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Gangsteel supply EN10025-6 S620QL1, EN 10025-6 S620QL1,1.8987 QT high strength steel plate. We also provide the cutting service, our thickess 5mm to 180mm. S620qL1 steel plate similar material: S590Q, S690Q, S690QL, S690QL1, WQ690D, Q550D, WQ590D, WH70Q, WDB620E, WH785E S620q steel plate executive standard: EN10025-6, GB/T1627
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overaging, n—aging underneath circumstances of time and temperature higher than these required to obtain most change in a certain property, so that the property is altered away from the maximum. overheating, n—heating a metal object to such a high temperature that excessive grain progress occurs. DISCUSSION—Unlike burning, it might be possible to revive the unique properties/microstructure by additional warmth treatment or mechanical working, or a mixture thereof.
masses, comparable to the impact of the working wind assumed for the appliance. Shape coefficients obtained from wind-tunnel or full-scale tests may also be used. equipment within the wind, are given in the chapter coping with the design of mechanisms.
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in accordance with the working circumstances and the speeds to be attained. beginning or braking are calculated for the various structural members. the part being lastly designed on the idea of the more unfavourable of those two values. because of the working load by a factor referred to as the “dynamic coefficient” ψ. For the needs of group classification, d is taken by conference as equal to 3.
S620QL1
S620Q, S620QL, EN 10025-6 S620QL1 steel plate heat treatment process (quenching and tempering)
1. S620 steel plate is a quenched and tempered high-strength steel plate. The series grades are S620Q, S620QL, and EN 10025-6 S620QL1. It is a low-carbon non-alloy structural steel plate of European standard EN10025-6.
Domestic Gang Iron and Steel Company can produce it.
In order to ensure its performance, this type of steel plate has a carbon content below 0.2%.
Chemical composition for EN 10025-6 S620QL1 High strength steel (Heat Analysis Max%)
| Main chemical elements composition of EN 10025-6 S620QL1 | |||||||
|
C |
Si |
Mn |
P |
S |
N |
B |
Cr |
|
0.20 |
0.80 |
1.70 |
0.020 |
0.010 |
0.015 |
0.005 |
1.50 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
|
|
0.50 |
0.70 |
0.06 |
2.0 |
0.05 |
0.12 |
0.15 |
|
2. S620Q, S620QL, EN 10025-6 S620QL1 steel plates, where S means structural steel, and Q means that the impact temperature of the steel plate is -20°C,
Then QL means that the impact temperature of the steel plate is -50°C. Then guess what QL1 represents. QL1 means that the impact temperature of the steel plate is -60°C. 620 means that the thickness of the steel plate is £50mm. The minimum yield strength value is specified.
3. The steel specified in this standard can be used for the production of hot-rolled plates with steel grades S460, S500, S550, S620, S690, S890, and S960 series steel plates with a minimum nominal thickness of 3mm and a maximum nominal thickness of ≤150mm. After quenching and tempering
The specified minimum yield strength of steel is 460MPa1) to 960 MPa1)
Mechnical property for EN 10025-6 S620QL1 High strength steel:
| Thickness (mm) | |||
|
EN 10025-6 S620QL1 |
≥ 3 ≤ 50 |
> 50 ≤ 100 |
> 100 |
|
Yield strength (≥Mpa) |
620 |
580 |
560 |
|
Tensile strength (Mpa) |
700-890 |
700-890 |
650-830 |
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4. Steel grades and varieties
The standard specifies 7 steel grades, and they have different yield strengths under ambient temperature conditions.
When required, all supplied steel grades from the following varieties shall be specified.
The minimum value specified for impact energy when the temperature is not lower than -20°C (no mark).
When the temperature is not lower than -50℃, the specified minimum value of impact energy is represented by L.
(Except for S960) The minimum specified impact energy when the temperature is not lower than -60℃ is represented by L1.
In quenching and tempering delivery conditions (Q) and grade L: steel EN 10025-6-S460QL; or steel EN10025-6-1.8906.
5. Delivery conditions of S620Q, S620QL, EN 10025-6 S620QL1 steel plate
Quenching + tempering (Q).
Note: Quenching and then tempering directly after hot rolling is considered equivalent to conventional quenching and tempering.
6. Impact performance of S620Q, S620QL, EN 10025-6 S620QL1 steel plate
S620Q at -20℃; S620QL at -50℃; EN 10025-6 S620QL1 at -60℃
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values given in order to acquire the required properties (see 7.2.2). NOTE 6—In assigning UNS numbers, and consequently in searching complete listings of numbers, the predominant factor of the metal or alloy usually determines the prefix letter of the sequence to which it is assigned. In sure cases the place no one element predominates, arbitrary decisions are made as to what prefix letter to make use of, depending on the manufacturing trade and different components.
What is EN10025-6 s620ql1 equal grade and standards?
ASTM A514Gr.B A514Gr.P ASTM A514 A514M
High-strength structural board Q390C Q390D Q390E, Q420A Q420B Q420C Q420D Q420E, GB T3274-2007
Q460C Q460D Q460E, Q500C Q500D Q500E, Q550C Q550D Q550E, Q620C Q620D Q620E, Q690C Q690D Q690E GB T1591-2008
XGQ690E Q XGJX34-2008
Q460CFC Q460CFD Q460CFE, Q500CFC Q500CFD Q500CFE, Q550CFC Q550CFD Q550CFE, Q620CFC Q620CFD Q620CFE, Q690CFC Q690CFD YB T4137-2005
Foreign high-strength structural panel S355J2 (additional welding seam cold bending test requirements) EN10025-2:2004
S355N, S355NL EN10025-3:2004
S355M, S355ML, S420M ML, S460M ML EN10025-4: 2004
S460Q S460QQL S460QQL1, S500Q S500QL S500QL1, S550Q S550QL S550QL1, S620Q S620QL S620QL1 EN10025-6:2004
A572Gr.60, A572Gr.65 ASTMA572 A572M-2007
A678Gr.A A678Gr.B A678Gr.C A678Gr.D ASTMA678 A678M-2005
SM490YA SM490YB, SM520B SM520C, SM570 JIS G3106-2008
- Yet they aren’t equivalent since there are variations of their chemical compositions and mechanical properties.
- At finest, one may be able to group comparable metal requirements together based mostly on some outlined set of rules, which has been done on this handbook.
- Comparing steel requirements just isn’t an exact science and can’t be made into a mathematical equation the place two sides of an equation are equal to at least one another, since there will always be differences between requirements.
- For instance, ASTM A 516/A 516M Grade 70 is corresponding to JIS G 3118 image SGV 480 and to EN metal name P295GH, based mostly on chemical compositions and mechanical properties.
- Therefore, this handbook uses the time period comparative to denote similar standards that have been compared to each other.
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