ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | About 10000 ton / month |
| Delivery Time | 60-75days |
| Packaging Details | seaworthy packing for exporting |
| Steel grade | GR.A ,B,C |
| Application | Boiler, heat exchangers, condensers, and similar heat transfer apparatus |
| Standard | A179,SA179,A178 |
| Surface | BLACK,OILED |
| OD | 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2) |
| WT | 0.89,1,1.2,1.5,2MM... |
| Brand Name | HDT |
| Model Number | ASTM A179, ASME SA179,A178 |
| Certification | ISO9001-2008, API 5L, API 5CT |
| Place of Origin | China(Mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | About 10000 ton / month |
| Delivery Time | 60-75days | Packaging Details | seaworthy packing for exporting |
| Steel grade | GR.A ,B,C | Application | Boiler, heat exchangers, condensers, and similar heat transfer apparatus |
| Standard | A179,SA179,A178 | Surface | BLACK,OILED |
| OD | 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2) | WT | 0.89,1,1.2,1.5,2MM... |
| Brand Name | HDT | Model Number | ASTM A179, ASME SA179,A178 |
| Certification | ISO9001-2008, API 5L, API 5CT | Place of Origin | China(Mainland) |
| High Light | pickling stainless steel pipe ，annealed copper pipe | ||
Carbon steel seamless Boiler Pipe, U bend Pipe, ASTM A179 ,A178 Gr.B, 19.05MM, Bright Annealed
Seamless cold-drawn pipe for Piping heat exchangers, condensers, and similar heat transfer apparatus.This pipe shall be made by the cold drawn process.
Chemistry Composition:
| C, % | Mn, % | P, % | S, % |
|
0.06-0.18 | 0.27-0.63 | 0.035 max | 0.035 max |
Mechanical Properties:
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HRB |
| 325 min | 180 min | 35 min | 72 max |
A179 black steel pipe minimum carbon content is 0.06%. The seamless steel tube minimum tensile strength of 325MPa, yield strength of 180MPa.The minimum elongation of A179 seamless pipe is 20%.
ASTM A179 Steel Pipes Application:
A179 seamless steel pipe is widely used in industries such as petroleum, chemical, medical, food, light industry, machinery, instrument, include industrial pipeline and mechanical structure parts, etc.
Standard:ASTM A179
Delivery time : Promptly ( Stock) or 10-40 days (Production) Stock : some are Available MTC: Available
Main ASTM A179 (ASME SA179) cold drawn steel tube:
This is an effective way of metal corrosion, the use of the main features are the following:
1. ASTM A179 cold drawn seamless pipe manufacturers with thick dense dense zinc layer covered in the cold drawn seamless tube surface, it can avoid cold drawn seamless tube matrix and any contact with the corrosion solution to protect the steel matrix from corrosion. In the general atmosphere, the surface of the zinc layer to form a layer of thin and dense zinc oxide surface, it is difficult to dissolve in water, so the steel matrix plays a protective role. If zinc oxide and other components of the atmosphere produce insoluble zinc salt, the anti-corrosion effect is more desirable.
2. With iron - zinc alloy layer, combined with dense, and with the unique anti-corrosion in the marine atmosphere and atmospheric atmosphere.
3. ASTM A179 cold drawn seamless pipe with a strong wear resistance due to the combination of solid, zinc - iron miscible.
4. Since zinc has good ductility, its alloy layer and steel base attached to a solid, so hot-rolled parts can be cold, rolling, drawing, bending and other molding without damage to the coating.
5. Hot-dip galvanized structural steel pipe, the equivalent of an annealing treatment, can effectively improve the mechanical properties of steel matrix to eliminate the steel forming welding stress, is conducive to the steel structure for turning.
6. The surface of cold drawn seamless pipe after hot galvanized is bright and beautiful.
7. Pure zinc layer is the most hot galvanized layer of galvanized layer, its nature is basically close to pure zinc, with ductility, so it is full of flexibility.
Outside Diameter & Tolerance
| Outside Diameter, mm | Tolerance, mm |
| 3.2≤OD＜25.4 | ±0.10 |
| 25.4≤OD≤38.1 | ±0.15 |
| 38.1＜OD＜50.8 | ±0.20 |
| 50.8≤OD＜63.5 | ±0.25 |
| 63.5≤OD＜76.2 | ±0.30 |
| 76.2 | ±0.38 |
Wall thickness & Tolerance
| Outside Diamter, mm | Tolerance, % |
| 3.2≤OD＜38.1 | +20/-0 |
| 38.1≤OD≤76.2 | +22/-0 |
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; ...
Max length: 27000mm, also U bending can be offered.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1985
Total Annual:
100000000-110000000
Employee Number:
600~700
Ecer Certification：
Verified Supplier
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid... Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid...
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