26SiMnMo (GY5) steel material, chemical composition and mechanical properties

26SiMnMo (GY5) bulletproof steel description
26SiMnMo (GY5) is a high-strength and high-toughness steel plate, which belongs to bulletproof steel. It has good anti-elastic properties, welding performance and mechanical processing performance. 26SiMnMo plate is suitable for combat command vehicles, explosion-proof vehicles, banknote transport vehicles, bulletproof trucks, explosion-proof doors, confidential safes.

Relative grades: 26SiMnMo (Gy5), 28CrMo (Gy4), 22SiMn2TiB (616), PRO500, 32CrNi2MoTiA (A-8), 32Mn2Si2MoA (F-3), 32Mn2SiA (F-2)
26SiMnMo bulletproof steel shape size deviation implementation of the national standard: GB/709-2006
26SiMnMo delivery status: The steel plate is shipped in a quenched + tempered state, and the surface is shot blasted before delivery.

Chemical Composition:
Carbon: 0.23~029
Silicon: 120~160
Manganese 1.20~1.60
Sulfur: <0.030
Phosphorus: <0.030

Mechanical Properties
Grade Yield strength Rp0.2Mpa; Tensile strength RmMpa; Elongation after breaking %; Bending test 90°
Bulletproof steel ≥1500 ≥1650 ≥10 D=6t
Bulletproof steel ≥1600 ≥1700 ≥8 D=6t
Bulletproof steel ≥1650 ≥1750 ≥8 D=6t

26SiMnMo specification range
Thickness mm Width mm Length mm
Bulletproof steel 4-5 750-1500 2000-12000
Bulletproof steel 5-6 750-1500 2000-12000
Bulletproof steel 6.5-7 750-1500 2000-12000
Done is better than perfect.

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