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21.3
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2.11
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2.77
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2
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2.6
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-
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20
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3/4”
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26.7
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2.11
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2.87
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2.3
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2.6
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3.2
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25
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1”
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33.4
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2.77
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3.38
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2.6
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3.2
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4
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32
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1-1/4”
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42.2
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2.77
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3.56
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2.6
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3.2
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4
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40
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1-1/2”
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48.3
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2.77
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3.68
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2.9
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3.2
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4
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50
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2”
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60.3
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2.77
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3.91
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2.9
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3.6
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4.5
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65
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2-1/2”
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73
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3.05
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5.16
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3.2
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3.6
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4.5
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80
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3”
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88.9
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3.05
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5.49
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3.2
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4
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5
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100
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4”
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114.3
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3.05
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6.02
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3.6
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4.5
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5.4
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125
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5”
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141.3
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3.4
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6.55
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-
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5
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5.4
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150
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6”
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168.3
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3.4
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7.11
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-
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5
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5.4
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200
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8”
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219.1
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3.76
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8.18
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-
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-
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-
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1.After painting, 12” and below sizes will be in hexagonal seaworthy bundles with steel strips and PVC cover sheets; 2. After painting, 14” and above sizes will be load piece by piece, and without PVC cover sheets; nesting can be made if needed.
Q1:Can you provide the samples?
A1:Samples can be provided with samples charge and courier fee by the buyer's side.
Q2:Are the products in stock?
A2:Yes.Most of our products are in stock.So we can prompt delivery.
Q3:Can you accept customize?
A3:Yes.It can be customized as per the customers' request.
Q4:What about the quality?
A4:According to the standard for production.And we can also accept the third-party inspection and quarantine.
About the After-Sale Service
1.We are glad that customers can give us some suggestions for price and products.
2.If you have any questions,pls feel free to contact us by email or phone.
