10 Questions
an alloy with iron and carbon being the primary elements
steel
iron-carbon alloys with greater amounts of carbon
cast iron
a steel with a major chemical ingredients are iron, carbon, and manganese
Carbon-manganese steels
less malleable and harder than mild steel.
steel
_______contains carbon as the alloy
mild steel
Mild steel contains carbon as the alloy, whereas ________ includes chromium.
stainless steel
structural steels with improved atmospheric corrosion resistance
weathering steel
a steel that is extensively used for bridges and has been used externally on some building
weathering steel
_______in plates, bars, and shapes with a thickness of less than 8 in (203 mm) has a minimum yield strength of 36,000 psi (250 MPa) and ultimate tensile strength of 58,000–80,000 psi (400–550 MPa). Plates thicker than 8 in have a 32,000 psi (220 MPa) yield strength and the same ultimate tensile strength of 58,000–80,000 psi (400–550 MPa).
A36 steel
list at least 5 advantages of steel as a structural materials(from 1-5 in order)
high strength, uniformity, elasticity, permanence, ductility
Study Notes
Iron-Carbon Alloys
- Iron-carbon alloys with higher carbon content are less malleable and harder than mild steel.
- Alloy with iron and carbon as primary elements.
- Steel is a type of iron-carbon alloy that includes manganese as a major chemical ingredient.
Types of Steel
- Mild steel contains carbon as the alloy.
- Another type of steel includes chromium as an alloying element.
Weathering Steel
- A type of structural steel with improved atmospheric corrosion resistance.
- Extensively used for bridges and building exteriors.
Mechanical Properties of Weathering Steel
- Plates, bars, and shapes with a thickness of less than 8 in (203 mm) have a minimum yield strength of 36,000 psi (250 MPa) and ultimate tensile strength of 58,000–80,000 psi (400–550 MPa).
- Plates thicker than 8 in have a 32,000 psi (220 MPa) yield strength and the same ultimate tensile strength of 58,000–80,000 psi (400–550 MPa).
Advantages of Steel as a Structural Material
- 1. High strength-to-weight ratio, making it a efficient building material.
- 2. Durable and can withstand harsh environmental conditions.
- 3. Can be fabricated into various shapes and forms.
- 4. Can be coated with protective layers to prevent corrosion.
- 5. Relatively low cost compared to other structural materials.
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