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a387 gr11 density

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    A387 Alloy Steel Grade 11 Class 1 Sheets, ASTM A387 Gr 11 a387 gr11 density

    We deploy latest methodologies while designing Alloy Steel Grade 11 Class 1 Plates and Alloy Steel Gr. 11 Hot & Cold Rolled Plates. Our ASTM A387 Alloy Steel GR 11 Sheets and Plates has a number of excellent qualities to provide such as Confrontation in contradiction of weather, Fine finish, Well - designed look, Faultless finish, Flawless in measurement, Lengthier provision life, Toughness a387 gr11 densityA387 Gr 22 Weld Procedure - Metal and Metallurgy a387 gr11 densityAug 18, 2010 · RE A387 Gr 22 Weld Procedure stanweld (Materials) 17 Aug 10 08:40 Welding Process, preheat, PWHT, matching chemistry filler metal (ER90S-B3, E9018-B3 etc.), flux type.

    A387 Gr22 Cl.2,A387 Grade 22 Class 2, A387 Gr22 Cl2 steel a387 gr11 density

    A387 Grade 22 Class 2 is a chromium molybdenum alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service.. Our plates including A387 Gr22 Cl2 come with mill certificate in accordance with EN 10204 3.1 or EN 10204 3.2. We welcome any third party or customer inspection if required. Supplementary Technology HIC Test NACE MR0175 Z15 a387 gr11 densityA387 Grade 11 Class 2 Alloy Steel Plate Stockists and a387 gr11 densityHot Rolled and Cold Rolled SA387 Gr11 Cl2 Plates Application Industries a387 gr11 density astm a387 grade 11 class 2, astm a387 grade 11 equivalent, sa 387 gr 11 density, A387 GR11CL2 Price List, SA387Gr11CL2 clad steel plate, EN10028-3 A387Cr-Mo alloy steel plate Sizes, A387 Grade 11 Chromium Molybdenum Steel Plates, SA 387 GR. 11 Cl.2 (1 1/4 Chrome, 1/2 a387 gr11 densityA387 equvalent - seynint.beASTM A387 grade 11 steel is an alloy steel formulated for primary forming into wrought products. ASTM A387 Grade 11 is the ASTM designation for this material. K11789 is the UNS number. It has a fairly high ductility and a moderately low thermal conductivity among wrought alloy steels in the same category.

    A387 gr5cl2 suppliers - taartenprinses.nl

    cheap astm a387 grade 11 steel plate 2019-8-10 · Rexton Steel & Alloys is the leading suppliers and stockists of Alloy Steel Plates SA 387 GR.11 CL.2, ASME SA 387 Grade 11 Steel Plate, ASTM A387 Grade 11 Class 2 Chromium Molybdenum Alloy Steel. Read MoreA516 and A387 Pressure Vessel Steels A Technical A516 and A387 Pressure Vessel Steels A Technical Overview Introduction ArcelorMittal is the major producer of carbon and alloy plate for the petroleum, petrochemical and chemical processing industries in the United States. We operate three facilities in Pennsylvania and Indiana with five rolling mills for the production of plate.AISI A387 Grade 11-PVQ Alloy Steel (UNS K11789)Density 7.7-8.03 g/cm 3 0.278-0.290 lb/in 3 Mechanical Properties. The mechanical properties of AISI A387 grade 11-PVQ alloy steel are displayed in the following table. Properties Metric Imperial; Tensile strength 515-690 MPa 74700-100000 psi Yield strength 310 MPa 45000 psi Rupture strength (@575 °C, time 3.60e+8 sec/1070 °F, time a387 gr11 density

    ASME SA 387 GRADE 11 Class 1 - Alloy steel

    ASTM A387 GRADE 22 Class 2. ASTM A387 GRADE 91 Class 2. EN-10028-2 Chrome Moly Steels. 16MO3 Plates. 13CRMO45 Plates. 10CRMO910 Plates. About us.ASME SA387 & ASTM A387 Chrome Moly Plate Brown asme sa / astm a387 gr 11 cl. 2, asme sa / astm a387 gr 22 cl. 2, asme sa / astm a387 gr 5 cl. 2, asme sa / astm a387 gr 9 cl. 2. Each grade except Grades 21L, 22L, and 91 is available in two classes of tensile strength described as Class 1 and Class 2.ASME SA387 GR.11 CL. 1 Alloy Steel Plate, ASTM A387 Grade a387 gr11 densityPeople also search as. SA387 gr.11 properties, SA387 GR 11 CL. 1 Hot Rolled Steel Plate, Alloy Steel A387 GR 11 CL. 2 HR Plate, Suppliers of A387 Gr 11 CL.2 Plate, SA387 Grade 11 CL. 1 / 2 chromium-molybdenum alloy steel plates for welded boilers and pressure vessels, SA387 GR 11 Class 1 Plate manufacture, Alloy Steel Plate, ASME SA387 Plates Exporters in Gujarat, AS A387 Gr 11 Plate, SA

    ASTM A387 / A387M - 17a Standard Specification for a387 gr11 density

    A387 / A387M-17a Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum creep resistance~ elevated temperature services~ pressure vessels~ steel plates~ASTM A387 Alloy Steel Plate, Alloy Chrome Moly Plates a387 gr11 densityASTM A387 Alloy Steel Plate Specification Thickness 6MM to 300MM Width 1500mm to 4050mm Length 3000mm to 15000mm Grade A387 2, 5, 9, 11, 12, 22, 91. Propertiess of ASTM A387 ASTM A387 Alloy Steel Plate, Alloy Chrome Moly Plates a387 gr11 densityASTM A387 Alloy Steel Plate Specification Thickness 6MM to 300MM Width 1500mm to 4050mm Length 3000mm to 15000mm Grade A387 2, 5, 9, 11, 12, 22, 91. Propertiess of ASTM A387

    ASTM A387 Alloy Steel Plates, Gr. 5, 9, 11, 12, 22, 91 a387 gr11 density

    ASTM A387 Alloy Steel Plate, ASME SA387 Chromium-Molybdenum Plate, ASTM A387 Grade 5 Class 1 /2 Pressure Vessel Steel Plates, ASTM A387 Gr.9 Steel Plates, ASME SA387 Gr 11 CL1/CL2 Chrome Moly Plates, ASTM A387 Grade 12 CL 1 Cr-Mo Alloy Steel Plate Suppliers, ASTM A387 Gr.22 Class 2 Boiler Steel Plate, ASTM A387 Grade 91 CL 1 /CL2 Alloy Steel Plates Exporters & Manufactures in ASTM A387 Alloy Steel Plates, Gr. 5, 9, 11, 12, 22, 91 a387 gr11 densityASTM A387 Alloy Steel Plate, ASME SA387 Chromium-Molybdenum Plate, ASTM A387 Grade 5 Class 1 /2 Pressure Vessel Steel Plates, ASTM A387 Gr.9 Steel Plates, ASME SA387 Gr 11 CL1/CL2 Chrome Moly Plates, ASTM A387 Grade 12 CL 1 Cr-Mo Alloy Steel Plate Suppliers, ASTM A387 Gr.22 Class 2 Boiler Steel Plate, ASTM A387 Grade 91 CL 1 /CL2 Alloy Steel Plates Exporters & Manufactures in ASTM A387 Alloy Steel, Grade 11, Class 2Alloy Steel, Grade 11, Class 2, Cr-Mo alloy steel plate High service temperature Pressure vessel quality

    ASTM A387 GRADE 22 Class 2 - Alloy steel

    ASTM A387 GRADE 22 Class 2 We supply plates to global fabricators serving the oil, gas and petrochemical industry. These industries require a pressure vessel grade steel which works well in elevated temperatures and our material serves this purpose well.ASTM A387 Gr11 CL1,A387 grade11 class1 Alloy boiler steel a387 gr11 densityASTM A387/A387M A387 Gr11 CL1,A387 grade11 class1 Alloy boiler steel plate BBN steel offer ASTM A387 Gr11 CL1,A387 grade11 class1 Alloy boiler steel plate in China. ASTM A387 Gr 11 CL 1 steel is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service.ASTM A387 Grade 11 Class 1 Steel : MakeItFromASTM A387 grade 11 class 1 is ASTM A387 grade 11 steel in the annealed condition. The graph bars on the material properties cards below compare ASTM A387 grade 11 class 1 to wrought alloy steels in the same category (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set.

    ASTM A387 Grade 11 Class 1, Annealed, Normalized and a387 gr11 density

    Ashby charts See where ASTM A387 Grade 11 Class 1, Annealed, Normalized and Tempered, or Quenched and Tempered falls on the material property chart for Density against Elastic modulus in your materials selection and design process. 0.01 0.1 1 10 100 0.01 0.1 1 10 100 1000 Density, (g/cm3) Elastic modulus, E (GPa)ASTM A387 Grade 11 Class 2 Steel : MakeItFromASTM A387 grade 11 class 2 is ASTM A387 grade 11 steel in the normalized and tempered condition. The graph bars on the material properties cards below compare ASTM A387 grade 11 class 2 to wrought alloy steels in the same category (top), all iron alloys (middle), and the entire database (bottom).ASTM Reference Chart CARBON STEEL ALLOY STEELGrade Pipe Tubing Weld Forging Plate Specs. Specs. Fitting Specs. Specs. Specs. ALUMINUM ALLOYS 6061T6 B-241 B-210 B-361 B-247 B-221

    Alloy Steel A387 GR.11 Cl.2 Plates, GR.11 Cl.2 Alloy SA387 a387 gr11 density

    ASTM A387 GR.11 CL.2 Plates Manufacturer. Marc Steel is a known exporter and supplier of ASTM A387 GR.11 CL.2 Alloy Steel Plates, which has some great features to offer such as rust proof, low maintenance, corrosion proof and more.Alloy Steel ASTM A387 GR.11 CL.2 Plates We are also able to manufacture, trade, and provide service for premium quality range of ASTM A387 GR.11 CL.2 Alloy Alloy Steel Plates - En18 Flat Bars Manufacturer from MumbaiAlloy Steel Plates Leading Manufacturer of en18 flat bars, en 9 steel plates, boiler quality plates sa516 grade 70, alloy steel plates sa387 grade 22 cl.2, alloy steel plates and alloy steel plate gr. p91 for boilers & pressure vessels from Mumbai.C45 steel Applications,C45 steel Physical properties steel a387 gr11 densityC45 steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition.Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.

    C45 steel Applications,C45 steel Physical properties steel a387 gr11 density

    C45 steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition.Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.Chrome Moly Plate, ASTM A387 / ASME SA387 Gr. 5, 9, 11, The density of ASTM A387 Chrome Moly Grade 11 Class 2 Plates is dependent upon the amount and density of the alloying constituents. Our status in the business is generally obvious to our accuracy outlined range of ASTM A387 ASTM A387 Chrome Moly Grade 12 Class 2 Plates in Mumbai, India.Chromium-Molybdenum Steel Plate for Pressure Vessels a387 gr11 densityAug 09, 2009 · As a quality chrome molybdenum steel, A387 Grade 11 Class 2 is used in a variety of industries and is highly effective, particularly in the oil, gas and chemical industry, where liquids and gases are often stored at high temperature (see pressure vessels). The higher levels of chromium also provide excellent corrosion and oxidation resistance.

    Plate - 1.5415 - 16Mo3 Plates Manufacturer from Mumbai

    Manufacturer of Plate - 1.5415 - 16Mo3 Plates, 1.5023 - 38SI7 Plate, 1.5024 - 46Si7 Plate and 1.5025 - 51Si7 Plates offered by Aesteiron Steels LLP, Mumbai, Maharashtra.Plate - 1.5415 - 16Mo3 Plates Manufacturer from MumbaiManufacturer of Plate - 1.5415 - 16Mo3 Plates, 1.5402 15MNMoV4-5 Plates, ASTM A738 Grade B Plates and ASTM A734 Type B Plates offered by Aesteiron Steels LLP, Mumbai, Maharashtra.Rectangular Alloy Steel Plates SA387 GRADE 11 CL.2, For a387 gr11 densityDensity 7.80 g/cm3 Tensile Strength 295 MPa a387 gr11 density Pressure vessel used alloy steel plate ,SA387 Grade 11 CL 2,A387 Grade 11 CL 1 and A387 Grade 11 CL 2 are with Chromium-Molybdenum alloy elements.Pressure vessel steel plate SA387 Grade 11 CL 1 and SA387 Grade 11 CL 2 are in American standard ASME SA 387/SA 387M.Boiler steel plate A387 Grade a387 gr11 density

    SA 387 GR.11 CL.2 Plate, ASME SA387 Grade 11 Class 2 Alloy a387 gr11 density

    People Searched For. astm a387 Grade 11 alloy steel plate, sa 387 GR.11 cl.2 hot rolled alloy steel plates, alloy steel asme sa 387 GR.11 cl.2 plate, sa 387 Gr 11 cl 2 equivalent material, sa 387 GR.11 cl.2 plates in mumbai, sa 387 Gr 11 class 2, sa 387 GR.11 cl.2 plate supplier in mumbai, sa 387 GR.11 cl 2 plate stockists in india, sa 387 GR.11 cl.2 plate suppliers in india, astm a387 Grade a387 gr11 densitySA-387 Steel Plate, Grades 5, 9, 11, 12, 22 and 91 Class 1 a387 gr11 densityASTM A387/ SA387 Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum IN STOCK FOR IMMEDIATE SHIPMENT Mechanical Properties A 387 Grade 5 A 387 Grade 9 A 387 Grade 11 A 387 Grade 12 A 387 Grade 22 Class 1 Class 2 Class 1 Class 2 Class 1 Class 2 Class 1 Class 2 Class 1 Class 2 Tensile Strength (ksi) 60-85 75-100 60-85 75-100 60-85 70-90 50 a387 gr11 densitySA387 & A387 Grade 22 Class 2 Brown McFarlanePlate certified to ASTM A387 Grade 22 Class 2 and ASME SA387 Grade 22 Class 2. Chrome moly pressure vessel plates for high temperature applications. Brown McFarlane can cut plates to size and also cut to specific shapes.

    SA387 Grade 11 CL 1 SA387 Grade 11 CL 2 A387 Grade 11

    Pressure vessel used alloy steel plate SA387 Grade 11 CL 1,SA387 Grade 11 CL 2,A387 Grade 11 CL 1 and A387 Grade 11 CL 2 are with Chromium-Molybdenum alloy elements.Pressure vessel steel plate SA387 Grade 11 CL 1 and SA387 Grade 11 CL 2 are in American standard ASME SA 387/SA 387M.Boiler steel plate A387 Grade 11 Cl 1 and A387 Grade 11 Cl 2 are according to ASTM A387SA387 Grade 11 Steel PlateSA 387 Grade 11 Alloy Steel a387 gr11 densityA387 Grade 11 Alloy Steel Plate is packed loose or Bundle with wire rope / strip or in a wooden palate / box. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation. SA387 Grade 11 Plate packing will be according to international a387 gr11 densitySPECIFICATION CROSS-REFERENCE CHARTa213 t11 a234 wp11 a182 f11 a387 gr.11 a217 wc6 a182 f11 a182 f11 chrome - grade 12 k11562 a335 p12 a213 t12 a234 wp12 a182 f12 a387 gr.12 a217 wc6 a182 f12 a182 f12 chrome - grade 22 k21590 a335 p22 ( smls ) or a691 ( welded ) a213 t22 a234 wp22 a182 f22 a387 gr.22 a217 wc9 a182 f22 a182 f22 chrome - grade 91 k91560 a335 p91 ( smls ) or a691 a387 gr11 density

    Sa387/Astm A387 Gr 5 Class 2A high quality chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures a387 gr11 densitySa387/Astm A387 Gr 9 Class 2Weldable carbon steel plates for pressure vessels and boilers used in elevated temperatures. The material benefits from added chromium and molybden a387 gr11 densitySa387/Astm A387 Gr 11 Class 2A pressure vessel grade steel for use in elevated temperature service, ASME SA387 Grade 11 Class 2 is used in a variety of industries and is highly a387 gr11 densitySa387/Astm A387 Gr 12 Class 2Engineered for use in elevated temperature service, ASME SA387 Grade 12 is a chrome molybdenum carbon alloy steel for use in weldable pressure vess a387 gr11 densitySa387/Astm A387 Gr 22 Class 2We supply ASME SA387 Grade 22 Class 2 plates to fabricators serving the oil, gas and petrochemical industry. These industries require a pressure ve a387 gr11 densitySa387/Astm A387 Gr 91 Class 2Where resistance to high temperature and good anti-corrosion characteristics are required, ASME SA387 Grade 91 Class 2 carbon alloy steel plate is a387 gr11 densityAlloy Steel A387 GR.11 Cl.1 Plates, GR.11 Cl.1 Alloy SA387 a387 gr11 density

    Meanwhile, these ASTM A387 Alloy Steel GR.11 CL.1 Coils have excellent resistance towards heat, stress-corrosion cracking and corrosive medium. Further, this ASTM A387 AS GR.11 CL.1 Sheets is also tested on various parameters of quality and is widely demanded by clients.The offered ASTM A387 AS GR.11 CL.1 Plates are manufactured utilizing best quality raw-material and the advanced technology.Steel Plates And Sheets Stock In All Alloys, Sizes And a387 gr11 densityAstm A516 Gr. 60/70 And A387 Gr 11/ 12/ 22/ Are Boiler Steel Plates. Know More About Test Reports 27 May. Are You Looking For Abrasion Or Wear Resistant Steel Plate For Mining Equipments. Check Hardness First. We Work With Our Clients And Partners To Delivered Flawless & Ontime Products.Wingate Alloys Inc.SA387/ASTM A387 GR 91 CLASS 2. Where resistance to high temperature and good anti-corrosion characteristics are required, ASME SA387 Grade 91 Class 2 carbon alloy steel plate is a material to consider. It is a pressure vessel grade steel which is used commonly by fabricators who supply the oil and gas industry.

    a387 gr12 quality - Acheter Mon Autocaravane

    ASTM A387 - SSAB. ASTM A387. The ASTM A387 specification is the Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum plates used in the application of welded boilers and pressure vessels subjected to elevated temperatures. The two grades SSAB produces are available as Class 1 Get Morea387 gr22cl1 application - LAB STEELA387 Grade 11 Class 1 is a chromium molybdenum alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service. Our plates including A387 Gr11 Cl1 come with mill certificate in accordance with EN 10204 3.1 or EN 10204 3.2. ASME SA387/ SA387M Grade 22 Class 1 Pressure Vessel Steel. Get Pricea387 grade 11 class1 molybdenum alloy steel - Breed Design a387 gr11 densityAlloy Steel Grade 11 Sheet Plate, ASTM A387 Gr 11 Plate Leading manufacturer, suppliers of Grade 11 Alloy Steel Plate, Chrome Moly Steel Gr 11 Sheet, ASTM A387 Alloy Steel Hot Rolled Steel Plates, ChromiumMolybdenum Gr 11 Cold Rolled Sheets, SA387 Gr 11 CLASS 1 Pressure Vessel Plate, A387 Gr 11 CL.2 Sheets in india.

    a387 grade 12 class2 carbon equivalent - JIS Steel Plate

    a387 grade 12 class2 carbon equivalent. ASTM A387 Grade 12 Plate, SA 387 Gr 12 Class 2/1 Plate . ASTM A387 Grade 12 Plate is a chrome molybdenum carbon alloy steel pressure vessel plate mainly used in high temperature application. The ASTM A387 Gr 12 Plate material have added chromium which is good for corrosion and oxidation resistance making it first choice for sour service applications in a387 gr11 densitya387 steel plate application - Carbon steels - Steel Plate a387 gr11 densityA387GR11CL2 Steel Plate, SA537 Grade 11 Class 2 Alloy . Gang steel is a leading manufacturer of A387 GR11 CL2 Steel Plates, ASTM A387Grade 11 CL 2 Steel Pressure Vessel Plates, ASME SA537 GR11 Class 2 Steel Boiler Plates, A387GR11CL2 Chromium Molybdenum Steel Plate suppliers in Shanghai, Chinaa387gr 12 boiler and pressure vessel steel plate - JIS a387 gr11 densitya387gr 12 boiler and pressure vessel steel plate. SA 612 boiler and pressure vessel steel plate, View SA 612 . Boiler plate is widely used in petroleum, chemical industry, power plant, boiler, etc, and used to make the reactor, heat exchanger, separator, spherical tank, gas cylinder, liquid tank, nuclear power reactors island, boiler drum, liquefied petroleum gas cylinders, high pressure water a387 gr11 density

    asme sa 387 grade 11 class 2 plates manufacturers in india a387 gr11 density

    Hot Rolled Steel Plate A387/SA387 Grade 11 Class 2 US $700-750 / Ton( FOB Price) Steel Plate SA387 Gr11 CL2 US $700-750 / Ton( FOB Price) Typical Application of ASME SA387 Grade 11 Class 2 Steel Plate. boilers and pressure vessels, Heat exchangers; asme sa387 grade 11 steel plate specification - Carbon a387 gr11 densityASME SA387, ASTM A387 Chrome Moly Alloy Steel Plates. SA387/A387 Chrome Moly Alloy Steel Plates Suppliers Call Us Now! Yes, Its in Stock and Ready to Deliver High Quality, Lower Cost But The Best Service in Chrome Moly, A387 Steel Plates Metline Industries is a leading stockholder and supplier of ASME SA 387/ASTM A387 grade steel plates, also commonly known as chrome moly steel a387 gr11 densityastm a387 grade 22 class 2 plates manufacturers in india a387 gr11 densitySteel Plate A387 Gr11 CL2 US $700-750 / Ton( FOB Price) Typical Application of ASTM A387 Grade 22 Class 2 Steel Plate. boilers and pressure vessels, Heat exchangers; Flanges, fittings and valves; ducting and pipe supports; ASTM A387 Grade 22 Class 2 Steel Plate Packing & Shipping

    eFunda Glossary Materials Alloys Alloy Steel ASTM a387 gr11 density

    Another common designation of ASTM A387 Grade 11 alloy steel is UNS K11789. Steel is the common name for a large family of iron alloys. Steels can either be cast directly to shape, or into ingots which are reheated and hot worked into a wrought shape by forging, extrusion, rolling, or other processes.eFunda Properties of Alloy Steel ASTM A387 Grade 11Density (×1000 kg/m 3) 7.7-8.03 25 Poisson's Ratio 0.27-0.30 25 Elastic Modulus (GPa) 190-210 25 Glossary. Materials » Alloys » Steel » Alloy Steel » AISI 5117. Materials » Alloys » Steel » Alloy Steel » AISI 8640. Materials » Alloys » Steel » Alloy Steel » ASTM A387 Grade 7. Materials » preheat & post weld heat treatment of SA-387 Gr 11 Class 2 a387 gr11 densityJun 28, 2012 · As the world demands higher performance, higher bandwidth, and greater capacity from smaller, lighter, and lower-power products, high-density advanced packaging (HDAP) becomes a design necessity. Learn what's required to build a true, multi-substrate

    q345d steel sheet china with shear edges mild steel plate a387 gr11 density

    q345d steel plate cheap with shear edges ASTM A240 309S . National Standards of the Peoples Republic of China GB 713 XXXX q345d steel plate cheap with shear edges 12Cr1MoVR steel plates with a thickness greater than 60 mm can be delivered either annealed or tempered. q345d steel plate cheap with shear edges 6.3.5 The steel plates should be delivered with shear cut or flame cut edges.spv235 data sheet mild steel plate,Shipbuilding steel a387 gr11 densityspv235 data sheetspv235 data sheet Q345 steel specification Q345 steel belongs to 16Mn steel grade, usually it is produced in hot rolled state, hot rolled steel plate, hot rolled steel coil/sheet, it has comprehensive mechanical and welding property, as it shows good performance in structural purposes, it is widely used as welding structural part in manufacturing of ship, railway and vehicles a387 gr11 density