1. Dimensions of Quality
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Gain from the Power of Lean Six Sigma – MOOC
By Nilakantasrinivasan
Assignment Submission of : Smriti Sahu

2. Product or Service Selected :
Coking Coal for Steel Industry
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3. Performance
Features
Conformance
Dimensions of Quality
Reliability
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• Composition of coal
• Mineral content
Coking coal, also known as metallurgical coal, is used to create coke, one of the
key irreplaceable inputs for the production of steel. Coke is produced by heating coking
coals in a coke oven in a reducing atmosphere.
• Percentage of carbon in coal
• Coal blend for coking
• Low sulphur and phosphorous contents
• Size of coke
• Quality of coke delivered
• Quality of coke as per norms

4. Experience
Aesthetics
Dimensions of Quality
Durability
Service
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• Coke strength
• Storage life
• On-time delivery
• Delivering quality coke as per requirement
• Delivering as per MoU with customer
• Attending customer complaints on time
• Keeping the quality & size of coke in check
• Size of coke