Code #3618
Industry Overview
Galvanized Corrugated Sheets are manufactured from high-grade steel and are widely used in the construction industry. Their excellent corrosion resistance makes them a preferred material for a range of construction applications, particularly roofing and walling. Demand for corrugated iron sheets is primarily derived from the performance and growth of their major end user, namely the construction sector, and more specifically the building construction segment.
The construction sector has undergone significant changes and development in recent years. During the period 2001–2010, its contribution to GDP grew at an annual average rate of 13 percent, exceeding the average annual real GDP growth rate of 11.4 percent during the same period. This indicates an increasing share of the construction sector in the overall economy. Furthermore, during the GTP period from 2010–2015, the construction sector was expected to grow at an annual average rate of 20%. These developments support the importance of galvanized corrugated sheets as construction materials for roofing and walling applications.
Cost Estimation
| Particulars | Value |
|---|---|
| Plant Capacity | 60 MT/Day |
| Land & Building (7000 Sq.Mtr) | Rs. 4.39 Cr |
| Plant & Machinery | Rs. 5.85 Cr |
| Working Capital for 2 Month | Rs. 19.19 Cr |
| Total Capital Investment | Rs. 31.11 Cr |
| Rate of Return | 35% |
| Break Even Point | 48% |
Content Index
- INTRODUCTION
- USES AND APPLICATIONS
- PROPERTIES
- APPLICATIONS
- B.I.S. SPECIFICATION
- MANUFACTURING PROCESS
- (1) PROCESS OF GALVANIZING
- HOT-DIP GALVANIZING
- METHODS OF HOT DIP GALVANISING
- (A) BATCH PROCESS
- (B) CONTINUOUS PROCESS
- HOT-DIP GALVANIZING ON CONTINUOUS LINES
- (A) PREPARATION OF BLACK COILS
- (B) CLEANING
- (C) ANNEALING AND COOLING
- (D) ZINC BATH MANAGEMENT AND ALLOYING REACTIONS
- COATING WEIGHT [MASS] CONTROL AND MEASUREMENT
- POST TREATMENTS
- (A) TEMPER PASSING
- (B) LEVELING
- (C) CHEMICAL TREATMENT
- (D) INSPECTION
- (E) OILING AND RECOILING
- (2) COLOURING PROCESS OF G.I SHEET
- COATING PROCESS
- TESTS CONDUCTED FOR QUALITY CHECK OF THE COATED STEEL
- (3) CORRUGATION PROCESS OF G.I COLOURING SHEET
- PROCESS FLOW CHART
- QUALITY CONTROL
- VARIOUS QUALITY CONTROL TEST INCLUDE
- PLANT DESCRIPTION
- 1. CONTINIOUS GALVANISING LINE
- GALVANIZING BASICS
- ZINC
- WHY ZINC IS ONLY USED:
- SALIENT FEATURES
- LINE DIAGRAM OF CGL
- COMPONENTS OF LINE:-
- DEGREASING SECTION
- FURNACE SECTION
- PRE HEAT FURNACE:-
- RADIANT TUBE FURNACE (RTF):-
- SOAKING ZONE:-
- JET COOLING:-
- ZINC POT:-
- COOLING TOWER
- Q-TANK
- (2) COLOUR COATING LINE
- COMPONENTS:-
- MARKET OVERVIEW
- FEW INDIAN MAJOR PLAYERS ARE AS UNDER
- INDIAN GALVANIZED STEEL INDUSTRY
- APPLICATIONS OF GALVANIZED STEEL PRODUCTS
- SECTOR CONSUMPTION PATTERN
- APPLICATIONS OF METAL ROOFS
- PROBLEMS WITH METAL ROOFS
- LOW ACCEPTANCE
- LIMITED COLOUR PALETTE
- COST
- UNWILLINGNESS TO TAKE ONUS OF QUALITY/SAFETY
- OUTLOOK
- METAL ROOFS AND ITS INSTALLATION
- MATERIAL FOR METAL ROOFING
- CHOOSE YOUR METAL ROOFING
- ADVANTAGES OF A METAL ROOF
- INSTALLING A METAL ROOFS
- B. PROCESS IN INSTALLING A METAL ROOF
- CHALLENGES OF INSTALLING METAL ROOFING
- ROOFING MARKET
- GLOBAL ROOFING MARKET: SNAPSHOT
- RISING DEMAND FOR ECO-FRIENDLY ROOFING COULD SHAPE ROOFING MARKET
- ASIA PACIFIC LIKELY TO SUSTAIN STRONG POSITION IN GLOBAL ROOFING MARKET
- INDUSTRY INSIGHTS
- HOUSEHOLD SIZE
- RESIDENTIAL DENSITY
- INCOME DISTRIBUTION
- HOUSING CONDITION AND OBSOLESCENCE FACTOR
- HOUSEHOLDS PER ROOM AND CONGESTION FACTOR
- SLUMS
- HOUSING SHORTAGE AND NEED
- PROPOSED HOUSING POLICY
- PRIVATE SECTOR PARTICIPATION
- ROLE OF GOVERNMENTAL
- HOUSES OF DIFFERENT INCOME CATEGORIES
- GROUP HOUSING SCHEMES
- URBAN VILLAGES
- CONCEPT OF CITY WITHOUT SLUMS
- URBAN RENEWAL
- AREA FOR RENEWAL
- GUIDELINES FOR URBAN RENEWAL1
- HOUSING & SLUMS
- HOUSING
- SLUM POPULATION
- BASIC SERVICES FOR URBAN POOR (BSUP) PROGRAM IN JAMMU
- ISSUES
- MIGRATION
- FUTURE HOUSING DEMAND
- PROPOSED HOUSING POLICY
- HOUSING FOR URBAN POOR:
- DETAILED EXPORT DATA OF ROOFING SHEET
- ROOFING INDUSTRY STATISTICS AND TRENDS
- CURRENT MARKET
- MAJORITY OF CONTRACTORS ARE CENTERED IN THE FOLLOWING STATES:
- INDUSTRY LEADERS
- HIGH PERFORMANCE PVC SINGLE PLY ROOFING
- INDUSTRY MATERIALS
- ROOFING INDUSTRY COMPLAINT TRENDS
- THE MOST POPULAR DOCUMENT REASONS FOR COMPLAINTS ARE:
- PROCESS FLOW CHART FOR CONTINIOUS COIL GALVANISING LINE
- PROCESS FLOW CHART FOR COLOUR COATING LINE
- PROCESS FLOW CHART FOR CORRUGATION LINE
- PLANT LAYOUT
- MANUFACTURERS/SUPPLIERS OF ROOFING SHEET
- SUPPLIERS OF RAW MATERIALS
- SUPPLIERS OF M.S STRIP COILS
- SUPPLIERS OF ZINC INGOT
- SUPPLIERS OF CASTIC SODA
- SUPPLIERS OF HYDROCLORIC ACID
- SUPPLIERS OF DEGREASING CHEMICAL
- SUPPLIERS OF COATING POWDER
- SUPPLIERS OF PAINTS
- SUPPLIERS OF PLANT AND MACHINERIES
- INDIAN SUPPLIERS OF CONTINIOUS GALVANISING LINE
- FOREIGN SUPPLIERS OF CONTINIOUS GALVANISING LINE
- INDIAN SUPPLIERS OF COLOUR COATING LINE
- FOREIGN SUPPLIERS OF COLOUR COATING LINE
- INDIAN SUPPLIERS METAL CORRUGATED ROOFING SHEET LINE
- FOREIGN SUPPLIERS OF METAL SHEET CORRUGATION LINE
- SUPPLIERS OF EOT CRANE
- SUPPLIERS OF POWER TRANSFORMERS
- SUPPLIERS OF ELECTRICAL PANEL
- SUPPLIERS OF ELECTRIC MOTOR
- SUPPLIERS OF AIR POLLUTION CONTROL EQUIPMENTS
- SUPPLIERS OF AIR COMPRESSORS
- SUPPLIERS OF PLATFORM WEIGHING MACHINE
- SUPPLIERS OF MATERIAL HANDLING EQUIPMENTS
- SUPPLIERS OF FIRE FIGHTING EQUIPMENTS
- SUPPLIERS OF JIGS AND FIXTURE
- SUPPLIERS OF SUBMERSIBLE WATER PUMP
- SUPPLIERS OF COOLING TOWER
- SUPPLIERS OF EFFULENT TREATMENT PLANT (ETP PLANT)
- LIST OF PLANT & MACHINERY
Appendix
- APPENDIX – A:
- 01. PLANT ECONOMICS
- 02. LAND & BUILDING
- 03. PLANT AND MACHINERY
- 04. OTHER FIXED ASSESTS
- 05. FIXED CAPITAL
- 06. RAW MATERIAL
- 07. SALARY AND WAGES
- 08. UTILITIES AND OVERHEADS
- 09. TOTAL WORKING CAPITAL
- 10. TOTAL CAPITAL INVESTMENT
- 11. COST OF PRODUCTION
- 12. TURN OVER/ANNUM
- 13. BREAK EVEN POINT
- 14. RESOURCES FOR FINANCE
- 15. INSTALMENT PAYABLE IN 5 YEARS
- 16. DEPRECIATION CHART FOR 5 YEARS
- 17. PROFIT ANALYSIS FOR 5 YEARS
- 18. PROJECTED BALANCE SHEET FOR (5 YEARS)
Frequently Asked Questions
Galvanized corrugated sheets are steel sheets protected with a zinc coating and formed into a corrugated profile. The zinc coating provides improved resistance to corrosion, while the corrugated shape contributes to structural strength and rigidity. These characteristics make galvanized corrugated sheets suitable for applications such as roofing and walling. Their performance and service life depend on factors including the steel grade, zinc coating, manufacturing quality, environmental conditions, and installation practices.
The manufacturing process generally involves preparing steel coils, cleaning the steel surface, galvanizing it with zinc, applying post-treatment where required, and forming the coated sheet into a corrugated profile. In continuous galvanizing lines, stages can include degreasing, furnace treatment, cooling, zinc-bath processing, coating-weight control, inspection, oiling, and recoiling. Depending on the product, colour coating may also be carried out before corrugation. Process control at each stage is important for achieving consistent coating quality, dimensional accuracy, surface finish, and product performance.
Zinc is used for galvanizing because it provides effective protection to steel against corrosion. A zinc coating acts as a physical barrier and can also provide sacrificial protection when the steel surface is exposed through minor damage. Hot-dip galvanizing produces a metallurgically bonded zinc coating that can offer durable protection when properly controlled. The resulting corrosion resistance makes galvanized steel particularly useful in construction applications where roofing and walling materials may be exposed to moisture and varying environmental conditions.
Galvanized corrugated sheets are mainly used for roofing and walling applications in construction. They can be used in residential, commercial, industrial, agricultural, and utility structures where lightweight, durable, corrosion-resistant sheet material is required. Their suitability for a particular application depends on the required strength, environmental exposure, coating specification, sheet profile, and installation method. Colour-coated galvanized sheets can additionally provide aesthetic options for projects where appearance is an important consideration.
Important quality checks include coating weight or mass, surface condition, dimensional accuracy, coating uniformity, adhesion, mechanical properties, and overall appearance. For colour-coated products, additional checks can cover coating thickness, colour consistency, adhesion, and finish. Inspection should be carried out at appropriate stages of galvanizing, coating, and corrugation. Proper quality control helps ensure that the finished sheets meet applicable specifications and perform reliably during transportation, installation, and service.
Demand for galvanized corrugated sheets is closely linked to activity in the construction and building sectors. New housing, commercial and industrial construction, infrastructure development, renovation, and replacement of existing roofing can all influence consumption. Product selection is also affected by durability, corrosion resistance, cost, appearance, installation requirements, and local climatic conditions. As a result, the market for these sheets is considered a derived demand because changes in construction activity can directly affect the requirement for roofing and walling materials.
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