EN 10025-6 S550QL 1.8926 a high strength bar for prestressing concrete

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Gangsteel supply EN10025-6 s550ql and EN10027-1 s550ql and EN10027-2 1.8926 steel plate. thickness 3mm to 180mm.Heat treatment of S550QL steel plate: Quenching and tempering (Q+T) S550QL is a European standard special alloy structural steel, attributed to quenched and tempered high yield strength structural steel, S indicates structural steel, 550 is the yield value, unit MPa, Q indicates delivery
Conditions, L indicates that the temperature is not lower than -50��, the specified smaller value of impact energy, S550QL steel is a trademark in the EN 10025-6 specification, this specification rules that the smaller nominal thickness of the steel is 3mm, and the larger nominal thickness ≤

Since non-alloy S235JR is well weldable and bendable, the fabric works out to be well suited to use in non-critical buildings. The machinability traits of the EN Steel Pipe materials is corresponding to that of gentle steel grades. Typically S235JR pipes underneath this specification can be used in structural functions similar to car buildings, the development of buildings and bridges, and instruments and cutters as well as for some components in shipbuilding. The EN specification refers to a set of European requirements which cover structural steels along with specifying their technical supply situations as nicely.

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However, the Cr-Al-Mo alloys in this group are typically used as nitriding steels, and the EN steels are the closest match for this group. So excluding them could be a disservice to the person, since they belong to the same utility household and its inclusion in this group will direct the consumer to other similar nitriding alloys.

This particular grade ic categorised in Part 2 of the Euronorm specification EN 10025. The letter capital S in the term EN S235JR Pipe signifies a structural steel that reveals a minimal yield strength properties of round 235 MPa. On the opposite hand, the letters with a designation JR confirms that the supply has been administered a Charpy V-notch impression check. At room temperature, the value of the impression checks of the EN S235J2 Material stands at 27 joules.

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Gangsteel produce EN10025-6 s550ql and EN10027-1 s550ql and EN10027-2 1.8926 steel plate. thickness 3mm to 180mm.Heat treatment of S550QL steel plate
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Likewise, since alloys steels and stainless steels are usually selected based on their chemistry, it was determined that chemical composition would be used to check them. An exception to the above methodology is for the structural steels knowledge in Chapter three, the place the tensile power was used as the main comparability criterion for carbon and alloy steels. This exception was made because structural steels are generally selected based mostly on their mechanical properties. Also in this same chapter, excessive-energy low-alloy steels are handled as a subcategory to alloy steels, though ASTM A 941 defines them separately.

Resulfurized carbon steels are designated throughout the collection 11XX, resulfurized and rephosphorized carbon steels 12XX and steels having manganese contents between 0.9 and 1.5 %, but no other alloying components are designated 15XX. Composition ranges for manganese and silicon and maximum percentages for sulfur and phosphorus are additionally specified. For alloy steels, the primary two digits of the SAE system describe the major alloying components present within the material, the first digit giving the alloy group.

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stress relieving, n–heating a metal object to an appropriate temperature, holding it long sufficient to reduce residual stresses, after which cooling it slowly sufficient to minimize the event of recent residual stresses. surface hardening, n–a generic time period covering any of several processes that, by quench hardening only, produce in a metal object a surface layer that is more durable or more put on resistant than the core.

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For probably the most half, present techniques such as the SAE designations, had been integrated into the UNS in order that some familiarity was given to the system where possible. For example, the UNS prefix letter for carbon and alloy steels is “G,” and the first four digits are the SAE designation, for instance, SAE 1040 is UNS G10400. Carbon and alloy steels not referred to within the SAE system are categorized beneath the prefix letter “K.” Knowing that a metal is non-comparable may be simply as essential as knowing that there are comparative steels. Otherwise, valuable time could be wasted looking for something that doesn’t exist.


What is different in EN10025-6 S550Q S550QL and S550QL1?

S550Q, S550QL, S550QL1 are European standard quenched and tempered high-strength structural steel plates.
S550Q, S550QL, S550QL1 organize production and implement European standard EN10025-6.
S550Q, S550QL, and S550QL1 conform to EN10029 standard for appearance quality deviation.
The main difference between S500, QS550QL and S550QL1 is low temperature impact toughness: Q means -20℃ impact; QL means -40℃ impact; QL1 means -50℃.

What is EN10025-6 S550QL Carbon Equivalent: CEV?

Thickness, mm

Max CEV based on the ladle analysis







What is EN 10025-6 QT steel plate referring standard?
EN 1011-2 Welding-Recommendations for welding of metallic materials-Part 2: Recommendations for arc welding of ferritic steels
EN 10020: 2000 definition and classification of steel grades
EN 10025-1: 2004 Hot-rolled structural steel products-Part 1: General technical delivery conditions
EN 10027-1 Steel naming system-Part 1: Steel names and symbols
EN 10027-2 Steel naming system-Part 2: Steel number
EN 10163-1 Delivery requirements for surface conditions of hot-rolled steel plates, wide flat products and sections-Part 1: General requirements.
EN 10163-2 Delivery requirements for surface conditions of hot-rolled steel plates, wide flat products and sections-Part 2: Plates and wide flat products
EN 10164 Steel products with through-thickness performance-Technical delivery conditions


EN10025-6 S550QL Mechanical Properties



Yield Strength

Tensile Strength


Charpy V Notch Impact Test


Min Value



Min Mpa


Min %
















Note: Impact energy for impact test is on longitudinal

EN10025-6 S550QL Chemical Composition


The Element Max (%)






























differential heating, n–heating that deliberately produces a temperature gradient inside a steel object such that, after cooling, a desired stress distribution or variation in properties is current throughout the object. direct quenching, n–in thermochemical processing, quenching immediately following the thermochemical therapy.

  • cold remedy, n–exposing a metal object to temperatures under room temperature for the aim of obtaining desired circumstances or properties, similar to dimensional or structural stability.
  • conditioning warmth therapy, n–a preliminary heat remedy used to arrange a metal object for a desired response to a subsequent heat treatment.
  • The minimal content of 0.015% applies to soluble aluminium,this value is thought to be attained if the entire aluminium content material material is a minimum of 0.018%; in case of dispute the soluble aluminium content material shall be determined New opportunities for consumers!
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Unitedsteel Mill Supply High power metal plate, and have various stock dimension, if you require high strength metal plate, please contact us via Email to contact us. The standard includes cast steels to be used in general engineering together with equipment , automotive, armament , agriculture etc. The normal applies to castings joined by weld solely when the welding is completed at the foundry and never when the castings are welded to wrought steels. Each chapter describesthe manufacture, salient properties and typical uses ofthe varied materials, with the aim of making sure theirappropriate utility within consciousness of their eco-logical influence.

high speed steel yield strength EN10025-6 S550Q 1.8924 steel plate

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Revised the definition for heat evaluation by including a discussion section in 3.1. mood brittleness, n–brittleness that outcomes when certain steels are held inside, or are cooled slowly via, a sure range of temperature under the transformation range. tempering, n–reheating a quench hardened or normalized steel object to a temperature below Ac1, after which cooling it at any desired price. thermochemical treatment, n–a heat treatment carried out in a medium suitably chosen to provide a change within the chemical composition of the steel object by exchange with the medium. time quenching, n–interrupted quenching by which the length of holding in the quenching medium is controlled. transformation ranges, n–these ranges of temperature within which austenite types during heating and transforms during cooling. stabilizing therapy, n–any remedy supposed to stabilize the microstructure or dimensions of a steel object.

Gangsteel trade item:
1.Payment Item: T/T,L/C
2.Trade Terms:CIF,FOB,CFR,CNF
3.Delivery Time: 10-30days
4. Steel Services: Cutting, Painting, shot blasting, Pretreatment, and The Third Party Inspection in DNV,BV, LR, GL, ABS, CCS , CE Mark, TUV, ISO, and others in super thick steel plate.
5.Packaging Details: Standard export seaworthy packing or as required.
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7.Offer Ability:5000MT/Per Month.
8.MOQ:1 Pcs.