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High-strengthquenched and temperedsteel
WQ960type high strengthquenched and temperedsteel,makingthe pressure hullpieces,deeptidesaving, high-pressurestructural parts, aerospaceequipment, armored vehicles, manufactureof various types ofconstruction machinery,such as mininganddrilling rigused invarious types ofconstruction, power shovel,electric wheeldump trucks,mining vehicles, excavators,loaders,bulldozers,various types of cranes, coalhydraulic supportand othermachinery and equipment andwear-resistantstructural partsWQ960Dproduction process
Hot metal pretreatmenttop and bottom blowingconverter→→ LFfurnace→ RHvacuum treatment→→billetcontinuous castingbilletheatingtest →→high pressurewater descaling→→finishing→ ACCroughingwater-cooledcooling bed→straightening→cooling →finishing→Shottemperingtreatment →→→finished product storageperformance test.UsingLF,feedSi- Ca - Balines andRHvacuum treatment,to ensurecleanlinessof steel.
WuyangsteelS960QL,high-strength steelseries of varieties.
Wugangyield strength590Mpa ~ 960MPa,is widely used inthe manufacture100 tonsabovethe tubfloor,pumping machinery, excavators,truck crane, crawler cranes, coalhydraulic supportand so on.
Steel Type | thickness(mm) | Carbon content(%) |
S960Q、S960QL WQ960D、WQ960E | 10～30 | ≤0.56 |
31～60 | ≤0.61 | |
Mechanical Properties
specification (mm) | Re (Mpa) | Rm (Mpa) | A (%) | Shock temperature (℃) | AKV (J) | Cold-formed d=3a | ||
20 | 1010 | 1070 | 14.5 | －40℃ | 52 | 63 | 41 | good |
20 | 1000 | 1060 | 16 | －40℃ | 46 | 40 | 46 | good |
25 | 995 | 1050 | 16 | －40℃ | 76 | 53 | 61 | good |
25 | 1000 | 1050 | 15.5 | －40℃ | 66 | 55 | 63 | good |
25 | 1000 | 1060 | 15 | －40℃ | 66 | 74 | 46 | good |
50 | 975 | 1030 | 16 | －40℃ | 60 | 65 | 63 | good |
Quenchedtypewear-resistant steel：SS590Q Q550D WQ590 WH70Q S690Q S690QL WQ690D S690QL1 WDB620E WH785E WNM360A WNM360B WNM400A WNM400B
Wear plates：WNM360E.WNM400E.WNM450A.WNM500A.WRZ360.WRZ400A.
High-strengthquenched and temperedsteel：WQ690D.S960Q.WH100QD.WQ960E.S960Q.WQ890D.A514GrQ/A517GrQ/E
690/EQ70.A514GrF.
