of the melting points of aluminum and GI (Galvanized Iron) sheet: Material Melting Point (°C) Notes Aluminum 660°C Pure aluminum melts at a relatively low temperature. GI Sheet 1425–1540°C GI sheets are made of steel (iron + carbon) coated with zinc. Steel has a high melting point, while zinc melts at ~420°C. The […]
To distinguish reliable manufacturers here are key criteria: Certifications & TestingDoors should be tested by recognized labs (e.g., CBRI Roorkee, or other internationally accredited labs) for integrity, insulation, stability. The manufacturer should produce test reports.Sehgal Doors, for example, is known to manufacture CBRI-approved fire doors. Range of Fire RatingsA credible manufacturer should offer various ratings […]
BoQ_Bullet_Resistant_Security_Steel_Door_RC3Download Sl. No. Description Unit Qty Remarks 1 Bullet Resistant & Security Steel Door – comprising the following specifications: Core: Proprietary ballistic core complying with UL 752 – Level 8 (FB6 Equivalent), NIJ 0108.01 – Level III, ASTM F1233-98 – Class IV Forced Entry Protection and EN 1627:2011 – RC3 Security Resistance Class. Construction: Door […]