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The welded steel pipe is formed by welding a steel plate rolled into a tubular shape by a seam or a spiral seam. In terms of the manufacturing method, it is further divided into a welded steel pipe for low-pressure fluid transportation, a spiral-welded electric steel pipe, a direct-wound welded steel pipe, an electric welded pipe, and the like. Seamless steel tubes can be used in a variety of liquids, gas pipelines, and the like. Welded pipes can be used for water pipes, gas pipes,heating pipes, etc.
COLD ROLLED BLACK ROUND AND SHS/RHS STEEL TUBE
ROUND PIPE
SQUARE PIPE
RECTANGULAR TUBE
OVAL TUBE
SIZE(mm)
thickness(mm)
SIZE(mm)
THICKNESS(mm)
size(mm)
thickness(mm)
size(mm)
thickness(mm)
14
0.6-1.0
12*12
0.6-1.0
10*20
0.6-1.2
15*30
0.6-1.5
16
0.6-1.4
15*15
0.6-1.2
12.5*25
0.6-1.3
20*40
0.6-1.8
19
0.6-1.5
16*16
0.6-1.3
13*26
0.6-1.5
19*49
0.6-1.8
20
0.6-1.5
18*18
0.6-1.3
13*38
0.6-1.5
20*50
0.6-1.8
22
0.6-1.5
19*19
0.6-1.5
15*30
0.6-1.5
25*50
0.6-1.8
25
0.6-1.8
20*20
0.6-1.5
16*36
0.6-1.5
30*60
0.7-1.8
25.4
0.6-1.8
22*22
0.6-1.5
17*37
0.6-1.5
L / T / Z SHAPE TUBE
28
0.6-1.8
23*23
0.6-1.5
17*42
0.6-1.5
SIZE
THICKNESS
28.6
0.7-1.8
24*24
0.6-1.5
19*38
0.6-1.5
28L/T/Z
0.7-1.5
30
0.7-1.8
25*25
0.6-1.5
20*30
0.6-1.5
38L/T/Z
0.7-1.5
32
0.7-1.8
28*28
0.6-1.5
20*40
0.6-1.5
34L/T/Z
0.7-1.5
34
0.7-1.8
30*30
0.6-1.5
20*50
0.6-1.5
42/L/T/Z
0.7-1.5
35
0.7-1.8
32*32
0.6-1.5
30*40
0.6-1.5
If you have more requirements
It can be customized .
38
0.7-1.8
35*35
0.6-1.5
25*40
0.6-1.5
40
0.7-1.8
36*36
0.6-1.5
25*50
0.6-1.5
42
0.7-1.8
37*37
0.6-1.5
27*40
0.6-1.5
45
0.7-1.8
38*38
0.6-1.5
30*50
0.7-1.5
48
0.7-1.8
40*40
0.6-1.5
30*60
0.7-1.5
50
0.7-1.8
47*47
0.7-1.5
40*60
0.7-1.5
58
0.8-1.8
50*50
0.8-1.8
40*80
0.8-1.5
60
0.8-1.8
60*60
0.8-1.8
25*38
0.6-1.5
| Product name | carbon round steel tube/pipe |
| Out diameter | 21.3mm-610mm, 1/2"-24" |
| Wall Thickness | 2.77mm-50mm, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc |
| Length | 1m-12m |
| Standard | API 5L, API 5CT, ASTM A53, ASTM A106,ASTM A252, ASTM A795, BS1387, EN10255, EN10219, EN10217, DIN2440/2444, ISO3183, ISO11960, JISG3444, JISG3454 etc. |
| Material/steel grade |
A, B, X42, X46, X52, X56, X60, X65, X70, L175, L175P, L210, L245, L290, L320, L360, L390, L415, L450, L485, BR, X42R, BN, X42N, X46N, X52N, X56N, X60N, BM, X42M, X46M, X52M, X56M, X60M, X65M, X70M, X80M, X90M, X100M, L245N, L290N, L320N, L360N, L390N, L415N, L245M, L290M, L320M, L360M, L390M, L415M, L450M, L485M, L555M, L625M, L690M, H40, J55, K55, M65, L80, C95, N80, Q125, S235GT, S195T, Grade 1, Grade 2, Grade 3, ST33-2, St33, St37, St42, St34-2, St37-2, St42-2, St52-3, P195, P235, P265, S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLH, S275MH, S275MLH, S355MH, S355MLH, S420MH, S420MLH, S460MH, S460MLH, STK290, STK400, STK490, STK500, STK540, STPG370, STPG410 etc. |
| End | Plain end, beveled, cut square, grooved, threaded and coupling, etc. |
| Finish | Bare, varnished, black lacquer, Bitumen Coating, zinc coating, anti-corrosion coating, 3PE, FBE, Epoxy, Cement Mortar, as per customer's requirement |
| Test |
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test. Mill Test CertificateEN 10204/3.1B |
| Application |
Line pipe for use in pipeline transportation systems in the petroleum and natural gas industries - for use as casing and tubing for wells, screwed and socketed steel tubes and tubulars and for plain end steel tubes - suitable for welding or for screwing to BS21 pipe threads, loose steel tubes, scaffolds - used for the conveyance of fluids as well as for other applications, applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in-place concrete piles - for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes - suitable for nominal pressure 25 for liquids and nominal pressure 10 for air and non-hazardous gases - pressure purposes - applies to structural hollow sections - general structure purpose and pressure service etc. |
| Product name | carbon shs/rhs steel tube/pipe | |
| Size | OD | 20*20-500*500MM |
| Wall Thickness | 0.6 mm-15mm | |
| Length | 1-12M | |
| Standard | ASTM A 500 Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes | |
| BS EN 10219-2 :2006 Cold formed welded structural hollow sections finegrain steels | ||
| Steel Grade | S235, S235JR, S235 G2H, S275, S275JR, S355JRH ,S355J2H | |
| St33, St37, St44, ST52 | ||
| JIS G3444 STK290,STK400,STK500,STK490,STK540 | ||
| Steel material | Q195 → SS330,ST37,ST42 | |
| Q235 → SS400,S235JR | ||
| Q345 → S355JR,SS500,ST52 | ||
| Zinc Weight | 40g,60g,80g,100g,120g,270g,400g,500g,550g | |
| 7μm ,8μm, 15μm ,20μm ,40μm ,60μm,70μm,80μm | ||
| Usage | 1)Low Pressure Liquid, Water, Gas, Oil, Line Pipe | |
| 2)Construction , Structure | ||
| 3)Agriculture fence post , door pipe | ||
Q.What kind of work does your company do?
A:Our company is a professional manufacturer.
We mainly produces stainless steel and carbon steel and even galvanized products.Such as plate/pipe/coil/round bars/sections,etc.
Q. Do you provide free samples?
A:Yes, we can provide free sample for testing.
Q. How long is your delivery time?
A:Generally it is 7-15 days.if the goods are not in stock,it is according to quantity.
Q. How can we guarantee quality?
A:Always a pre-production sample before mass production; always final Inspection before shipment.
Q:What are the advantages of your company?
A:
(1): Prime quality and reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be customized as your requirements.
Q. What is your terms of payment ?
A:We accept T/T ,L/C ,Western union, paypal,etc.
The payment method can be negotiated by both parties according to the actual situation.
Q:What are the advantages of your company?
A:
(1): Prime quality and reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements.
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Main Product:
Galvanized Steel Pipe,
Rectangular Tube,
Welded Steel Pipe,
Carbon Steel Coil ,
Stainless Steel,
Seamless Steel Pipe
