JFE 780 LE



JFE-HITEN780 Series and JFE-HITEN980
Designation
(Thickness mm)
Heat
Treatment
Chemical Composition (%)   Tensile Test*1) Bending Test (180° ).2) Charpy Impact Test (2mmV) *3)
Thickness
(mm)
C Si Mn P S Cu Ni Cr Mo V Nb B Ceq   PCM Yield Strength (N/mm2) Tensile
Strength
(N/mm2)
  Elongation
(%)
  Bending Radius (Test Specimen No.1) Test Temperature (℃) Absorbed Energy (J)
Thickness
(mm)
Thickness
(mm)
Thickness
(mm)
Test
Specimen
Thickness
(mm)
Thickness (mm)
JFE-HITEN780M
(6-150)
QT t≤ 100
100
≤ 0.14
≤ 0.18
≤ 0.35
≤ 0.35
≤ 1.20
≤ 1.20
≤ 0.015
≤ 0.015
≤ 0.015
≤ 0.015
≤ 0.50
≤ 0.50
0.30/1.50
0.30/1.50
≤ 0.70
≤ 0.80
≤ 0.60
≤ 0.60
≤ 0.05
≤ 0.05
-
-
≤ 0.005
≤ 0.005
t ≤ 50
50< t ≤ 100
100< t
≤ 0.53
≤ 0.57
≤ 0.62
≤ 0.30
≤ 0.32
̶
t ≤ 75
75< t
≥ 685
≥ 665
780/930 t< 16
16< t <
50 20< t
> 16
≥ 24
≥ 16
No.5
No.5
No.4
t < 32 32< t 1.5t
2.0t
12<t < 32 32<t < 50 50<t -20
- 25
- 35
≥ 47
≥ 47
≥ 47
JFE-HITEN980
(6 - 120)
OT - ≤ 0.14 ≤ 0.35 ≤ 1.20 ≤ 0.010 ≤ 0.005 ≤ 0.70 ≤ 4.00 ≤ 0.80 ≤ 0.80 ≤ 0.15 ≤ 0.02 ≤ 0.005 t ≤ 50
50< t ≤ 100
100< t
≤ 0.59
≤ 0.62
≤ 0.71
≤ 0.29
≤ 0.33
≤ 0.36
t ≤ 75
75< t ≤ 100
100< t
≥ 885
≥ 865
≥ 865
950/1130
950/1130
930/1110
t ≤ 16
16< t ≤ 50
20< t
≥ 12
≥ 19
≥ 12
No.5
No.5
No.4
t ≤ 32
32< t
2.0t
2.5t
12 - 60 ≥ 47

JFE-HITEN780 Series and JFE-HITEN980

Designation
(Thickness mm)
Heat
Treatment
Chemical Composition (%)   Tensile Test*1) Bending Test (180° ).2) Charpy Impact Test (2mmV) *3)
C Si Mn P S Cu Ni Cr Mo V Nb B Ceq   PCM Yield Strength (N/mm2) Tensile
Strength
(N/mm2)
  Elongation
(%)
  Bending Radius (Test Specimen No.1) Test Temperature (℃) Absorbed Energy (J)
Thickness
(mm)
Thickness
(mm)
Thickness
(mm)
Test
Specimen
Thickness
(mm)
Thickness (mm)
JFE - HITEN570U2
(6 – 100)
QT ≤ 0.09 0.15/0.55 ≤ 1.60 ≤ 0.025 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - - - ≤ 0.20 t ≤ 16
16< t ≤ 40
40< t ≤ 75
75< t
≥ 460
≥ 450
≥ 430
≥ 420
570/700 t ≤ 16
16< t ≤ 50
20< t
≥ 20
≥ 28
≥ 20
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
12< t - 5 ≥ 47
JFE - HITEN590E
(6 – 75)
QT ≤ 0.09 0.15/0.55 1.00/1.60 ≤ 0.020 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - - - ≤ 0.20 - ≥ 450 590/710 t ≤ 16
16< t ≤ 50
20< t
≥ 20
≥ 28
≥ 20
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
6≤ t ≤ 20
20< t ≤ 32
32< t ≤ 50
50< t
5
- 5
- 10
- 20
≥ 47 **
≥ 47
≥ 47
≥ 47
JFE - HITEN610E (6 – 75) QT ≤ 0.09 0.15/0.55 1.20/1.60 ≤ 0.025 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - - - ≤ 0.20 ≥ 490 610/730 t ≤ 16
16< t ≤ 50
20< t
≥ 19
≥ 27
≥ 19
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
6≤ t ≤ 20
20< t ≤ 32
32< t ≤ 50
50< t
0
- 5
- 15
- 25
≥ 47 **
≥ 47
≥ 47
≥ 47
JFE - HITEN780EX
(6 – 60)
QT ≤ 0.09 ≤ 0.55 0.60/1.50 ≤ 0.015 ≤ 0.010 ≤ 0.50 0.30/1.50 ≤ 0.80 ≤ 0.60 ≤ 0.05 ≤ 0.03 ≤ 0.005 t ≤ 34
34< t ≤ 60
≤ 0.53 *
≤ 0.57 *
≤ 0.23
≤ 0.25
t ≤ 50
50< t ≤ 60
≥ 685
≥ 665
780/930
760/910
t ≤ 16
16< t ≤ 50
20< t
≥ 16
≥ 24
≥ 16
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
12< t ≤ 32
32< t ≤ 60
- 20
- 25
≥ 47
≥ 47

High Tensile Strength Steel Plates for High Heat-input Welding

Designation
(Thickness mm)
Heat
Treatment
Chemical Composition (%) Tensile Test*1) Bending Test (180° ).2) Charpy Impact Test (2mmV) *3)
C Si Mn P S Cu Ni Cr Mo V Nb B PCM Yield Strength (N/mm2) Tensile
Strength
(N/mm2)
  Elongation
(%)
  Bending Radius (Test Specimen No.1) Test Temperature (℃) Absorbed Energy (J)
Thickness
(mm)
Thickness
(mm)
Thickness
(mm)
Test
Specimen
Thickness
(mm)
JFE - HITEN570E (6 – 100) QT ≤ 0.09 0.15/0.55 ≤ 1.60 ≤ 0.020 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - ≤ 0.20 t ≤ 16
16< t ≤ 40
40< t ≤ 75
75< t
≥ 460
≥ 450
≥ 430
≥ 420
570/700 t ≤ 16
16< t ≤ 50
20< t
≥ 20
≥ 28
≥ 20
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
12< t - 5 ≥ 47
JFE - HITEN590E (6 – 75) QT ≤ 0.09 0.15/0.55 1.00/1.60 ≤ 0.020 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - ≤ 0.20 - ≥ 450 590/710 t ≤ 16
16< t ≤ 50
20< t
≥ 20
≥ 28
≥ 20
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
6≤ t ≤ 20
20< t ≤ 32
32< t ≤ 50
50< t
5
- 5
- 10
- 20
≥ 47**
≥ 47
≥ 47
≥ 47
JFE - HITEN610E (6 – 75) QT ≤ 0.09 0.15/0.55 1.00/1.60 ≤ 0.020 ≤ 0.010 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.30 ≤ 0.06 ≤ 0.03 - ≤ 0.20 - ≥ 490 610/730 t ≤ 16
16< t ≤ 50
20< t
≥ 19
≥ 27
≥ 19
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
6≤ t ≤ 20
20< t ≤ 32
32< t ≤ 50
50< t
0
- 5
- 15
- 25
≥ 47**
≥ 47
≥ 47
≥ 47

High Tensile Strength Steel Plates for Civil Engineering and Industrial Machinery

Designation
(Thickness mm)
Heat
Treatment
Chemical Composition (%) Tensile Test*1) Bending Test (180° ).2) Charpy Impact Test (2mmV) *3)
Thickness
(mm)
C Si Mn P S Cu Ni Cr Mo V Nb B Ceq PCM Yield Strength (N/mm2) Tensile
Strength
(N/mm2)
  Elongation
(%)
  Bending Radius (Test Specimen No.1) Test Temperature (℃) Absorbed Energy (J)
Thickness
(mm)
Thickness
(mm)
Thickness
(mm)
Test
Specimen
Thickness
(mm)
JFE - HITEN590SA (6 – 40) CR or TMCP - ≤ 0.18 ≤ 0.55 ≤ 2.00 ≤ 0.030 ≤ 0.020 Other elements are added as required. ≤ 0.45 - - ≥ 450 590/710 t ≤ 16
16< t ≤ 50
20< t
≥ 20
≥ 28
≥ 20
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
- - -
JFE - HITEN590SB (6 – 40) - ≤ 0.18 ≤ 0.55 ≤ 2.00 ≤ 0.030 ≤ 0.015 Other elements are added as required. ≤ 0.45 - 12< t - 10 ≥ 47
JFE - HITEN590SL(6 – 50) CR or TMCP - ≤ 0.16 0.20/0.55 0.80/1.60 ≤ 0.030 ≤ 0.015 - - - ≤ 0.35 ≤ 0.08 ≤ 0.05 - ≤ 0.46 ≤ 0.22 t ≤ 32 32< t ≥ 450
≥ 430
590/710
570/705
t ≤ 16
16< t ≤ 20
20< t
≥ 20
≥ 26
≥ 20
No.5
No.5
No.4
- 1.5t 6 ≤ t ≤ 36
36< t
- 40
- 20
≥ 27 **
≥ 27
JFE - HITEN690S(6 – 25) CR or TMCP - ≤ 0.15 ≤ 0.55 ≤ 2.00 ≤ 0.030 ≤ 0.015 Other elements such as Nb, V and Ti are added as required. ≤ 0.50 - - ≥ 550 690/830 t ≤ 16
16< t
≥ 17
≥ 25
No.5
No.5
- 1.5t 12< t - 10 ≥ 47
JFE - HITEN780S (5 – 160) QT t ≤ 50 ≤ 0.25 ≤ 0.55 ≤ 1.60 ≤ 0.030 ≤ 0.015 - - ≤ 0.70 ≤ 0.30 ≤ 0.10 Ti:0.005/0.02 ≤ 0.005 ≤ 0.53 - t ≤ 75
75< t ≤ 160
≥ 685
≥ 665
780/930
780/930
t ≤ 16
16< t ≤ 32
20< t
≥ 16
≥ 24
≥ 16
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
5≤ t ≤ 12
12< t ≤ 20
20< t ≤ 32
32< t ≤ 160
-
- 5
- 15
- 20
-
≥ 35
≥ 35
≥ 35
50< t ≤ 100 ≤ 0.20 ≤ 0.50 ≤ 0.50 ≤ 1.50 ≤ 0.60 Ti:0.005/0.02 ≤ 0.61
100< t ≤ 160 ≤ 0.18 ≤ 0.50 ≤ 0.50 ≤ 1.50 ≤ 0.60 Ti: ≤ 0.03 ≤ 0.70
JFE - HITEN780LE(5 – 203.2) QT or TMCP t ≤ 19
19< t ≤ 32
32< t ≤ 50
50< t ≤ 70
70< t ≤ 160
160< t ≤ 203.2
≤ 0.20 ≤ 0.40 ≤ 1.40 ≤ 0.025 ≤ 0.015 - - ≤ 0.20 ≤ 0.15 ≤ 0.08 ≤ 0.03 ≤ 0.005 ≤ 0.40* - - ≥ 685 780/930 t ≤ 16
16< t ≤ 40
20< t
≥ 16
≥ 24
≥ 16
No.5
No.5
No.4
t ≤ 32
32< t
1.5t
2.0t
5≤ t < 6
6≤ t < 12
12≤ t ≤ 160
160< t ≤ 203.2

- 40
- 40
- 40

≥ 40 ***
≥ 40
≥ 35
≤ 0.43*
≤ 0.80 ≤ 0.40 ≤ 0.53*
≤ 0.65*
≤ 0.18 ≤ 1.50 ≤ 0.80 ≤ 0.10 ≤ 0.73*
≤ 0.18 ≤ 0.55 ≤ 1.60 ≤ 0.60 ≤ 0.75 ≤ 1.50 ≤ 0.80 ≤ 0.10 Ti: ≤ 0.03 ≤ 0.78* 160< t ≤ 203.2 ≥ 610 700/850
JFE - HITEN980S(5 – 50.8) QT - ≤ 0.18 ≤ 0.35 ≤ 1.20 ≤ 0.020 ≤ 0.020 ≤ 0.70 ≤ 2.00 ≤ 0.80 ≤ 0.80 ≤ 0.08 ≤ 0.02 ≤ 0.005 ≤ 0.65 - - ≥ 885 950/1130 t ≤ 16
16< t ≤ 50.8
20< t
≥ 12
≥ 19
≥ 12
No.5
No.5
No.4
t ≤ 32
32< t
2.0t
2.5t
5≤ t ≤ 12
12< t ≤ 20
20< t ≤ 32
32< t

- 10
- 25
- 30

≥ 35
≥ 35
≥ 35
JFE - HITEN980LE (5 – 50.8) QT t ≤ 32 32< t ≤ 50.8 ≤ 0.18 ≤ 0.40 ≤ 1.40 ≤ 0.020 ≤ 0.015 - - ≤ 0.80
≤ 1.50
≤ 0.60
≤ 0.80
≤ 0.10 ≤ 0.03 ≤ 0.005 ≤ 0.58*
≤ 0.65*
- - ≥ 900 980/1150 t ≤ 16
16< t ≤ 50.8
20< t
≥ 12
≥ 19
≥ 12
No.5
No.5
No.4
t ≤ 32
32<
2.0t 2.5t 5≤ t < 6
6≤ t < 12
12≤ t < 50.8

- 40
- 40

≥ 40 ***
≥ 40
JFE – HYD960LE (5 – 63.5) QT or TMCP t ≤ 32 ≤ 0.18 ≤ 0.70 ≤ 1.70 ≤ 0.020 ≤ 0.010 - - ≤ 1.00 ≤ 0.60 ≤ 0.08 - ≤ 0.004 ≤ 0.64* - t ≤ 50.8 ≥ 960 980/1150 t ≤ 40
40< t
≥ 12 No.5
No.4
- 3.0t 5≤ t < 6
6≤ t ≤ 63.5

- 40

≥ 27****
32< t ≤ 50.8 ≤ 0.20 ≤ 0.90 ≤ 0.70*
50.8< t ≤ 63.5 50.8< t ≤ 63.5 ≥ 930 950/1120
JFE – HYD1100LE (12 – 32) TMCP - ≤ 0.20 ≤ 0.70 ≤ 1.70 ≤ 0.020 ≤ 0.010 - - — ≤ 1.00 ≤ 0.90 ≤ 0.08 - ≤ 0.004 ≤ 0.70* - - ≥ 1100 1180/1500 - ≥ 12 No.5 - 4.0t - - 40 ≥ 27

Dimensional Tolerance, Shape, and Appearance

Designation Dimensional Tolerance, Shape, and Appearance
590, 590U2, 590E 610, 610U2, 610E 690, 690M, 710, 710M 780M
980
Dimensional tolerances of thickness, width, and length, flatness, and shape are in accordance with JIS G 3115.
570U2, 570E 590S, 590SL 690S
780S, 780LE, 780EX
980S, 980LE, HYD960LE, HYD1100LE
Dimensional tolerances of thickness, width, and length, flatness, and shape are in accordance with JIS G 3193.

TYPICAL PROPERTIES OF JFE-HITEN

JFE-HITEN 610U2 ─ 590N/mm2 Class High Tensile Strength Steel Plates with good Weldability
Chemical composition
Designation Th ic
(mmkne)ss
C Si Mn P S Pcm
JFE-HITEN610U2 75 0.08 0.26 1 44 0.005 0.002 0.18
Conventional 590N/mm2g rade 50 0.13 0.26 1.29 0.011 0.003 0.23

Mechanical properties of plate
Designation Tensile test Charpy impact test
YS
(N/mm2)
TS
(N/mm2)
El*
(%)
Temp.
(t)
Dir. Absorbed energy
(J)
JFE-HITEN610U2 534 624 31* - 10 L 275
Conventional 590N/mm2g rade 566 668 50 - 10 L 269

JFE-HITEN 610E ─ 590N/mm2 Class High Tensile Strength Steel Plates for High Heat-input Welding

Chemical composition
Designation Th ic
(mmkne)ss
C Si Mn P S Pcm
JFE-HITEN610E 25 0.08 0.20 1.33 0.008 0.003 0.17
Mechanical properties of electro-gas arc welded joint
Welding condition Tensile strength
of welded joint
(N/mm2)
Charpy impact test
Groove configuration Welding material Heat input
(kJ/mm)
Test location Test temp.
(°C)
Absorbed energy
(J)
DWS–1LG 120 617
618
Weld metal 0 113
- 25 82
Fusion line 0 244
- 25 171
Center of HAZ 0 271
- 25 171

JFE-HITEN 780EX ─ 780N/mm2 Class High Tensile Strength Steel Plates with High Weldability

Designation Thickness (mm) C Si Mn P S Pcm
JFE-HITEN780EX 34 0.08 0.20 1.05 0.004 0.001 0.22

Mechanical properties of plate
Tensile test Charpy impact test
YS TS El* Temp. Dir. Absorbed energy
(N/mm2) (N/mm2) (%) (°C)   (J)
769 844 24 - 40 L 286

JFE-HITEN 980 ─ 980N/mm2 Class High Tensile Strength Steel Plates with High Weldability

Thickness (mm) C Si Mn P S Pcm
75 0.09 0.25 1.14 0.005 0.001 0.27

Mechanical properties of plate

Tensile test(1/4 t) Charpy impact test(1/4 t)
YS TS El* Temp. Dir. Absorbed energy
(N/mm2) (N/mm2) (%) (°C)   (J)
930 977 25 0 C 208
- 60 C 158

Mechanical properties of submerged arc welded joint

Welding condition Tensile strength
of welded joint
(N/mm2)
Charpy impact test
Groove configuration Welding material Heat input
(kJ/mm)
Test location Test temp.
(t)
Absorbed energy
(J)
PFH-100J/US
-100J
45 977
981
Weld metal - 10 109
Fusion line 136
Center of HAZ 248

Countries We Export to


Unisteel & engineering manufactures and exports ​JFE 780 LE Hot Products​ to various countries such as Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Chile, Venezuela, Ecuador, Netherlands, Brazil, Vietnam, South Africa, Nigeria, Mexico, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Colombia, Ghana, Iran, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Poland, Qatar, Spain, France, United Kingdom, Indonesia, Israel, Iran, Russia, Romania, Thailand, Trinidad & Tobago,Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia


Cities We Deliver to


Unisteel & engineering manufactures and exports ​JFE 780 LE Hot Products to multiple cities such as Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gujarat, Gurgaon, Ahmedabad, Seoul, Hyderabad, Nashik , Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad,Gujarat, Houston, Dubai, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Howrah, Sydney, Ahvaz, Karachi, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo

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