ASTM A709/A709M Grade 100W Type C Introduce
ASTM A709/A709M Grade 100W Type C steel is a hot-rolled steel plate designed for enhanced corrosion resistance in certain applications. It has a higher corrosion resistance than conventional carbon steel, making it well suited for use in arduous conditions such as those encountered in outdoor storage tanks, roadside barriers, and marine applications. ASTM A709/A709M Grade 100W Type C is available in several grades, each with unique chemical properties.
Smelting temperature:1115°C - 1218°C
Application:Structural steel for bridge
ASTM A709/A709M Grade 100W Type C Material Chemical Composition
The chemical composition of the ASTM A709/A709M Grade 100W Type C steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 0.1500 | 0.3000 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0350 |
| Molybdenum (Mo) | 0.1500 | 0.3000 |
| Manganese (Mn) | 1.1000 | 1.5000 |
| Carbon (C) | 0.1000 | 0.2000 |
| Boron (B) | 0.0010 | 0.0050 |
ASTM A709/A709M Grade 100W Type C Material Mechanical Properties
Tensile strength is a measure of the maximum load applied to an object before it deforms, breaks, or is otherwise mechanically stressed. ASTM A709/A709M Grade 100W Type C steel has an exceptional combination of high strength and ductility, allowing it to withstand heavy loads without fracturing or losing shape. The tensile strength of the steel ranges from 485MPa to 620MPa, depending on the grade and alloy combination.
The mechanical properties of the ASTM A709/A709M Grade 100W Type C steel are as follows:
| YieldRp0.2 | ≤ 494 (MPa) |
| TeileRm | ≤ 492 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 324 |
ASTM A709/A709M Grade 100W Type C Material Thermal Properties
The thermal performance parameters of the ASTM A709/A709M Grade 100W Type C steel are as follows:
| Temperature (°C) | 11 | 568 | 426 |
| Modulus of elasticity (GPa) | - | 916 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 341 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.41 | - | - |
| Deity (kg/dm³) | - | - | 433 |
| Poisson’s coefficient, ν | - | - | 213 |