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Alloy steel is steel alloyed with a variety of elements in total amounts of between 1.0% and 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low alloy steels and high alloy steels. The difference between the two is somewhat arbitrary: Smith and Hashemi define the difference at 4.0%, while Degarmo, et al., define it at 8.0 %.[1][2] Most commonly, the phrase "alloy steel" refers to "low alloy" steels.
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Home » Alloy and Carbon Steel » Product introduction
EN19 EN19T EN19U Alloy Steel
- Numbers: 2011030720
- Model: EN19 EN19T EN19U
- Producers:
- Update time: 2011.03.07
- Browse:
Product Description:
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EN19 is a high quality, high tensile Alloy steel usually supplied readily machineable in ‘T’ condition, giving good ductility and shock resisting properties combined with resistance to wear.
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TYPICAL ANALYSIS |
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C.
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Si.
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Mn.
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Cr.
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Mo.
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0.40%
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0.25%
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0.70%
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1.20%
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0.30%
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Hardening:
Heat uniformly to 820/840°C until heated through. Quench in oil.
Tempering:
Heat uniformly and thoroughly at the selected tempering temperature, and hold at heat for one hour per inch of total thickness.
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Heat |
Tensile
Strength Rm N/mm² |
Yield
Stress Re N/mm² |
a% on
5.665ÖSo |
Impact
Izod J |
Impact
KCV J |
Proof
Stress rp0.2 |
Hardness
HB |
Size
mm |
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R
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700/850
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495
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15
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34
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28
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480
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201/225
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>100≤250
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S
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775/925
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555
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13
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27
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22
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540
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223/277
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>150≤250
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S
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775/925
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585
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15
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54
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50
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570
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223/277
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>63≤150
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T
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850/1000
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680
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13
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54
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50
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665
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248/302
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>29≤100
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U
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925/1075
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755
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12
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47
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42
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740
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269/331
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>13≤63
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V
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1000/1150
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850
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12
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47
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42
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835
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293/352
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>6≤29
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W
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1075/1225
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940
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12
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40
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35
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925
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311/375
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>6≤19
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