Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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Product Description
YUHONG ASTM A179 Seamless Heat Exchanger Tube Cold Drawn, with 100% ET/HT
| Standard | ASTM A179, |
| Material | Carbon Steel |
| Size | WT: 1-15mm; OD: 6-168mm; Length: max 33000mm |
| Applications | For Heat-Exchangers, Cold Condensers and High-Pressure Services, High-Temperature Services for H Constructions |
| Manufacture | Tubes are manufactured by seamless process and both hot finished and cold finished are applicable. |
| Heat treatment | Hot finished tubes need not be heat treated. Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
Chemical Composition
| C | Mn | P | S | Si |
| 0.06-0.18 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≤0.25 |
Mechanical Properties
| Tensile Streghth, min ksi [Mpa] | Yield Point, min ksi [Mpa] | Elongation, % |
| 47[325] | 26[180] | ≥35% |
Hardness
| Brinell Hardness | Rockwell Hardness Number |
| WT≥0.200in(5.1mm) | WT<0.200in(5.1mm) |
| 137HRB | 77HRB |
Tolerance for OD and WT(SA-450/SA-450M)
| OD in(mm) | + | - | WT in(mm) | + | - |
| <1''(25.4) | 0.10 | 0.10 | ≤1.1/2''(38.1) | 20% | 0 |
| 1''~1.1''(25.4~38.1) | 0.15 | 0.15 | >1.1/2''(38.2) | 22% | 0 |
| >1.1/2''~<2''(38.1~50.8 | 0.20 | 0.20 | | | |
| 2''~<2.1/2''(50.8~63.5) | 0.25 | 0.25 | | | |
| 2.1/2''~<3''(63.5~76.2) | 0.30 | 0.30 | | | |
| 3''~<4''(76.2~101.6) | 0.38 | 0.38 | | | |
| 4''~<7.1/2''(101.6~190.5) | 0.38 | 0.64 | | | |
| >7.1/2~9''(190.5~228.6) | 0.38 | 1.14 | | |
Product Details
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