1. PRODUCT OVERVIEW
VHR steel strip-seal joint made by Vinh Hung Investment and Production Co., Ltd (Vinh Hung IP) comprises of two steel rails with anchor bars connected to embedded bars in the pier cap of headwall of abutment, elastomeric strip serves
as the trough for drainage and debris, nosing materials: non-shrink mortar or concrete with minimum compressive strength of 40MPa.
There are 2 main types of VHR expansion joint identified by the cross section of the steel rails: VHR-C steel rail expansion joint and VHR-F steel rail expansion joint.
2. PRODUCT CHARACTERISTICS
Totally accommodate to longitudinal movement up to
100mm, and also vertical and transverse movements if any.
Simple in design and installation, high load capacity and
durability.
Designed suitably for flush curb and central reverse.
Totally water-tight.
To ensure the long-lasting durability, VHR steel strip
expansion joints are protected from corrosion with methods
such as: 2-component epoxy coating, PU-based painting
(Polyurethane), hot dip galvanization according to ASTM A123 standards and especially the Al â?? Mg spraying method (at the ratio of 5% Al and 95% Mg) which ensures anti-corrosion durability of up to 100 years, proven by salt-spraying test in 6000 hours (8-hour dry-wet cycle repetition) under ASTM B117 standards.
MATERIAL PARAMETERS
1. PROPERTIES OF METAL ELEMENTS
ITEMS
Tensile strength, min
Yield strength, min
Elongation, min
NO.
1
2
3
REQUIREMENTS
450
345
23
UNIT
MPa
MPa
%
STANDARD
ASTM A709M
PROPERTIES OF RUBBER SEAL
UNIT REQUIREMENTS
Point
Mpa
1
2
3
4
5
Hardness
Tensile strength, min
Ozone resistance, content of ozone in the air
100pphm, 20% deformed at 40o
C x 70h
Elongation at break, min
Hot air aging test in 70 hours at 100o
C
Tensile strength change, max
Elongation change, max
Hardness change
65 ± 5
7
No crack
250
- 20
- 40
0 - 15
STANDARD
ASTM D2240
ASTM D412
ASTM D1149
ASTM D412
ASTM D573
ASTM D573
ASTM D573
ASTM D573
Installation of joints is critical to ensure the lifespan of the expansion joint and smooth traffic. Careful preparation of
machinery, equipment, and highly specialized human resources is required for the installation of high quality expansion joints. The installation method shall be strictly followed to guarantee the actual performance of the product in service.
1. After finishing pavement, cut and clean he trend, adjust embedded bars, laym reinforcement bars on site
2 . Fix the deformed bars, install the fabricated joints, add distribution bars, anchoring bars to embedded bars.
3.
Cure concrete, install rubber seal, allow traffic when concrete
4.
Install formworks and pour non-shrink mortar or high-strength concrete to transition section, check the leveling of
surface.
We deals in the following products of India, China, Taiwan and Korea Origin:- 1)Hot Rolled Steel (Hot Rolled Sheets, Hot Rolled Coils, Hot Rolled Plates, Hot Rolled Bars etc) 2)Galvanized Steel (Galvanized Steel Tapes, Galvanized Steel Wires, Galvanized Steel Strips, Galvanized Steel Coils, Galvanized tubes etc) 3)Cold Rolled Steel (Cold Rolled Steel Strips, Cold Rolled Steel Coils, Cold Rolled Sheets etc) 4)Stainless Steel (Stainless Steel Strips, Stainless Steel Coils, Stainless Steel Wire, Hardened and Tempered Spring Steel, Stainless Spring Steel, Spring Steel Wires etc) 5)Steel Tube and Pipes ( ERW, CRW, CRS, Black, Galvanized, Stainless ) 6)Forged Column Clamps, Girder Clamps, Pressed Clamps, Rapid Clamps, Support Clamps & Wedge Clamps. 7)Heavy Duty Props & Light Duty Props. 8)Nuts, Bolts, Nails & Fastners 9)System Scaffolding, Base Plate & Adjustable Base. 10)Steel Tie Rod, Waller Plates and Wing Nuts. 11)Drop Forged and Pressed Sheet Metal Couplers of all types. 12)Steel Billets, Steel Angle & Steel Channels.
Supplier: Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps
Buyer: Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps
65Mn CK67 high carbon cold rolled spring steel strip Hardened and Tempered Steel Strip Hardened and Tempered is a thermal process that strengthens steel strips through a controlled heating and cooling process. The hardening process involves heating the steel strip to above the rapidly cooling. The steel strip in this condition is extremely brittle and requires further treatment in the tempering. Then strips are reheated to a lower temperature and holding it at the given temperature for a given period of time. This process is done in an inert atmosphere to avoid oxidation. This type of steel strip has big degree of toughness and has excellent spring properties Standard AISI, ASTM, BS, DIN, GB, JIS Place of Origin China Material Hot Rolled Surface Polished Application shutter door, plastic trowel, bricklayer trowel, putty knives, scraper, springs, metal part, shoe insole, shoe accessories, blade, band saw blade Brand Name HENSON Width 2.0mm-300.0mm Length Customize Tolerance +/-10% Hardness 40-55HRC Surface nature, blue, yellow, white, polish Edge Slit,Round,Square MOQ 1000KGS Tolerance thickness+/-0.01mm max,width +/-0.05mm max Type strip,coil,sheet Coil ID 300-500 mm Tensile Strength 540-1575N/mm2 Yield Strength 370-1475N/mm2
Product name05mm Hot Dipped Galvanized Blue Steel Strapping Gi Carbon Steel Strip SpangleRegular spangle Minimal SpangleZero SpangleBig Spangle KeywordGalvanized steel strip Zinc Coating40275gm2 MOQ1 Ton AdvantageFactory directly supply Delivery time515 Days SizeCustomized Size CertificateISO 90012008BV Surface Treatmentgalvanized Applicationmaking pipes Applicationcutting sheets Applicationmaking small tools Applicationmaking corrugated sheets Applicationmaking container Applicationmaking fences StandardASTM CertificateJIS CertificateISO9001 CoatingZ181Z275 TechniqueColed Rolled Based Tolerance 1 Processing ServiceWelding Processing ServicePunching Processing ServiceCutting Processing ServiceBending Processing ServiceDecoiling Spangle TypeZero Spangle Skin PassYes Oiled or NonoiledSlightly Oiled HardnessFull Hard Delivery Timewithin 7 days Place of OriginCNJIA Thickness015mm30mm Width8mm600mm GradeQ235B EH32EH36 CCSACCSBCCSACCSBCCSCCSDCCS