Acier Steel Private Limited

• Product Overview: The 0.50mm Galvanized Plain (GP) Sheet is one of the most widely stocked and broadly specified galvanized steel flat sheets in the Indian and global market. Sitting at the critical midpoint between thin-gauge (appliance) and mid-gauge (structural) applications, 0.50 mm GP sheet delivers an outstanding balance of formability, corrosion resistance, and structural integrity that makes it the go-to specification for HVAC ductwork, residential wall cladding, light roofing, and a vast range of fabrication applications. Produced via hot-dip galvanizing on a Continuous Galvanizing Line (CGL) from a low-carbon CR or HR steel substrate, this thickness corresponds to approximately 26 gauge (BWG) and weighs roughly 3.93 kg/m² before zinc addition.
• Technical Specifications: Thickness: 0.50 mm ±0.02 mm | BWG Equivalent: Approx. 26–27 Gauge | Base Steel Grade: SGCC / DX51D / DX52D (CQ or DQ) | Zinc Coating: Z100 to Z275 g/m² (100 GSM to 275 GSM — customer selectable) | Width Options: 600 mm to 1,250 mm | Standard Sheet Sizes: 2440 × 1220 mm (8×4 ft), 1830 × 915 mm (6×3 ft), custom cut lengths | Surface Finish: Regular spangle (standard), zero spangle or skin-pass GPSP on request | Tensile Strength: 270–500 N/mm² | Elongation
• Primary Applications: HVAC rectangular and circular air conditioning ducts — the de facto standard gauge for duct fabrication per IS 655 and SMACNA specifications | Residential and commercial wall cladding and facade panels | Light residential roofing (supplementary or secondary roofing layers) | Kitchen ventilation hoods, exhaust canopies, and extraction systems | False ceiling panels, access panels, and plenum boxes | Grain storage silo panels and agricultural shed liners | Electrical enclosures, switchboard panels, and cable tray covers | Appliance outer casings — washing machine cabinets, refrigerator outer shells, water heater housing | Light structural fabrication: angles, channels, brackets, and support frames | Automotive interior panels, fuel tank shields, and under-body cover plates
• Performance and Benefits: At Z120 GSM coating, 0.50 mm GP sheet delivers 10–15 years outdoor service life in semi-exposed environments — rising to 25–35 years with Z275 GSM coating | Dual-protection zinc mechanism ensures that scratched or cut surfaces remain protected through sacrificial anodic action — unlike paint coatings which fail at breach points | Excellent cold-formability | Zero-spangle surface variant offers superior paint and powder-coat adhesion for consumer-visible applications | Full non-combustibility classification (Class A) — safe for use in fire-sensitive building zones and industrial environments | Skin-pass (GPSP) variant delivers improved flatness and tighter thickness tolerance for precision fabrication and automated processing lines
• Procurement and Ordering Guide: Stocked in sheet and coil form at major steel yards, HVAC material distributors, and industrial stockists across India | MOQ: 100 kg (retail), 500 kg–3 MT (distributor), 5 MT+ (mill direct) | Mill Test Report (MTR) with IS 277 coating certification available | Indicative price range (India, March 2026, ex-GST): ₹68–₹83/kg depending on brand, zinc grade, and order quantity | Premium brands (JSW Pragati, Tata, AMNS) available; bulk buyers (10 MT+) typically achieve ₹0.50–₹2/kg discount | Confirm zinc coating grade required — Z120 for HVAC/light cladding, Z180 for outdoor roofing, Z275 for construction and agriculture | Specify surface finish (regular spangle / zero spangle / skin-pass) when ordering for paint-line or powder-coat applications | Available ex-stock across Mumbai, Delhi, Hyderabad, Chennai, Ahmedabad, Pune, and Kolkata distribution networks

• Product Overview: The Z120 GSM Galvanized Plain Sheet - carrying a total zinc coating of 120 grams per square metre on both sides combined - is the most widely used standard-grade zinc coating specification in the galvanized plain sheet market, bridging the gap between light commercial coatings (Z80) and heavy-duty construction coatings (Z180–Z275). Designated as Z120 under EN 10346, G40 under ASTM A653, and Z12 under JIS G3302, this coating delivers approximately 8.4 µm of zinc per side and is the default specification for HVAC ductwork, semi-exposed building components, light residential cladding, appliance inner structural frames, and general-purpose fabrication where a full 10–15 years of outdoor or semi-exposed service life is required without the cost premium of higher zinc grades. Z120 is the grade most commonly stocked as the standard product at Indian steel yards alongside Z180 and Z275.
• Technical Specifications: Zinc Coating: Z120 g/m² (120 GSM) - total both sides combined | Zinc per side: ~60 g/m² (~8.4 µm) | Triple Spot Test (IS 277): 120 g/m² average, 110 g/m² minimum single-spot | ASTM equivalent: G40 | JIS equivalent: Z12 | Salt spray performance (ASTM B117): 96 hours to first red rust | ISO 14713 outdoor life (C2 low corrosivity / semi-exposed): 10–15 years | Thickness range: 0.18 mm to 2.00 mm (full range) | Width: 600 mm to 1,250 mm | Standards: IS 277:2003, EN 10346, ASTM A653 (G40), JIS G3302 (Z12)
• Primary Applications: HVAC rectangular and circular air conditioning ductwork - Z120 is the standard specification per IS 655 (India) and SMACNA (international) for internal building HVAC systems | Semi-exposed residential and commercial wall cladding and facade panels | Residential roofing (light exposure, sheltered environments - use Z180 or Z275 for aggressive or coastal environments) | Kitchen ventilation hoods and commercial kitchen extraction systems | Appliance manufacturing - washing machine inner structural frames, refrigerator internal brackets, microwave oven body frames | Electrical enclosure outer skins and distribution panel bodies in indoor/semi-indoor environments | False ceiling grid systems and suspended ceiling infrastructure | Agricultural shed liner panels (inner surfaces, not direct-rain-exposure faces) | Industrial machinery guards and equipment housings in dry to semi-humid factory environments | Lightweight structural framing for internal mezzanines and partitions
• Performance and Benefits: Optimal cost-performance balance - Z120 delivers genuine IS 277-certified zinc protection at the most commercially competitive price point of any compliant coating grade - making it the default specification for cost-sensitive volume applications like HVAC and appliance manufacturing | 10–15 years semi-exposed service life per ISO 14713 - sufficient for internal building applications, HVAC systems, and components not subject to direct rain, coastal spray, or industrial pollution exposure | Sacrificial zinc anode protection at cut edges and fastener holes - essential for HVAC ductwork where screw fasteners and pop-rivets are used extensively and internal moisture exposure is constant | Excellent formability at Z120 coating weight - bend test compliant per IS 277 at 180° cold fold with no coating separation | Superior to uncoated or paint-only steel for HVAC duct applications - zinc provides ongoing protection where condensation, humidity, and air moisture are present | Non-combustible - Class A fire rating - critical for building mechanical services (HVAC) installations | BIS IS 277 certified Z120 material available for institutional and government supply | 100% recyclable - compatible with green building certification requirements

• Product Overview: GP Sheet (Galvanized Plain Sheet) is the commercial industry name for flat-rolled, zinc-coated low-carbon steel sheet with a smooth, plain (non-corrugated, non-profiled) surface - the most versatile, widely traded, and application-diverse flat steel product in the world. The GP Sheet range spans a complete continuous thickness spectrum from 0.18 mm (ultra-thin light gauge) through to 3.00 mm (heavy structural gauge), covering every commercial application from precision appliance stampings and HVAC ductwork at the thin end, through roofing, cladding, and structural fabrication in the mid-range, to heavy tank fabrication, platform decking, and infrastructure structural panels at the thick end. Every thickness is produced through the same hot-dip Continuous Galvanizing Line (CGL) process - giving the full GP Sheet range a consistent zinc-iron metallurgical bond structure, IS 277 / EN 10346 / ASTM A653 / JIS G3302 compliance framework, and identical dual-mechanism (barrier + sacrificial anode) corrosion protection regardless of gauge.
• Complete Thickness and Application Matrix:
  • 0.18–0.25 mm: Appliance inner panels, false ceiling inserts, precision stampings | Z80–Z120
  • 0.30–0.40 mm: Appliance casings, HVAC light-gauge, residential ceiling grids | Z80–Z180
  • 0.45–0.60 mm: HVAC standard ductwork, residential cladding, farm shed liners | Z120–Z180
  • 0.70–0.80 mm: Commercial HVAC, industrial cladding, switchboard panels | Z180–Z275
  • 1.00–1.20 mm: Structural HVAC, PEB secondary structure, water tanks, silos | Z275
  • 1.50–2.00 mm: Heavy structural, platform decking, heavy tank fabrication | Z275
  • 2.50–3.00 mm: Heavy infrastructure, bridge panels, heavy drainage | Z275–Z350
• Performance Properties Consistent Across All Thicknesses: Dual-mechanism zinc protection - physical barrier + sacrificial anode - active at all thicknesses and zinc coating grades | IS 277:2003 bend test compliance - coating does not crack or flake on cold 180° bend | Non-combustible (Class A fire rating) at all thicknesses | 100% recyclable - zinc and steel both fully recovered in EAF process | Salt spray performance: Z120 = 96 hrs, Z180 = 240 hrs, Z275 = 480 hrs, Z350 = 600+ hrs (ASTM B117) | Mill Test Report (MTR) with certified coating weight, mechanical properties, and dimensional data available for every thickness and zinc grade | BIS IS 277 mark available across the full thickness range | Surface finishes: Regular spangle / Zero spangle / Skin-pass GPSP - available at all thicknesses
• Why Source the Full GP Sheet Range from a Single Stockist: Inventory consolidation - single MTR documentation system, consistent brand and coating quality, unified pricing and discount structure | Volume aggregation across thickness range qualifies for higher discount tier | Consistent zinc bath chemistry across thickness range from the same CGL supply - eliminates inter-batch coating performance variation | One-stop BOM fulfilment for multi-gauge projects (e.g., PEB systems requiring 0.50 mm cladding + 1.00 mm purlins + 1.60 mm structural panels) | Simplified quality documentation - single MTR format, single certification framework, single BIS mark reference across the full project material supply
• Procurement and Ordering Guide: Full GP Sheet range in stock at major industrial steel yards, construction material distributors, and authorized mill channel partners | Request combined BOM pricing for multi-thickness project orders - consolidated purchase typically attracts best pricing tier,Brands: JSW Steel, Tata Steel, AMNS India, Jindal Steel, SAIL - all produce full-range GP sheet

• Product Overview: GP Sheet (Galvanized Plain Sheet) is the commercial industry name for flat-rolled, zinc-coated low-carbon steel sheet with a smooth, plain (non-corrugated, non-profiled) surface — the most versatile, widely traded, and application-diverse flat steel product in the world. The GP Sheet range spans a complete continuous thickness spectrum from 0.18 mm (ultra-thin light gauge) through to 3.00 mm (heavy structural gauge), covering every commercial application from precision appliance stampings and HVAC ductwork at the thin end, through roofing, cladding, and structural fabrication in the mid-range, to heavy tank fabrication, platform decking, and infrastructure structural panels at the thick end. Every thickness is produced through the same hot-dip Continuous Galvanizing Line (CGL) process — giving the full GP Sheet range a consistent zinc-iron metallurgical bond structure, IS 277 / EN 10346 / ASTM A653 / JIS G3302 compliance framework, and identical dual-mechanism (barrier + sacrificial anode) corrosion protection regardless of gauge.
• Complete Thickness and Application Matrix:
  • 0.18–0.25 mm: Appliance inner panels, false ceiling inserts, precision stampings | Z80–Z120
  • 0.30–0.40 mm: Appliance casings, HVAC light-gauge, residential ceiling grids | Z80–Z180
  • 0.45–0.60 mm: HVAC standard ductwork, residential cladding, farm shed liners | Z120–Z180
  • 0.70–0.80 mm: Commercial HVAC, industrial cladding, switchboard panels | Z180–Z275
  • 1.00–1.20 mm: Structural HVAC, PEB secondary structure, water tanks, silos | Z275
  • 1.50–2.00 mm: Heavy structural, platform decking, heavy tank fabrication | Z275
  • 2.50–3.00 mm: Heavy infrastructure, bridge panels, heavy drainage | Z275–Z350
• Performance Properties Consistent Across All Thicknesses: Dual-mechanism zinc protection — physical barrier + sacrificial anode — active at all thicknesses and zinc coating grades | IS 277:2003 bend test compliance — coating does not crack or flake on cold 180° bend | Non-combustible (Class A fire rating) at all thicknesses | 100% recyclable — zinc and steel both fully recovered in EAF process | Salt spray performance: Z120 = 96 hrs, Z180 = 240 hrs, Z275 = 480 hrs, Z350 = 600+ hrs (ASTM B117) | Mill Test Report (MTR) with certified coating weight, mechanical properties, and dimensional data available for every thickness and zinc grade | BIS IS 277 mark available across the full thickness range | Surface finishes: Regular spangle / Zero spangle / Skin-pass GPSP — available at all thicknesses
• Why Source the Full GP Sheet Range from a Single Stockist: Inventory consolidation — single MTR documentation system, consistent brand and coating quality, unified pricing and discount structure | Volume aggregation across thickness range qualifies for higher discount tier (₹0.50–₹2/kg bulk discount on combined orders exceeding 10 MT) | Consistent zinc bath chemistry across thickness range from the same CGL supply — eliminates inter-batch coating performance variation | One-stop BOM fulfilment for multi-gauge projects (e.g., PEB systems requiring 0.50 mm cladding + 1.00 mm purlins + 1.60 mm structural panels) | Simplified quality documentation — single MTR format, single certification framework, single BIS mark reference across the full project material supply

• Product Overview: Full Hard GI Plain Sheet is a galvanized steel flat sheet produced without the annealing (recrystallization) step that is standard in the Continuous Galvanizing Line (CGL) process for commercial-quality (CQ) and drawing-quality (DQ) material. By retaining the work hardening imparted during cold rolling and skipping the recrystallization furnace stage, Full Hard GI sheet achieves significantly higher yield and tensile strength, lower elongation, and considerably greater stiffness and spring-back than annealed soft-quality material at identical thickness - making it the material of choice for rollformed structural profiles, corrugated roofing sheet production, standing-seam panel systems, roller shutter systems, and any application where shape retention under load is more important than cold-formability. Full Hard GI is most commonly specified in the 0.25 mm to 0.60 mm thin-gauge range where the additional stiffness contributes most value.
• Technical Specifications: Temper: Full Hard (non-annealed / as-cold-rolled + galvanized) | Thickness Range: 0.25 mm to 0.80 mm (most common: 0.30–0.60 mm) | Base Steel Grade: Full Hard SGCC / CS Type B (ASTM) - non-annealed cold-reduced base | Yield Strength: 280–550 N/mm² (significantly higher than annealed CQ: 140–300 N/mm²) | Tensile Strength: 380–550+ N/mm² | Elongation: 2–8% (vs. 22–36% for annealed CQ - minimal elongation, maximum hardness) | Zinc Coating: Z80 to Z275 g/m² | Width: 600 mm to 1,250 mm | Standards: IS 277:2003 (SGCC Full Hard), JIS G3302 (SGCH designation), ASTM A653 (CS Type B)
• Full Hard vs Soft (Annealed) - Decision Guide:
  • Use Full Hard when: Profile shape retention under load is critical | Rollforming into corrugated, trapezoidal, or standing-seam profiles | Maximum panel stiffness per kg of material is required | Spring-back is a design advantage (snap-fit, spring clips) | No complex cold-forming, deep drawing, or tight-radius bending is required
  • Use Soft (Annealed CQ/DQ) when: Complex press-forming, deep drawing, or tight-radius bending is required | Flanging, hemming, or multi-stage stamping operations are used | Maximum elongation and formability are the primary requirement
• Primary Applications: Rollformed corrugated roofing sheet production - Full Hard GI is the standard feedstock for all corrugated sheet rollforming lines in India | Standing-seam metal roofing and cladding profile production | Roller shutter slat rollforming - Full Hard delivers the spring-back profile retention essential for functional roller shutter operation | Solar module mounting rail and framing profile rollforming | Cable tray and ladder tray rollformed section production | Light structural C-section, Z-section, and hat-section rollforming | Ceiling grid main-runner and cross-runner rollforming | Thin-gauge electrical conduit and cable management profile manufacture
• Performance and Benefits: Maximum stiffness per kilogram - Full Hard GI at 0.45 mm delivers the structural performance of soft-quality material at 0.60 mm, enabling gauge reduction without functional compromise - direct material cost saving | Superior profile retention after rollforming - the higher yield strength means rollformed profiles maintain their designed cross-section geometry without spring-back deviation, reducing scrap and re-setting time on rollforming lines | Zinc coating on Full Hard GI provides identical corrosion protection to annealed-grade material - the galvanizing bath chemistry and coating weight are not affected by the base metal temper

Our color-coated roofing sheets, manufactured in Mumbai, are designed for durability, aesthetic appeal, and rapid delivery. With customizable thickness, coating levels, and color options, these sheets meet the needs of residential, commercial, and industrial projects, ensuring reliable, long-lasting roofing solutions.

Our color-coated roofing sheets, manufactured in Mumbai, are designed for durability, aesthetic appeal, and rapid delivery. With customizable thickness, coating levels, and color options, these sheets meet the needs of residential, commercial, and industrial projects, ensuring reliable, long-lasting roofing solutions.

Our color-coated roofing sheets, manufactured in Mumbai, are designed for durability, aesthetic appeal, and rapid delivery. With customizable thickness, coating levels, and color options, these sheets meet the needs of residential, commercial, and industrial projects, ensuring reliable, long-lasting roofing solutions.