2021 Good Quality Carbon Welded Steel Pipe - ASTM Q235 GR.B Seamless Steel Pipe – Royal Group
2021 Good Quality Carbon Welded Steel Pipe - ASTM Q235 GR.B Seamless Steel Pipe – Royal Group Detail:
Product Detail
|
Product Name |
ASTM Q235 GR.B Seamless Steel Pipe |
|
Material |
10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35 |
|
Wall Thickness |
4.5MM~60MM |
|
Outer Diameter |
21.3MM~762MM |
|
Length |
Length:Single random length/Double random length |
| 5m-14m,5.8m,6m,10m-12m,12m or as customer’s actual reques | |
|
Standard |
API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS |
| 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 | |
|
Grade |
10#-45#, 16Mn, A53-A369, Q195-Q345, ST35-ST52 |
| Grade A, Grade B, Grade C | |
|
Section Shape |
Square, Rectangular, Round, |
|
Technique |
Seamless Steel Pipe |
|
Packing |
Bundle, or with all kinds of colors PVC or as your requirements |
|
Pipe Ends |
Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
|
MOQ |
1 Tons, more quantity price will be lower |
|
Surface Treatment |
1. Galvanized |
| 2. PVC,Black and color painting | |
| 3. Transparent oil,anti-rust oil | |
| 4. According to clients requirement | |
|
Product Application |
1. Fence, greenhouse, door pipe,greenhouse |
| 2. Low pressure liquid, water, gas, oil, line pipe | |
| 3. For both indoor and outdoor the building construction | |
| 4. Widely used in scaffolding construction which is much cheaper and convenient | |
|
Origin |
Tianjin China |
|
Certificates |
ISO9001-2008,SGS.BV,TUV |
|
Delivery Time |
Usually within 10-45 days after receipt of advance payment |
Main Application

1.Fluid / Gas delivery, Steel structure, Construction;
2.ROYAL GROUP ERW/Welded round carbon steel pipes, which with Highest quality and strong supply ability are widely used in Steel structure and Construction.
Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Size Chart
|
DN |
OD Outside Diameter |
ASTM Q235 GR.B Seamless Steel Pipe |
BS1387 EN10255 |
||||
|
SCH10S |
STD SCH40 |
LIGHT |
MEDIUM |
HEAVY |
|||
|
MM |
INCH |
MM |
(mm) |
(mm) |
(mm) |
(mm) |
(mm) |
| 15 | 1/2” | 21.3 | 2.11 | 2.77 | 2 | 2.6 | - |
| 20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
| 25 | 1” | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
| 32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
| 40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
| 50 | 2” | 60.3 | 2.77 | 3.91 | 2.9 | 3.6 | 4.5 |
| 65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.2 | 3.6 | 4.5 |
| 80 | 3” | 88.9 | 3.05 | 5.49 | 3.2 | 4 | 5 |
| 100 | 4” | 114.3 | 3.05 | 6.02 | 3.6 | 4.5 | 5.4 |
| 125 | 5” | 141.3 | 3.4 | 6.55 | - | 5 | 5.4 |
| 150 | 6” | 168.3 | 3.4 | 7.11 | - | 5 | 5.4 |
| 200 | 8” | 219.1 | 3.76 | 8.18 | - | - | - |
Process of production
First of all, raw material uncoiling: The billet used for it is generally steel plate or It is made of strip steel, then the coil is flattened, the flat end is cut and welded-looper-forming-welding-inner and outer weld bead removal-pre-correction-induction heat treatment-sizing and straightening-eddy current testing-cutting- Water pressure inspection—pickling—final quality inspection and size test, packaging—and then out of the warehouse.
Product Inspection

Packing and Transportation
Packaging is generally naked, steel wire binding, very strong.
If you have special requirements, you can use rust proof packaging, and more beautiful.


Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)


Our Customer
FAQ
Q: Are u a manufacturer?
A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China
Q: Can I have a trial order only several tons?
A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)
Q: Do u have payment superiority?
A: For big order, 30-90 days L/C can be acceptable.
Q: If sample free?
A: Sample free, but the buyer pays for the freight.
Q: Are you gold supplier and do trade assurance?
A: We seven years cold supplier and accept trade assurance.
Product detail pictures:
Related Product Guide:
Dedicated to strict high-quality management and considerate purchaser support, our experienced employees members are usually available to discuss your specifications and be certain full shopper satisfaction for 2021 Good Quality Carbon Welded Steel Pipe - ASTM Q235 GR.B Seamless Steel Pipe – Royal Group , The product will supply to all over the world, such as: St. Petersburg, Manila, Seattle, Our product quality is one of the major concerns and has been produced to meet the customer's standards. Customer services and relationship is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!







