China Factory for 3×3 Square Tube - ASTMA53 ASTM A106 GrB Seamless Steel Pipe SMLS SCH40 – Baowusteel company Detail:
Seamless Pipe Specification
| OD | 1”-20 inch (23-508mm) |
| Thickness | 3-20mm (SCH10, SCH 40, SCH 80, SCH 160) |
| Length | 1-12m, single length, random length |
| International standard | ASTM A53, ASTM A106, API 5L, ect. |
| Material: | Grade B |
| Technique | Hot rolled (other technique: cold rolled, cold drawn) |
| Surface Treatment | Black Painting, Anti-Corrosion Oil, Galvanized, As Requirements |
| Pipe end Connections | Plain, Bevel, Screwed, Threaded |
Seamless Pipe Size Chart
| OD | WT | |||||||||||||
| A | B | ASME | SCH10 | SCH20 | SCH30 | STD | SCH40 | SCH60 | XS | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 |
| 15 | 1/2″ | 21.3 | 2.11 | – | 2.41 | 2.77 | 2.77 | – | 3.73 | 3.73 | – | 4.78 | ||
| 20 | 3/4″ | 26.7 | 2.11 | – | 2.41 | 2.87 | 2.87 | – | 3.91 | 3.91 | – | 5.56 | ||
| 25 | 1″ | 33.4 | 2.77 | - | 2.9 | 3.38 | 3.38 | – | 4.55 | 4.55 | – | 6.35 | ||
| 32 | 1.1/4″ | 42.2 | 2.77 | – | 2.97 | 3.56 | 3.56 | – | 4.85 | 4.85 | – | 6.35 | ||
| 40 | 1.1/2″ | 48.3 | 2.77 | – | 3.18 | 3.68 | 3.68 | – | 5.08 | 5.08 | – | 7.14 | ||
| 50 | 2″ | 60.3 | 2.77 | – | 3.18 | 3.91 | 3.91 | – | 5.54 | 5.54 | – | 8.74 | ||
| 65 | 2.1/2″ | 73 | 3.05 | – | 4.78 | 5.16 | 5.16 | – | 7.01 | 7.01 | – | 9.53 | ||
| 80 | 3″ | 88.9 | 3.05 | – | 4.78 | 5.49 | 5.49 | – | 7.62 | 7.62 | – | 11.13 | ||
| 90 | 3.1/2″ | 101.6 | 3.05 | – | 4.78 | 5.74 | 5.74 | – | 8.08 | 8.08 | – | |||
| 100 | 4″ | 114.3 | 3.05 | – | 4.78 | 6.02 | 6.02 | - | 8.56 | 8.56 | – | 11.13 | 13.49 | |
| 125 | 5″ | 141.3 | 3.4 | – | – | 6.55 | 6.55 | – | 9.53 | 9.53 | – | 12.7 | 15.88 | |
| 150 | 6″ | 168.3 | 3.4 | – | – | 7.11 | 7.11 | – | 10.97 | 10.97 | – | 14.27 | 18.26 | |
| 200 | 8″ | 219.1 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 |
| 250 | 10″ | 273 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 |
| 300 | 12″ | 323.8 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 |
| 350 | 14″ | 355.6 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 |
| 400 | 16″ | 406.4 | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.19 |
| 450 | 18″ | 457.2 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 | 23.83 | 39.36 | 34.93 | 39.67 | 45.24 |
| 500 | 20″ | 508 | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 |
Pipe Surface Treatment:
Bare(no surface finish), black painted, galvanized, red painted , marked standard and size.
The pipe surface treatment is according to requirement.

Pipe End Treatment:
Plain end, beveled end with caps, rolled grooved end.
The pipe end treatment is according to requirement.

Packing And Shipping:
Package:
1. in bundle tied with steel straps, no other package.
2.In bundle, wrapped with plastic cover package,tied with steel straps,each end with nylon straps.
Shipping:
1.Loading by container.
2.Loading by bulk shipment.

Production Process

FAQ
1. To get an exact price, please send us below details for your inquiry:
(1) Thickness
(2) OD (out diameter)
(3) Pipe length
(4) Black painted surface, galvanized surface, or no surface treatment.
(5) Standard or material grade
(6) Quantity
2. What kind of package will I get?
– Generally it will be standard exporting package. We can supply the package according to customers’ requirement.
Find more information from “packing & shipping” item above.
3. About the “oiled” surface .
–Oiled surface is to prevent the steel from getting rust. While not all customers want the oiled surface. Generally we supply the product without oiled surface.
4. Customized Requirement.
–Product is available customized on thickness, OD, surface coating thickness, logo printing, packing. As each requirement is customized, so please contact our sales to get exact answer.
6.Do you supply sample?
–Yes, we provide sample. Generally sample is free of charge.
While international courier isn’t free. We will return the courier cost once we cooperate.
Sample will be sent by air courier when weight less than 1kg.
Product detail pictures:



Related Product Guide:
Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for China Factory for 3×3 Square Tube - ASTMA53 ASTM A106 GrB Seamless Steel Pipe SMLS SCH40 – Baowusteel company, The product will supply to all over the world, such as: Japan, Haiti, Uganda, With a fully integrated operation system, our company has won a good fame for our high quality products, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
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