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PETRA TRADING & CONTRACTING
INDUSTRIAL MATERIALS SPECIFICATION DIRECTORY

Industrial Procurement & Material Catalog

Engineered specifications for 5 core industrial commodity pillars: Water Infrastructure, Piping Systems, Structural Construction Steel, MEP Equipment, and Industrial Units. Sourced directly from accredited European, British, GCC, and Asian mills with authentic EN 10204 3.1 Mill Test Certificates.

01 / Water Infrastructure & Storage

BS EN 13280 • WRAS • AWWA D100 • NFPA 22
Water Storage WRAS Approved

GRP Sectional Panel Water Storage Tanks

Hot-press molded SMC/GRP sectional panel tanks for potable water reserves, district cooling, and industrial processing. UV-stabilized with food-grade internal isophthalic resin.

ManufacturingSMC Hot Press (150°C / 50 Bar)
StandardsBS EN 13280 / SS 245 / WRAS
Capacities1,000 Litres to 5,000,000+ Litres
Panel Modules1m × 1m, 1m × 0.5m, 0.5m × 0.5m
Internal StaysSS 316 / HDG Internal Tie Rods
Water Storage AWWA D100 / EN 10088

Stainless Steel Sectional Water Tanks 304 / 316L

Heavy-gauge modular panel tanks engineered for highly corrosive coastal environments, hospitals, and pharmaceutical applications requiring zero biological leaching.

Material GradesAISI 304 / AISI 316L / Duplex 2205
Panel Finish2B Mill / Passivated Welds
Thickness1.5mm to 4.0mm Formed Panels
Corrosion Res.Chloride-resistant up to 2000 ppm (316L)
CertificatesEN 10204 3.1 Mill Heat Traceability
Fire Protection NFPA 22 / FM Criteria

Dedicated Fire Fighting Water Storage Reservoirs

Engineered fire water tanks equipped with anti-vortex plates, suction headers, external cat ladders, level indicators, and high-pressure overflow weir chambers.

ComplianceNFPA 22 / FM Global Guidelines
Shell MaterialReinforced GRP or Epoxy Bolted Steel
AccessoriesSS Anti-Vortex Plates, Immersion Heater
Capacity50,000 Litres to 2,000,000 Litres
NozzlesDN100 - DN400 PN16 Flanged Connections

02 / Piping Systems, Valves & Flanges

ASTM A106 • API 5L • BS EN 545 • ISO 4427 • API 600
Carbon Steel ASTM A106 / API 5L

Seamless Carbon Steel Pipe ASTM A106 Gr. B

High-temperature, high-pressure seamless line pipe for industrial process piping, district cooling chilled water headers, steam lines, and hydrocarbon service.

StandardsASTM A106 Gr. B / API 5L PSL1/PSL2
Wall SchedulesSCH 40, SCH 80, SCH 160, XXS
Size RangeDN15 (1/2") to DN900 (36")
End PrepBeveled Ends (ASME B16.25) / Plain Ends
Testing100% Hydrostatic + Eddy Current / NDT
Ductile Iron BS EN 545 / ISO 2531

Ductile Iron Pressure Pipe Class K9 & C40

Heavy-duty ductile iron water transmission pipes with push-on flexible Tyton joints, external metallic zinc spray + bitumen finish, and internal Portland cement mortar lining.

Class RatingClass K9, Class C40, Class C30
Internal LiningBlast Furnace Slag Cement (BS EN 545)
DiameterDN80 to DN1600 (Up to 64")
Joint TypePush-on Socket & Spigot with EPDM Gasket
Working Press.Up to 40 Bar Hydrostatic Proof
Industrial Valves API 600 / ASME B16.34

Cast & Forged Steel Gate Valves Class 150-600

Heavy industrial bolted-bonnet wedge gate valves for full bi-directional shutoff in high-pressure steam, industrial fluids, cooling towers, and fuel pipelines.

Body MaterialASTM A216 WCB / ASTM A351 CF8M
Pressure ClassASME Class 150, 300, 600, 900
Trim MaterialTrim 8 (Stellite / 13Cr), Trim 10 (316)
ConnectionsFlanged RF (ASME B16.5) / Butt-Weld
TestingAPI 598 Pressure & Seat Leakage Test

03 / Construction Materials & Structural Steel

BS EN 10025 • ASTM A36 • S355JR • BS EN ISO 1461
Structural Steel BS EN 10025-2 / S355

Hot-Rolled Structural Steel Sections (S355JR / J2)

High-strength structural beams, columns, parallel flange channels, and equal angles for multi-story building frames, industrial warehouse trusses, and pipe rack infrastructure.

ProfilesUB, UC, IPE, HEA, HEB, PFC, Angles
GradesS275JR, S355JR, S355J2, S355K2 (+Impact)
Yield Strength≥ 355 MPa (Up to 16mm thickness)
TraceabilityFull Mill Heat Numbers stamped / MTC 3.1
Lengths6m, 12m, 14m Standard or Cut-to-Length
Fasteners BS EN 14399 / ISO 4014

High-Tensile Structural Fasteners Grade 8.8 & 10.9

Precision structural bolting assemblies including hex bolts, hardened washers, and heavy hex nuts with hot-dip galvanized coating for high-stress preloaded connections.

Property ClassClass 8.8, Class 10.9, ASTM A325 / A490
CoatingHot-Dip Spun Galvanized ≥ 45 μm (ISO 10684)
DiametersM12 to M64 Metric / 1/2" to 2-1/2" UNC
Torque ValuesCalibrated K-Factor test certificates
InspectionEN 14399 CE / UKCA Verification
Stainless Alloys ASTM A240 / EN 10088

Stainless Steel Sheets & Heavy Plates (304 / 316L)

Corrosion-resistant flat-rolled stainless steel plates for structural tanks, food processing equipment, offshore splash zones, and architectural cladding facades.

Alloy GradesAISI 304/304L (1.4301), 316/316L (1.4404)
Surface Finish2B Cold Rolled, No.4 Satin, 1D Hot Rolled
Thickness0.5mm to 50.0mm Heavy Plate
Dimensions1000×2000, 1250×2500, 1500×3000/6000mm
MTCEN 10204 3.1 with PMI Chemistry Report

04 / MEP & HVAC Materials

DW144 • SMACNA • BS 5467 • UL / FM Approved
HVAC Systems DW144 / BS EN 1507

PIR Pre-Insulated HVAC Air Ducting Panels

CFC-free polyisocyanurate (PIR) rigid foam duct panels faced with embossed aluminum foil on both sides, engineered for clean, thermally efficient air distribution.

Thermal Cond.≤ 0.022 W/m·K (Superior insulation)
Fire RatingClass 0 / BS 476 Part 6 & 7
Foil Facing80 μm reinforced embossed aluminum
Air LeakageClass C airtightness standard (EN 1507)
Density48 - 52 kg/m³ rigid foam core
Electrical Power BS 5467 / BASEC

XLPE / SWA / PVC Armoured Copper Power Cables

600/1000V multi-core steel wire armoured copper power distribution cables for industrial installations, underground service ducts, and substation infrastructure.

ConductorClass 2 Stranded Plain Annealed Copper
InsulationCross-linked Polyethylene (XLPE) 90°C
ArmouringGalvanized Steel Wire Armour (SWA)
StandardBS 5467 / IEC 60502-1
Cores / Cross-Sec2, 3, 4 Core / 4mm² to 400mm²

05 / Industrial & Modular Site Units

BS 5950 • EN 15512 • CE / UKCA Machinery Directive
Modular Units UK Building Regs Part L

Heavy-Duty Site Portacabins & Modular Camps

Prefabricated steel frame modular cabins insulated with fire-retardant sandwich panels. Rapid deployment for remote infrastructure sites, engineer offices, and welfare camps.

Frame SteelGalvanized Cold-Formed Steel Chassis
Wall Panels50mm - 100mm Mineral Wool / PIR Panels
ElectricalFully Pre-wired to BS 7671 (18th Edition)
Dimensions20ft (6×2.4m) / 40ft (12×2.4m) Modular
HVAC FitmentSplit A/C or Tropical Heat-Pump Ready
Logistics Infrastructure EN 15512 / SEMA

Heavy-Duty Adjustable Pallet Racking (APR)

Industrial warehouse storage racking engineered for high-bay logistics distribution centers, heavy steel spare parts laydown, and container transshipment depots.

Load Capacity1,000 kg to 4,500 kg per beam level
Upright HeightsUp to 14 meters continuous roll-formed
Corrosion Fin.High-durability polyester epoxy powder coat
Safety PinsSelf-locking high-tensile safety connectors
EngineeringSeismic and wind calculation submittals
ENGINEERING & INDUSTRIAL PROCUREMENT

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