|Model:||ASTM A684 1095|
|Brand:||Hardened Tempered Steel Strips Grade 1080 1095|
|Origin:||Made In India|
|Category:||Construction & Decoration / Lock / Lock Key & Accessories|
|Label:||1080 Hardened Strip , 1085 Hardened Strip , 1095 Hardened Strip|
Hardened Tempered Steel Strips Grade 1080 1085 1095
We are Stockholder & Distributors of Cold Rolled Steel Strip of Low Carbon Steel, Medium Carbon Steel, High Carbon Steel, Spring Steel in Annealed & Hardened Tempered condition according to standard ASTM A682, ASTM A684
ASTM A682 Grade 1050 Cold rolled Strips
ASTM A682 Grade 1055 Cold rolled Strips
ASTM A682 Grade 1060 Cold rolled Strips
ASTM A682 Grade 1065 Cold rolled Strips
ASTM A682 Grade 1070 Cold rolled Strips
ASTM A682 Grade 1075 Cold rolled Strips
ASTM A682 Grade 1080 Cold rolled Strips
ASTM A682 Grade 1085 Cold rolled Strips
ASTM A682 Grade 1095 Cold rolled Strips
ASTM A684 Grade 1050 Cold rolled Strips
ASTM A684 Grade 1055 Cold rolled Strips
ASTM A684 Grade 1060 Cold rolled Strips
ASTM A684 Grade 1065 Cold rolled Strips
ASTM A684 Grade 1070 Cold rolled Strips
ASTM A684 Grade 1075 Cold rolled Strips
ASTM A684 Grade 1080 Cold rolled Strips
ASTM A684 Grade 1085 Cold rolled Strips
ASTM A684 Grade 1095 Cold rolled Strips
Mild Steel Strip
Mild and high carbon steels are defined by their carbon content which governs both their basic mechanical properties of hardness and tensile strength and their ability to develop enhanced properties within various processes such as cold forming or heat treatment.
Mild steels are low carbon variants with carbon levels of up to 0.12% as defined in BS 1449: part 1 1991, with such grades as CS1, CS2, CS3 and CS4. Such Mild Steel Strip has relatively low tensile strength but good ductility levels which facilitate the production of complicated component shapes where required and even allowing deep pressing processes to be carried out.
Mild Steel Strip has a high number of different conditions in which it can be supplied ranging from fully annealed to extra hard rolled, these being delineated by defined hardness levels with annealed at 105 VPN max (equivalent to 370 N/mm² tensile strength) and extra hard rolled as high as 210 VPN plus, (670 N/mm² tensile strength) their intrinsic hardness levels being changeable by cold deformation. This cold deformation is normally carried out by a rolling process. However, it is also possible to generate further property changes by case hardening these steels using such techniques as case-carburising, nitriding and carbo-nitriding. These techniques invo e diffusing carbon and nitrogen into the surface of the components by various combinations of gaseous or solid atmospheres and appropriate temperatures. Case hardening can raise surface hardness levels considerably and provide significantly enhanced wear/abrasion resistance properties.
These surface-hardening processes can result in an attractive and utilitarian combination of high surface hardness and internal toughness or shock resistance. Consequently, Mild Steel Strip offers a highly versatile package of materials, which find extremely wide usage in both domestic and industrial component manufacture. Such components are also often required with surface coatings, either for some corrosion resistance or even cosmetic appearance and coatings such as zinc - ga anizing, tin, aluminium, nickel or copper coating or even chromium plating, can be applied.
High Carbon Steel Strip
High Carbon Steel Strip is valued for its strength properties and operates at significantly higher levels than the mild steel grades. In addition, it is capable of being through-hardened by heat treatment. Of these steels, the Company specialises primarily in the highest carbon grades, with carbon levels of 0.65% upto 1.05% embracing BS 1449: Part 1 1991 standard specifications CS70, CS80 and CS95. Internationally, these would be recognised as Euronorm EN 10132 grades C75S, C85S and C100S, and also AISI 1070, 1080 and 1095 grades.
High Carbon Steel Strip can be produced to a large variety of tensile strengths/hardnesses to suit the subsequent component-manufacturing processes and end uses invo ed. The softened/annealed condition provides maximum deformability for more complex component shapes or, alternatively, lower relative wear on component-forming tools. In this condition hardnesses of 160 - 200 VPN (equivalent to tensile strength up to about 690 N/mm²) would be typical. Whilst processed in the softened condition, subsequent heat treatment can be applied to the components to achieve the final desired strength/hardness levels which could be as high as 650 VPN (tensile strength 2200 N/mm²) depending on the grade. Springiness properties are achieved with these steels, with hardnesses say 380 - 580 VPN (1280 - 1960 N/mm² tensile strength) whilst cutting blade properties of 500 - 650 VPN may also be developed.
High Carbon Steel Strip, in addition to being used in the annealed condition, also can be used in either hard cold rolled or in a pre-hardened and tempered condition depending on the end-use component design and its means of fabrication. Hard cold rolled hardness levels are typically 240 - 320 VPN (equivalent to tensile strengths of 824 - 1090 N/mm²) whilst the pre-hardened and tempered hardnesses range from 380 to 650 VPN (tensile strengths as above).
Hardened & Tempered Steel Strip
Hardened and Tempered Steel Strip (also known as hardened and tempered High carbon steel strip or, hardened and tempered carbon spring steel strip) is the basic raw material from which many different components are made, substantially being spring-type applications ranging from clutch plate segments to washers, retractor springs and even to tree springs in riding saddles and traditional clock springs. These strip products are a speciality of the Company and considerable plant development has taken place in recent years to facilitate a very wide range of dimensions, mechanical properties and coil weights. Hardened and Tempered Steel Strip gauges of between 0.10mm and 2.00mm can be processed and, depending on the appropriate combination to suit the process equipment, strip widths of between 4.76mm to 240mm are produced. The facilities also allow up to 2000kg coils to be produced though most are well below this, being governed by a very approximate relationship of 100kg per 25mm of width.
The steel grades invo ed in this range of Hardened and Tempered Steel Strip products are the higher carbon steels, with the overall carbon range being 0.65 - 1.05%. Within this range are closely defined standards such as, in BS 1449 Part 1 1991, CS70, CS80 and CS95 specifications. Globally, these would be recognised as say AISI grades 1070, 1080 and 1095 and in the relatively recent European specification EN 10132-4 as C67S, C75S and C100S.
Technically, the Hardened and Tempered Steel Strip produced by the Company is that in the martensitic condition where high levels of hardness are achieved which are then accompanied by the appropriate ductility and shock resistance properties the user industries require. The heat treatments invo ed are carried out on continuous production lines, each line containing 2 furnaces, the first of which heats the steel to temperatures from which, after rapid cooling, the steel is fully hardened. At this stage the steel, whilst very hard, is also very brittle and it is the second furnace in the production line, the tempering furnace, that reheats the steel to temperatures at which the steel is softened slightly and develops some ductility and impact resistance. Typically, steel is hardened from temperatures of 880/920°C whereas the tempering process uses temperatures of 400 - 580°C and the selection of temperatures in this range is critical as it determines the final hardness (and tensile strength) of the steel. With the range of steel grades invo ed hardness levels of between 380 VPN to 650 VPN are possible, the steels with the highest carbon levels being most suitable for hardening to the upper ranges of hardness. With accurate tempering temperature control the range of hardness achieved on any one item can be restricted to 30 - 40 VPN. Thus, across the whole range of high carbon steels, a large number of very specifically-tailored strip products can be engineered for particular end-use applications.
These steels are most commonly produced with sheared edges and a slightly oxidised blue black (also called blue grey) finish, as these conditions are fully acceptable in engineering component manufacture. Steel strip with enhanced properties can be produced by edge machining the strip, either before or after the hardening and tempering process. Edge-dressed strip is material where the edge condition from the previous slitting process has been removed, in the Company's case by a very effective in-line, 2-sided machining process which removes the sheared edges which naturally contain a level of micro-cracks and are also of a relatively rough nature. The dressed edge confers a substantial engineering benefit in improved fatigue-resistance properties, this being of particular value in arduous spring-type applications.
The strip edge can be machined to either round or square profiles, round being the preferred profile for fatigue-resistance benefits. A square edge has a more particular application in that it gives a high quality reference plane for use in doctor blade applications where one strip edge is processed to the final blade profile used for example in the paper manufacturing industry.
A further benefit of edge dressing is to increase handling safety aspects where the sheared edges may be considered hazardous to the end applications. Whilst the mechanical properties of the strip are still the dominant factors, there may be personal contact with the end product or where the sheared edge may damage any coverings applied to the product. Examples of this would be where the steel is used in prosthetic limbs or even when covered with fabric such as in photographic reflectors.
The surface finish of Hardened and Tempered Steel Strip products is not too critical in general engineering applications where the normal blue black (also known as blue grey) oxidised finish from the heat treatment is satisfactory. By control of the atmospheres in the furnaces non-oxidised surfaces can also be produced, on a selected basis, and alternatively, steels can be satin or bright polished where needed, these finishes being as much for cosmetic reasons as for engineering purposes.
Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN 10204 3.1 / DIN 50049 3.1 / ISO 10474 3.1 Mill Test Certificate, NACE MR-0103 / NACE MR-0175 / ISO 15156, CE Marked, European Pressure Equipment Directive PED-97/23/EC, AD-2000-WO, ASME Boiler & Pressure Vessel Code Sec.II Part A Ed. 2008, API 6A (American Petroleum Institute), with 3.2 certificate duly Certified & Approved by LRS (Lloyd's Register), GL (Germanischer Lloyd), BV (Bureau Veritas), DNV (Det Norske Veritas), ABS (American Bureau of Shipping), SGS, TUV, RINA, IRS, NORSOK Approved Standard M-630, M-650 Rev.3
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ROLEX METAL DISTRIBUTORS
( A METAL & STEEL Company )
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