Hot Galvanized Hollow Section China Hot Selling Galvanized Steel Tube
Product Description
| Index | ASTM A53 |
| Black pipe, hot-digged galvanized welded steel pipe , and seamless steel pipe under ASTM A53 | |
| O.D.Tolerances of Pipe Body (mm) | ≤+-1.0% |
| Tolerances of Pipe Body (mm) | ≤+-1.0% |
| Tolerances of Wall Thickness (mm) | ≤+-12.5% |
| Tolerances of Weight | ≤+-1.0% |
| Straightness(mm) | The finished Pipe shall be flat and straight |
(1)Galvanized steel pipe is an effective way of metal corrosion, mainly used in various sectors of the metal structure facilities .
(2)The piece of steel will rust after 500 °C, melting immersed in molten zinc, the zinc coating steel components attached to the surface, and thus play a preservative purposes.
| Black pipe, hot-digged galvanized welded steel pipe , and seamless steel pipe under ASTM A53 | ||||||
Nomina l size |
O.D.(mm) |
W.T.(mm) |
Weight Grade |
Sch |
Grade A Test Pressure (Mpa) |
Weight (black pipe) Plain End (kg/m) |
| 1/2 | 21.3 | 2.77 | STD | 40 | 4.83 | 1.27 |
| 3/4 | 26.7 | 2.87 | STD | 40 | 4.83 | 1.69 |
| 1 | 33.4 | 3.38 | STD | 40 | 4.83 | 2.50 |
| 1-1/4 | 42.2 | 3.56 | STD | 40 | 8.27 | 3.39 |
| 1-1/2 | 48.3 | 3.68 | STD | 40 | 8.27 | 4.05 |
| 2 | 60.3 | 3.91 | STD | 40 | 15.86 | 5.44 |
| 2-1/2 | 73.0 | 5.16 | STD | 40 | 17.24 | 8.63 |
| 3 | 88.9 | 5.49 | STD | 40 | 15.31 | 11.29 |
| 4 | 114.3 | 6.02 | STD | 40 | 13.10 | 16.07 |
| 5 | 141.1 | 6.55 | STD | 40 | 11.5 | 21.73 |
| 6 | 168.3 | 7.11 | STD | 40 | 10.5 | 28.26 |
| Grade and Chemical Composition & Mechanical Properties | |||||||||
| Grade | Class | (Chemical Composition)% | Tensile Strength σ | Yield Strebgth | Elongation δ | ||||
| C | Mn | Si | S | P | T.SMPa | Re MPa | E.L% | ||
| (Not More Than) | (Not Less Than) | ||||||||
| ASTMA53 | A | 0.25 | 0.95 | 0.55 | 0.045 | 0.050 | 330 | 205 | |
| B | 0.30 | 1.20 | 0.55 | 0.045 | 0.050 | 415 | 240 | ||
Galvanized steel pipe process:
Finished the ways of pickling - washing - plus help bath - drying - rack - cooling - pharmaceutical - cleaning - polishing - completion and so on. And It has more than 140 years of history.
Production Flow
Related Products
Packaging & Shipping
| PACKAGING & SHIPPING | |
| Packing |
1.Big OD: in bulk vessel 2.Small OD: packed by carton 3.according to the requirements of customers |
| Main Market | Middle East, Africal, Asia and some European country and America Australia |
| Productivity | 30,000 Metric Tons per Month |
| Payment terms | T/T, L/C, D/P |
| Terms of trade | FOB, CIF, CFR |
| Lead time | 10-30days after we received advanced payment |
Company Information
Tianjin Bridge Steel Co., Ltd, is located at Daqiuzhuang Industrial Park of Tianjin, China, which is a Hot Galvanized Hollow Section China Hot Selling Galvanized Steel Tube manufacturer and has specialized in exporting steel products for more than 10 years.
We have 3 production lines, with the annual output reaching 120,000 tons, and our products are widely sold overseas, including South America, North America, Europe, Australia, Africa, the Middle East and Southeast Asia, with annual export sales reaching 30,000 tons.
We emphasize “Three Goods” and “One Fairness”, that is good quality, good credibility, good service and reasonable price. You are welcome to call or visit us to have further business talks. Let’s join hands to build a brighter future.
FAQQ: Are you a manufacturer or trading company?
A: We are a specialized steel pipe factory.
Q: How about the delivery terms?
A: 1.Payment: T/T, Western Union, Paypal,30% deposit in advance and balance before delivery.
2.Min. Order Quantity :100KG , or as required.
3.Transportation: By express(DHL, TNT, FedEx), air, sea, and train.
Q: How about discount?
A: Price is bassed on products and order quantity.
Q: Do you accept sample order?
A: Yes, sure. please contact us for details.
Q: How about your after-sales service?
A: As a professional steel exporter, we offer promote technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Modern always makes a serious inspection for all products and raw materials in strict procedure.
Profile Steel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, Hot Galvanized Hollow Section China Hot Selling Galvanized Steel Tube mechanical systems such as ventilation, air conditioning, and other mechanical systems. Strut channel is also used for other applications Profile Steel that require a strong framework, such as workbenches, shelving systems, equipment racks, etc. Specially made sockets are available to tighten nuts; bolts etc.
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Profile Steel is equipped with excellent equipments including two sets 1450 reversible rolling mills,Hot Galvanized Hollow Section China Hot Selling Galvanized Steel Tube three sets 1150 reversible rolling mills, two sets galvanizing & galvalume lines, two sets color coating lines, one set correcting machine, and one set pickling line.