MIL DTL 12560 CL 1.2.3
As the largest Bozhong 190 manufacturer in china, Bozhong Metal Group sales quality Bozhong 190 to customers all over the world.
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  • Description
  • Parameter
Bozhong RHA steel (< 430 HB) for ballistic protection

Bozhong 190 has been studied for vehicle structures (main battle tanks, armour personal carriers…), stationary protection (buildings, sentry boxes, observation posts…) and targets.

Bozhong 190 has a very great adaptability, combining easy workability even in thick thicknesses, with good ballistics properties against all ammunitions.

Standard
INDUSTEEL: Bozhong 190
Bozhong 190 satisfies requirements of following specifications:
• France : NF A 36-800-CLA
• Germany : TL 2350 – 0000 Hardness G, H, K, L
• U.K. : Stan 95-24 Class 1 and 2, Stan 95-13
• USA : MIL DTL 12560 CL 1.2.3

Chemical Analysis
C S P Si Mn Ni Cr Mo V
≤ .30 ≤ .005 ≤ .012 ≤ .4 < 1.20 ≤ 1.8 ≤ 1.5 ≤ .6 ≤ .10
Chemical composition depends on thickness range (particularly Ni and Cr contents) and, possibly, on customer’s specification

Mechanical Properties
Plate thickness (t) Usual hardness range KCV -40°Transverse to rolling direction
mm Inch (HB) J ft.lbs
≤ 12 ≤ .47″ 352 – 388 ≥ 20 ≥ 15
12 < t ≤ 35 .47 < t ≤ 1.38 331 – 375 ≥ 24 ≥ 18
35 < t ≤ 60 1.38 < t ≤ 2.36 302 – 341 ≥ 32 ≥ 24
60 < t ≤ 85 2.36 < t ≤ 3.30 262 – 331 ≥ 36 ≥ 26
85 < t ≤ 120 3.30 < t ≤ 4.72 248 – 285 ≥ 56 ≥ 41
120 < t ≤ 150 4.72 < t ≤ 6 241 – 277 ≥ 64 ≥ 47
In table, are put typical values which may vary in terms of customer or specification requirements.

PDF: http://www.industeel.info/wp-content/uploads/2016/06/DS-PROTECTION-MARS190-GB.pdf
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