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1.8987

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1.8987 properties and heat treatment forged piece, Including 1.8987 application and specifications, We have all specifications,Including 1.8987 steel plate, 1.8987 sheet, 1.8987 square steel, 1.8987 flat bar,1.8987 round bar,1.8987 forgings, we can own production and sales.


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We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the 1.8987 has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

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Chemical composition % of the ladle analysis of grade 1.8987 and Standards

S620QL1   ( 1.8987 )  
 
Chemical composition % of the ladle analysis   of grade   S620QL1 (1.8987)
Nominal thickness =< 50(mm) CEV max = 0.65
Nominal thickness from 50 to 100 (mm) CEV max = 0.77
Depending on the thickness of the product and the manufacturing conditions, the manufacturer may add to the steel one or several alloying elements up to the maximum values given in order to obtain the specified properties
Nb, Ti, V, Zr: There shall be at least 0.015% of a grain-refining element present. AL is also one of these elements. The minimum content of 0.015% applies to soluble aluminium, this value is regarded as attained if the total aluminium content is at least 0.018%; in case of dispute the soluble aluminium content shall be determined
 

    Grade :     S620QL1     Number:     1.8987     Standard: EN 10025 - 6 : 2004   Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition     Classification:     High yield strength structural steels in the quenched and tempered condition

Mechanical properties of grade   S620QL1 (1.8987)
Temperature -60 -40 -20 0
Notch impact test. Min. absorbed energy 30 40 50 60

Nominal thickness (mm) 3 - 50 50 - 100 100 - 150
ReH - Minimum yield strength (MPa) 620 580 560

Nominal thickness (mm) 3 - 50 50 - 100 100 - 150
Rm -Tensile strength (MPa) 700-890 700-890 650-830
Nominal thickness (mm) -
A - Minimum elongation Lo = 5,65 √ So (%) 15

C Si Mn Ni P S Cr Mo V N Nb Ti Cu Zr B CEV max   0.2 max   0.8 max   1.7 max   2 max   0.02 max   0.01 max   1.5 max   0.7 max   0.12 max   0.015 max   0.06 max   0.05 max   0.5 max   0.15 max   0.005 max   0.83



Equivalent grades of grade   S620QL1 (1.8987)
Germany
DIN,WNr
EStE620V



Machining performance

Download 1.8987 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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