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Engineering Materials

Engineering Materials
Maximum percentage of carbon in ferrite is

0.00025
0.0006
0.001
0.0025

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Engineering Materials
The percentage of carbon in low carbon steel is

0.05%
0.3%
0.5%
0.15%

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Full annealing
Hardening and cold working
Martempering
Normalizing

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Ferrite and pearlite
Mainly pearlite
Pearlite and cementite
Mainly ferrite

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Engineering Materials
In grey cast iron, carbon is present in the form of

Free carbon
Flakes
Spheroids
Cementite

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Engineering Materials
Beryllium bronze contains

80% copper and 20% beryllium
99% copper and 1% beryllium
60% copper and 40% beryllium
97.75% copper and 2.25% beryllium

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