RQT 701 Quenched and Tempered Steel Plate

 

 

 

RQT 701 Quenched and Tempered Steel Plate

 

RQT 701 Quenched and Tempered Steel Plate Grade and Specification
Standard ASTM A514/A514M-13
Grade 130 KSI ,140 KSI ,A514 ,A710 ,TMCP 100 KSI ,RQT 701 ,S690QL1 ,S690QL ,S690Q ,S890QL1 ,S890QL ,S890Q ,S960QL ,Weldox 700,WELTEN 780E
Size Thickness:12-60mm
Width: 1500-3500mm
Length: 3000-18000mm
Delivery State Quenched and Tempered
Packing Standard seaworthy package

 

Plates of this type are variously described as:
  •   High Strength Quenched and Tempered Steel Plate
  •   High Yield Quenched and Tempered Steel Plate
  •   High Strength Structural Steel Plate,
  •   High Yield Structural Steel Plate
  •   High Strength Low Alloy Steel Plate
  •   HSLA

 

Chemical Composition of RQT 701 Quenched and Tempered Steel Plate
C
SI
MN
S
P
CR
0.20
0.50
1.60
0.010
0.025
1.00
Mo
Nb
V
Ni
Cu
B
0.70
0.060
0.08
1.50
0.40
0.004

 

Carbon equivalent values
MAXIMUM LADLE CEV (%)
8 mm to 30 mm thick
0.43
over 30 mm to 40 mm thick
0.55
over 40 mm to 100 mm thick
0.59
over 100 mm to 130 mm thick
0.61

 

Mechanical Properties of RQT 701 Quenched and Tempered Steel Plate
OVER 70 TO 130 MM THICK
Minimum Yield Strength (Mpa)
690
630
Tensile Strength (Mpa)
790 - 930
690 - 930
Minimum Elongation 50 mm Guage (%)
18
18
Minimum Average Impact Energy
30 J @ -40°C
30 J @ -40°C
Minimum Individual Impact Energy
21 J @ -40°C
21 J @ -40°C

 

Typical Application of RQT 701 Quenched and Tempered Steel Plate
  •   fabricated bridges tower and building members
  •   components for earthmoving or transport equipment
  •   dipper sticks
  •   bucket parts for power
  •   shovels or cranes
  •   turbine scroll cases and Unfired pressure vessels
  •   penstocks

 

Dealer & Distributors Of Below Manufacturers In India:
JSW Steel Ltd.
POSCO
Salzgitter AG
Nippon Steel & Sumitomo Metal
JSW Steel Ltd.
POSCO

Salzgitter AG

Nippon Steel & Sumitomo Metal
APERAM
Essar Steel
SSAB
JFE Steel Corporation
APERAM
Essar Steel
SSAB
JFE Steel Corporation