The hydraulic tube is cylinder-like shaped tubing device that when attach to hydraulic systems, allow for the passage of fluids within and among components. The tube standard specifies dimensions for cold drawn finishing and seamless precision steel tubes. Cold drawn process provides the tube with close dimensional tolerances, increase material strength and enhanced machinability. Therefore, hydraulic tubes are suitable in high performance piping system application.
They typically have a length of approximately 6 meter long. To order tubes, user has to measure the tube outside diameter and inside diameter. Where the wall thickness is of significance, the tubes may ordered in terms of outside diameter and wall thickness or inside diameter and wall thickness.
Hydraulic steel tube is designed to convey liquid fluids to among hydraulics components, fittings, valves, flanges, and other tools. It is made of material E355 (ST 52.4) or E235 (ST 37.4). These two grades have different chemical composition. This helps to control the working pressure.
Hydraulic tube is made according to DIN 2391/C (DIN EN 10305-1) or DIN 2445/2 (DIN EN 10305-4) standards and it is available in millimeters, inches outer diameter, and inches nominal bore size.
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Material Specifications |
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Dimension Specifications |
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Finishing |
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Product | Hydraulic Pipe | |
Seamless Pipe | China | GB/T8162/T8163 GB5310/6579/9948 |
U.S.A. | ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334; API 5L/5CT | |
Japan | JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464 | |
German | DIN 1626/17175/1629-4/2448/2391/17200 SEW680 | |
Russia | GOST 8732/8731/3183 | |
Material and Grade | China | 10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo,42Crmo, 27SiMn, 20CrMo |
U.S.A. | Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130 | |
Japan | STPG38,STB30,STS38,STB33,STB42,STS49,STBA23,STPA25,STPA23 | |
German | ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405 | |
Russia | 10, 20, 35, 45, 20X | |
Out Diameter | 10-1000mm | |
Wall Thickness | 1-80mm | |
Length | 1-12m | |
Protection | Plastic caps | |
Packing terms | Labeled and bundled together with steel strip | |
Shipment terms | Containers or bundles by sea,one 20" container can load about 20 tons(5.8meters long),one 40" container can load about | |
Quality Certificate | ISO, API, Mill Test Certificate | |
Surface Treatment | Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer |
Technique | Hot Rolled/Cold Drawn |
Steel grades | Q195, Q235A-B, Q345A-E, 20#, 10#,16Mn, ASTM A36,ASTM A500, |
Standards | GB/T 3091-2001,GB/T13912-2002, BS 1387, ASTM F1083 ect. |
Pipe ends | plain, beveled, threaded, socket with holes, with PVC clap/ coupling/ clamp, |
treatment | |
Application | liquid delivery (pump well, gas, water), construction pipe, structural |
Delivery Time | 10days from stock; 15-20days produced according to the qty |
Payment Term | T/T or L/C |
Price Term | CIF; CFR; FOB |
Loading Port | Qingdao port Tianjin port Shanghai Port China |
Hydraulic Tube (ST37.4 NBK) Working Pressure Table:
Description | Working Pressure (Bar) | Burst Pressure (Bar) | IMPA CODE | |
1 | 4MM OD x 1.0MM THK x 6 MTR | 707 | 1755 | 710701 |
2 | 5MM OD x 1.0MM THK x 6 MTR | 565 | 1404 | - |
3 | 6MM OD x 1.0MM THK x 6 MTR | 471 | 1170 | 710702 |
4 | 6MM OD x 1.5MM THK x 6 MTR | 707 | 1755 | 710703 |
5 | 8MM OD x 1.0MM THK x 6 MTR | 353 | 878 | 710704 |
6 | 8MM OD x 1.5MM THK x 6 MTR | 530 | 1316 | 710705 |
7 | 8MM OD x 2.0MM THK x 6 MTR | 707 | 1755 | 710706 |
8 | 8MM OD x 2.5MM THK x 6 MTR | 883 | 2194 | - |
9 | 10MM OD x 1.0MM THK x 6 MTR | 283 | 702 | 710707 |
10 | 10MM OD x 1.2MM THK x 6 MTR | 339 | 845 | 710708 |
11 | 10MM OD x 1.5MM THK x 6 MTR | 424 | 1053 | 710709 |
12 | 10MM OD x 2.0MM THK x 6 MTR | 565 | 1404 | 710710 |
13 | 10MM OD x 2.5MM THK x 6 MTR | 707 | 1755 | - |
14 | 12MM OD x 1.0MM THK x 6 MTR | 236 | 585 | 710711 |
15 | 12MM OD x 1.2MM THK x 6 MTR | 283 | 702 | 710712 |
16 | 12MM OD x 1.5MM THK x 6 MTR | 353 | 878 | 710713 |
17 | 12MM OD x 2.0MM THK x 6 MTR | 471 | 1170 | 710714 |
18 | 12MM OD x 2.5MM THK x 6 MTR | 589 | 1463 | - |
19 | 12MM OD x 3.0MM THK x 6 MTR | 707 | 1755 | - |
20 | 14MM OD x 1.5MM THK x 6 MTR | 303 | 752 | - |
21 | 14MM OD x 2.0MM THK x 6 MTR | 404 | 1003 | - |
22 | 14MM OD x 2.5MM THK x 6 MTR | 505 | 1254 | - |
23 | 14MM OD x 3.0MM THK x 6 MTR | 606 | 1504 | - |
24 | 14MM OD x 4.0MM THK x 6 MTR | 807 | 2006 | - |
25 | 15MM OD x 1.0MM THK x 6 MTR | 188 | 468 | - |
26 | 15MM OD x 1.2MM THK x 6 MTR | 226 | 562 | 710715 |
27 | 15MM OD x 1.5MM THK x 6 MTR | 283 | 702 | 710716 |
28 | 15MM OD x 2.0MM THK x 6 MTR | 377 | 936 | 710717 |
29 | 15MM OD x 2.5MM THK x 6 MTR | 471 | 1170 | 710718 |
30 | 15MM OD x 3.0MM THK x 6 MTR | 565 | 1404 | - |
31 | 16MM OD x 1.5MM THK x 6 MTR | 265 | 658 | 710719 |
32 | 16MM OD x 2.0MM THK x 6 MTR | 353 | 878 | 710720 |
33 | 16MM OD x 3.0MM THK x 6 MTR | 530 | 1316 | - |
34 | 18MM OD x 1.5MM THK x 6 MTR | 236 | 585 | 710721 |
35 | 18MM OD x 2.0MM THK x 6 MTR | 314 | 780 | 710722 |
36 | 18MM OD x 2.5MM THK x 6 MTR | 393 | 975 | 710723 |
37 | 18MM OD x 3.0MM THK x 6 MTR | 471 | 1170 | - |
38 | 20MM OD x 2.0MM THK x 6 MTR | 283 | 702 | 710724 |
39 | 20MM OD x 2.5MM THK x 6 MTR | 353 | 878 | 710725 |
40 | 20MM OD x 3.0MM THK x 6 MTR | 424 | 1053 | 710726 |
41 | 20MM OD x 3.5MM THK x 6 MTR | 495 | 1229 | - |
42 | 20MM OD x 4.0MM THK x 6 MTR | 565 | 1404 | - |
Description | Working Pressure (Bar) | Burst Pressure (Bar) | IMPA CODE | |
43 | 20MM OD x 4.5MM THK x 6 MTR | 636 | 1580 | - |
44 | 20MM OD x 5.0MM THK x 6 MTR | 707 | 1755 | - |
45 | 22MM OD x 2.0MM THK x 6 MTR | 257 | 638 | 710727 |
46 | 22MM OD x 2.5MM THK x 6 MTR | 321 | 798 | - |
47 | 22MM OD x 3.0MM THK x 6 MTR | 385 | 957 | 710728 |
48 | 22MM OD x 4.0MM THK x 6 MTR | 514 | 1276 | - |
49 | 25MM OD x 2.0MM THK x 6 MTR | 226 | 562 | 710729 |
50 | 25MM OD x 2.5MM THK x 6 MTR | 283 | 702 | 710730 |
51 | 25MM OD x 3.0MM THK x 6 MTR | 339 | 842 | 710731 |
52 | 25MM OD x 3.5MM THK x 6 MTR | 396 | 983 | - |
53 | 25MM OD x 4.0MM THK x 6 MTR | 452 | 1123 | - |
54 | 25MM OD x 5.0MM THK x 6 MTR | 565 | 1404 | - |
55 | 28MM OD x 2.0MM THK x 6 MTR | 202 | 501 | - |
56 | 28MM OD x 2.5MM THK x 6 MTR | 252 | 627 | 710732 |
57 | 28MM OD x 3.0MM THK x 6 MTR | 303 | 752 | - |
58 | 28MM OD x 4.0MM THK x 3 MTR | 404 | 1003 | - |
59 | 28MM OD x 5.0MM THK x 6 MTR | 505 | 1254 | - |
60 | 30MM OD x 2.0MM THK x 6 MTR | 188 | 468 | - |
61 | 30MM OD x 2.5MM THK x 6 MTR | 236 | 585 | 710733 |
62 | 30MM OD x 3.0MM THK x 6 MTR | 283 | 702 | - |
63 | 30MM OD x 4.0MM THK x 6 MTR | 377 | 936 | - |
64 | 30MM OD x 5.0MM THK x 6 MTR | 471 | 1170 | - |
65 | 35MM OD x 2.0MM THK x 6 MTR | 161 | 401 | - |
66 | 35MM OD x 2.5MM THK x 6 MTR | 202 | 501 | 710734 |
67 | 35MM OD x 3.0MM THK x 6 MTR | 242 | 602 | - |
68 | 35MM OD x 4.0MM THK x 6 MTR | 323 | 802 | 710735 |
69 | 35MM OD x 5.0MM THK x 6 MTR | 404 | 1003 | - |
70 | 38MM OD x 3.0MM THK x 6 MTR | 223 | 554 | - |
71 | 38MM OD x 4.0MM THK x 6 MTR | 297 | 739 | - |
72 | 38MM OD x 5.0MM THK x 6 MTR | 372 | 924 | - |
73 | 42MM OD x 2.0MM THK x 6 MTR | 135 | 334 | - |
74 | 42MM OD x 3.0MM THK x 6 MTR | 202 | 501 | - |
75 | 42MM OD x 4.0MM THK x 6 MTR | 269 | 669 | 710736 |
76 | 42MM OD x 5.0MM THK x 6 MTR | 336 | 836 | - |
77 | 50MM OD x 3.0MM THK x 6 MTR | 170 | 421 | - |
78 | 50MM OD x 5.0MM THK x 6 MTR | 283 | 702 | - |
79 | 60MM OD x 3.0MM THK x 6 MTR | 141 | 351 | - |
80 | 60MM OD x 5.0MM THK x 6 MTR | 236 | 585 | - |
81 | 65MM OD x 6.0MM THK x 6 MTR | 261 | 648 | - |
82 | 75MM OD x 3.0MM THK x 6 MTR | 113 | 281 | - |
83 | 1/8"NB x 2.41MM THK x 6 MTR | 649 | 1611 | - |
84 | 1/4"NB x 3.02MM THK x 6 MTR | 618 | 1536 | - |
Description | Working Pressure (Bar) | Burst Pressure (Bar) | IMPA CODE | |
85 | 3/8"NB x 3.2MM THK x 6 MTR | 523 | 1298 | - |
86 | 1/2"NB x 3.0MM THK x 6 MTR | 391 | 971 | - |
87 | 3/4"NB x 3.0MM THK x 6 MTR | 312 | 774 | - |
88 | 1"NB x 3.5MM THK x 6 MTR | 291 | 723 | - |
89 | 1"NB x 4.55MM THK x 6 MTR | 378 | 939 | - |
90 | 1 1/4"NB x 4.85MM THK x 6 MTR | 321 | 797 | - |
91 | 1 1/2"NB x 5.08MM THK x 6 MTR | 295 | 734 | - |
92 | 2 1/2"NB x 6.3MM THK x 6 MTR | NIL | 580 | - |
93 | 1/4"OD x 1.2MM THK x 6 MTR | 534 | 1327 | - |
94 | 1/4"OD x 1.5MM THK x 6 MTR | 668 | 1658 | - |
95 | 3/8"OD x 1.22MM THK x 6 MTR | 362 | 899 | - |
96 | 3/8"OD x 1.5MM THK x 6 MTR | 445 | 1105 | - |
97 | 1/2"OD x 1.5MM THK x 6 MTR | 334 | 829 | - |
98 | 3/4"OD x 2.0MM THK x 6 MTR | 297 | 737 | - |
99 | 3/4"OD x 2.64MM THK x 6 MTR | 392 | 973 | - |
100 | 1"OD x 3.0MM THK x 6 MTR | 334 | 829 | - |
101 | 1 1/4"OD x 3.0MM THK x 6 MTR | 267 | 663 | - |
102 | 1 1/4"OD x 3.25MM THK x 6 MTR | 289 | 719 | - |
Hydraulic Tube (ST52.4 NBK) Working Pressure Table:
Description | Working Pressure (Bar) | Burst Pressure (Bar) | IMPA CODE | |
103 | 10MM OD x 2.0MM THK x 6 MTR | 799 | 1919 | 710710 |
104 | 12MM OD x 2.0MM THK x 6 MTR | 666 | 1599 | 710714 |
105 | 14MM OD x 1.5MM THK x 6 MTR | 428 | 1028 | - |
106 | 14MM OD x 2.0MM THK x 6 MTR | 571 | 1371 | - |
107 | 15MM OD x 1.5MM THK x 6 MTR | 400 | 959 | 710716 |
108 | 15MM OD x 2.0MM THK x 6 MTR | 533 | 1279 | 710717 |
109 | 15MM OD x 2.5MM THK x 6 MTR | 666 | 1599 | 710718 |
110 | 16MM OD x 1.5MM THK x 6 MTR | 375 | 899 | 710719 |
111 | 16MM OD x 2.0MM THK x 6 MTR | 500 | 1199 | 710720 |
112 | 16MM OD x 3.0MM THK x 6 MTR | 749 | 1799 | - |
113 | 18MM OD x 1.5MM THK x 6 MTR | 333 | 800 | 710721 |
114 | 18MM OD x 2.0MM THK x 6 MTR | 444 | 1066 | 710722 |
115 | 20MM OD x 2.0MM THK x 6 MTR | 400 | 959 | 710724 |
116 | 20MM OD x 2.5MM THK x 6 MTR | 500 | 1199 | 710725 |
117 | 20MM OD x 3.0MM THK x 6 MTR | 599 | 1439 | 710726 |
118 | 22MM OD x 2.0MM THK x 6 MTR | 363 | 872 | 710727 |
119 | 25MM OD x 2.0MM THK x 6 MTR | 320 | 768 | 710729 |
120 | 25MM OD x 2.5MM THK x 6 MTR | 400 | 959 | 710730 |
121 | 25MM OD x 3.0MM THK x 6 MTR | 480 | 1151 | 710731 |
122 | 25MM OD x 4.0MM THK x 6 MTR | 639 | 1535 | - |
123 | 25MM OD x 5.0MM THK x 6 MTR | 799 | 1919 | - |
124 | 28MM OD x 2.0MM THK x 6 MTR | 285 | 685 | - |
125 | 28MM OD x 3.0MM THK x 6 MTR | 428 | 1028 | - |
126 | 30MM OD x 2.0MM THK x 6 MTR | 266 | 640 | - |
127 | 30MM OD x 3.0MM THK x 6 MTR | 400 | 959 | - |
128 | 30MM OD x 4.0MM THK x 6 MTR | 533 | 1279 | - |
129 | 35MM OD x 3.0MM THK x 6 MTR | 343 | 822 | - |
130 | 35MM OD x 4.0MM THK x 6 MTR | 457 | 1096 | 710735 |
131 | 38MM OD x 3.0MM THK x 6 MTR | 315 | 757 | - |
132 | 38MM OD x 4.0MM THK x 6 MTR | 421 | 1010 | - |
133 | 38MM OD x 5.0MM THK x 6 MTR | 526 | 1262 | - |
134 | 42MM OD x 3.0MM THK x 6 MTR | 285 | 685 | - |
135 | 42MM OD x 4.0MM THK x 6 MTR | 381 | 914 | 710736 |
136 | 42MM OD x 5.0MM THK x 6 MTR | 476 | 1142 | - |
137 | 45MM OD x 5.0MM THK x 6 MTR | 444 | 1066 | - |
138 | 50MM OD x 5.0MM THK x 6 MTR | 400 | 959 | - |
139 | 50MM OD x 6.0MM THK x 6 MTR | 480 | 1151 | - |
140 | 50MM OD x 10.0MM THK x 6 MTR | 799 | 1919 | - |
141 | 54MM OD x 6.0MM THK x 6 MTR | 444 | 1066 | - |
142 | 60MM OD x 5.0MM THK x 6 MTR | 333 | 800 | - |
143 | 60MM OD x 6.0MM THK x 6 MTR | 400 | 959 | - |
Description | Working Pressure (Bar) | Burst Pressure (Bar) | IMPA CODE | |
144 | 65MM OD x 8.0MM THK x 6 MTR | 492 | 1181 | - |
145 | 66MM OD x 8.5MM THK x 6 MTR | 515 | 1236 | - |
146 | 76.1MM OD x 6.3MM THK x 6 MTR | 331 | 794 | - |
147 | 80MM OD x 10.0MM THK x 6 MTR | 500 | 1199 | - |
148 | 90MM OD x 5.0MM THK x 6 MTR | 222 | 533 | - |
149 | 90MM OD x 10.0MM THK x 6 MTR | 444 | 1066 | - |
150 | 97MM OD x 12.0MM THK x 6 MTR | 494 | 1187 | - |
151 | 100MM OD x 10.0MM THK x 6 MTR | 400 | 959 | - |
152 | 115MM OD x 15.0MM THK x 6 MTR | 521 | 1251 | - |
153 | 120MM OD x 12.0MM THK x 6 MTR | 400 | 959 | - |
154 | 130MM OD x 15.0MM THK x 6 MTR | 461 | 1107 | - |
155 | 150MM OD x 15.0MM THK x 6 MTR | 400 | 959 | - |
156 | 190MM OD x 20.0MM THK x 6 MTR | 421 | 1010 | - |
157 | 2"OD x 5.9MM THK x 6 MTR | 464 | 1114 | - |
158 | 2"OD x 6.0MM THK x 6 MTR | 472 | 1133 | - |
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