Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | TT OR LC |
| Supply Ability | 5000T PER MONTH |
| Delivery Time | 30DAYS |
| Packaging Details | Plastic packing, oiling, wooden box |
| Type | Seamless boiler tube |
| Technique | cold drawing, cold rolled |
| OD. Range | 6mm – 137mm |
| Wall thickness | 1mm-20mm |
| Length | Max length 12M |
| Standard | ASTM A179 |
| Brand Name | Joyruns |
| Model Number | 6mm --137mm |
| Certification | ISO9000 |
| Place of Origin | CHANGZHOU, CHINA |
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Product Specification
| Payment Terms | TT OR LC | Supply Ability | 5000T PER MONTH |
| Delivery Time | 30DAYS | Packaging Details | Plastic packing, oiling, wooden box |
| Type | Seamless boiler tube | Technique | cold drawing, cold rolled |
| OD. Range | 6mm – 137mm | Wall thickness | 1mm-20mm |
| Length | Max length 12M | Standard | ASTM A179 |
| Brand Name | Joyruns | Model Number | 6mm --137mm |
| Certification | ISO9000 | Place of Origin | CHANGZHOU, CHINA |
| High Light | ASTM A179 Seamless Boiler Tubes ，12M Seamless Boiler Tubes ，20mm Seamless Mild Steel Tube | ||
ASTM A179 Heavy Wall Steel Tube For steam condensers and similar heat transfer apparel
ASTM A179 Tubes Shall Be Made By The Seamless Process And Shall Be Cold Drawn. Heat And Product Analysis Shall Be Performed Wherein Steel Materials Shall Conform To Required Chemical Compositions Of Carbon, Manganese, Phosphorus, And Sulfur. The Steel Materials Shall Also Undergo Hardness Test, Flattening Test, Flaring Test, Flange Test, And Hydrostatic Test.
ASTM A 179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel pipe is supplied and produced by cold drawing.
The chemical composition contains carbon, manganese, phosphorus, and sulfur. The test required: hardness test, flattening test, flaring test, flange test, and hydrostatic test.
Specifications:
Grade and Chemical Composition ( ％ ) & Mechanical properties
| Standard | Grade | Chemical Component (%) | Mechanical Properties | ||||||
| C | Si | Mn | P | S | T.S.(Mpa) | Y.S.(Mpa) | Elongation | ||
| ASTM179 | A179 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | ≥35 (%) |
Mechanical properties
| OD In (mm) | + | - | WT In(mm) | + | - |
| < 1(25.4) | 0.10 | 0.10 | ≤ 1.1/2(38.1) | 20% | 0 |
| 1 to 1.1/2(25.4 to 38.1) | 0.15 | 0.15 | > 1.1/2(38.2) | 22% | 0 |
| > 1.1/2 to < 2(38.1 to 50.8) | 0.20 | 0.20 |
|
|
|
| 2 to < 2.1/2(50.8 to 63.5) | 0.25 | 0.25 |
|
|
|
| 2.1/2 to < 3(63.5 to 76.2) | 0.30 | 0.30 |
|
|
|
| 3 to 4(76.2 to 101.6) | 0.38 | 0.38 |
|
|
|
| > 4 to 7.1/2(101.6 to 190.5) | 0.38 | 0.64 |
|
|
|
| > 7.1/2 to 9(190.5 to 228.6) | 0.38 | 1.14 |
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| |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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