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 |
 |
 |
 |
 |
APERAM |
Essar Steel |
SSAB |
JFE Steel Corporation |