ASTM A672 Grade J80 Class 1 Type E Introduce
The advantages ASTM A672 Grade J80 Class 1 Type E offers include:
• Its high strength, which allows it to withstand elements of extreme weather and pressure.
• Its corrosion resistance, which allows it to last longer in challenging environments.
• Its ductility, which allows it to be easily shaped.
• Its weldability, which makes it ideal for pipe assembly and fabrication.
• Its accuracy, which makes it desirable for precision tubing, parts and components.
• Its consistency, which enables it to be machined with more accuracy.
• Its cost-effectiveness, which makes it a favored choice for many applications.
ASTM A672 Grade J80 Class 1 Type E can be found in a variety of industries, including agricultural, manufacturing, construction, and automotive. Because of its durability and strength, it is a preferred choice for many applications requiring pipe and tubing.
Smelting temperature:1261°C - 1784°C
Application:Medium temperature and high pressure electric welding steel pipe
ASTM A672 Grade J80 Class 1 Type E Material Chemical Composition
The chemical composition of the ASTM A672 Grade J80 Class 1 Type E steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | - | 0.2000 |
| Manganese (Mn) | 1.1500 | 1.7000 |
| PhOsphorus (P) | - | 0.0200 |
| Sulfur (S) | - | 0.0150 |
| Silicon (Si) | 0.1500 | 0.4000 |
| Nickel (Ni) | 0.6000 | 1.0000 |
| Chromium (Cr) | - | 0.6000 |
| Molybdenum (Mo) | 0.2500 | 0.6000 |
ASTM A672 Grade J80 Class 1 Type E Material Mechanical Properties
The mechanical properties of the ASTM A672 Grade J80 Class 1 Type E steel are as follows:
| YieldRp0.2 | ≤ 775 (MPa) |
| TeileRm | ≤ 636 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 23% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 433 |
ASTM A672 Grade J80 Class 1 Type E Material Thermal Properties
The thermal performance parameters of the ASTM A672 Grade J80 Class 1 Type E steel are as follows:
| Temperature (°C) | 34 | 211 | 949 |
| Modulus of elasticity (GPa) | - | 272 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 113 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 143 |
| Poisson’s coefficient, ν | - | - | 341 |