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The capital letter H in S355J0H and S355J2H stands for ""Hollow section"", which respectively represents the pipe of S355J0 and S355J2.The Executive Standards of S355J0 steel and S355J2 steel, BP300 bulletproof steel are both EN 10025-2, the difference is that they have different temperature requirements for impact energy: S355J0 - impact energy at 0 ℃ is required to be ≥ 27J. S355J2: impact energy at - 20 ℃ is required to be ≥ 27J.
When the steel plate containing molybdenum only is at high temperature for a long time, the carbon will aggregate into graphite and precipitate, which will worsen the performance. To eliminate this tendency, chromium is often added to the BP300 bulletproof steel, steel plate at the same time. When chromium is added to the steel plate, the heat strength, high temperature oxidation resistance and corrosion resistance can also be improved.
BP300 bulletproof steel annealing is to heat the steel to 30 ~ 50℃ above the critical temperature, keep it in the heat treatment furnace for a period of time, and then cool it down to room temperature with the furnace. The purpose of BP300 bulletproof steel annealing is to refine the grain of steel, eliminate internal stress and reduce hardness, improve cutting performance, increase toughness and plasticity, and facilitate welding and rolling processes. BP300 bulletproof steel annealing can be complete annealing, incomplete annealing, stress relief annealing, isothermal annealing and spheroidizing annealing.
The company focuses on two markets at home and abroad, and has a group of 56 experienced sales elites and professional and technical personnel. It can provide customers with drawing design, BP300 bulletproof steel deep processing services and installation solutions. 20 years of project experience has provided high-quality carbon steel, alloy steel products and high-quality after-sales service to customers in many countries around the world. The company has won widespread praise from customers.
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Threat STANAG 4569 1 class (Infantry Rifles, 5.56/7.62 Ball) Artillery Simulator: 20mm FSP (simulating 155mm threat) at 520 m/sec from a distance of 100 meters (7,273J). Due to very low probability of a large fragment retaining enough velocity at these d
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This NIJ 0108 Ⅳ class standard is applicable to all ballistic resistant materials (armor) intended to provide protection against gunfire, with the exception of police body armor and ballistic helmets, which are the topic of individual NIJ performance stan
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This NIJ 0108 Ⅲ class standard is applicable to all ballistic resistant materials (armor) intended to provide protection against gunfire, with the exception of police body armor and ballistic helmets, which are the topic of individual NIJ performance stan
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EN 1063 standard applies to attack by handguns, rifles and shotguns and glazing in buildings for interior and exterior use: Handgun classes are EN 1063 BR2, EN 1063 BR3 and EN 1063 BR4, Rifle specifications are EN 1063 BR1, EN 1063 BR5, EN 1063 BR6 and EN
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EN 1063 BR6 class is a safety glass standard established by the European Commission to measure the protective strength of bulletproof glass. EN 1063 BR6 class is usually used in conjunction with EN 1522 (standard for the resistance of windows, doors, shut
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EN 1063, also known as CEN 1063, EN1063 BR5 class is a safety glass standard established by the European Commission to measure the protective strength of bulletproof glass. EN1063 BR5 class is usually used in conjunction with en 1522 (standard for the res
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Ramor 600 is an ultra-high hardness bulletproof steel, which can provide 3-6 mm (0.118-0.236 ") thick plates with a nominal hardness of 600 HBW. Ramor 600 is available in 3-6 mm (0.118-0.236 ") thick, delivered in quenched condition without further heat
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Ramor 550 steel is an ultra-high hardness bulletproof steel, which can provide 3-15 mm (0.118-0.591 ") thick plates with delivery hardness of 540-600 HBW. Ramor 550 steel is available in 3-6 mm (0.118-0.236 ") thick plates and 6-15 mm (0.236-0.591") th
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Ramor 500 is a high hardness bulletproof steel, which can provide plate thickness of 2-30 mm (0.079-1.18 ") and deliver hardness of 490-560 HBW. Ramor 500 is available in 2-6.5 mm (0.079-0.256 ") thick plates and 6-30 mm (0.236-1.18") thick plates. Ram
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Ramor 450 steel is a medium hardness bulletproof steel, which has both bulletproof function and impact toughness. Ramor 450 steel is available in 8-16 mm (0.315-0.630 ") thick plates with delivered hardness of 400-480 HBW. Ramor 450 steel does not requir
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The anti explosion steel Ramor 400 is an explosion-proof medium hardness steel, which can provide plate thickness of 2-30 mm (0.078-1.18 ") and the delivered hardness is 360-460 HBW. Ramor 400 can provide 2-12 mm (0.078-0.472 ") thickness fixed length s
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The Ramor 300 is a low alloy bulletproof steel plate that provides 3-6 mm (0.118-0.236") sheet with a hardness of 260-320 HBW. The Ramor 300 does not require further heat treatment. Ramor 300 size range: 3.0-6.0mm thickness of open cutting sheet.
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The EN1522 FB7 class/ BR7 window detailed on this page below is specifically tested to EN 1063 BR7 and EN1522 FB7 class, withstanding multiple impacts from a 7.62 x 51 calibre weapon, a Rifle (AP). As you can see from the table below there are many compar
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Our company manufacture EN 1522 FB5, EN1522 FB6 class and EN 1063 BR5 and BR6 Ballistic Windows to suit your specific requirements. Our Bullet Windows have been independently tested and certified within the UK to both EN1522 FB5 and EN1522 FB6 class with
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Since the end of 1998, the new Euro Standard EN1522 FB5 class has been applied Europe-wide and replaces all standards that have been valid in these countries so far. The EN1522 FB5 class applies to all bulletproof doors, windows, shutters, transfer trays
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Weldability of BP600 bulletproof steel plate: the carbon equivalent of BP600 bulletproof steel plate is between 0.50 and 0.62, which indicates that the steel has good weldability. The BP600 bulletproof steel plate heat input during welding is about 1.5-2.
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Weldability of BP500 bulletproof steel plate: the carbon equivalent of BP500 bulletproof steel plate is between 0.50 and 0.62, which indicates that the steel has good weldability. The BP500 bulletproof steel plate heat input during welding is about 1.5-2.
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The BP440 steel sheet can be heat treated. It has excellent gun resistance, strong impact resistance, uniform and stable performance, good shape and surface quality. This BP440 steel sheet is suitable for cash carriers, armored personnel carriers, escort
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BP370 steel plate is heat treated with hot rolled coil as base plate. BP370 steel has excellent gun resistance, strong destructive impact resistance, uniform and stable performance, good shape and surface quality.
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BP370 steel plate is heat treated with hot rolled coil as base plate. BP370 steel has excellent gun resistance, strong destructive impact resistance, uniform and stable performance, good shape and surface quality.
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