High Strength Steel Plate


High Tensile Plates supplier in India

High Strength Steel Plate


Stockist of High Tensile Steel Plates for extreme temperatures, high weldability and rolled condition



Distributor of High Yield Steel Plate with a yield strength between 210 MPa-550 MPa, check high strength steel plate price, thickness and grades


The overall strength of the High Tensile Plates can easily be improved by adding elements such as carbon and manganese in alloy steel’s chemical composition. But adding these alloying elements might reduce the fabricability of the steel, and as a result the plate might become hard to weld.

The hot rolling procedures followed by normalizing can be executed for manufacturing these plates. This gives the plates a homogeneous and fine grain structure, and that is why the High Strength Plates are widely used in passenger vehicle production. One of the main reasons behind this is, the plates are quite lightweight- the automobile manufacturers basically reduce the weight of the product to maximize its performance and the high strength sheets can help with that. You would find these sheets and plates in a wide range of automobile equipment including buses, trains, trucks, etc.

There are several benefits of the High Tensile Steel Plate and that is why their usage is become quite popular across various industries:

  • This is economic as by increasing the strength of the plate, its structural section can be reduced. It also depends on the structural problem but it would surely reduce the erection and fabrication cost. As a result, the procedure can help to save a lot of money.
  • Also, by introducing special aesthetics, the size of the structural elements can be reduced easily. This can get embedded in the environment in an outstanding way.
  • As the construction process would be conducted using less steel, thus there will be a reduction in consumption. This is an important feature given the fact that how scarce the earth’s resources are getting with each passing day.
  • The modern High Tensile Strength Steel Plates exhibit high strength values, enhanced toughness and improved safety, in both fabrication and application procedures.


What is High Strength Steel Plate ?

The High Strength Steel Plate can be described as a plate that comes with increased strength. They also possess good formability and weldability. These plates are known for resisting atmospheric corrosion much better compared to any other type of conventional stainless steel.

There are many reasons behind using the High Tensile Plate, we have listed some of them below:

  • The structural section of the steel can easily be reduced by increasing the steel’s strength.
  • The High Yield Steel Plate can also effectively reduce the structural element’s size, which, in turn, makes it possible to develop them into a structure that looks elegant and has an aesthetic appeal.

High Strength Steel Plate


High Tensile Plate Grades

  • Grade: EN26 high tensile steel
    Equivalent Grade; BS970 Part 3-1991 826M40, BS970-1955 EN26, AS 1444-1996 X9940,
  • Grade: 4140 high tensile steel
    Equivalent Grades; BS970-1955, AS1444-1996 4140, ASTM A29/29M 1991 4140, EN19A, BS970 Part 3-1991 709M40, SAE/AISI 4140
  • Grade: 4145H high tensile steel
    Equivalent Grade; UNS H41450, SAE J1268, API Spec 7, ASTM A304
  • Grade: EN25 high tensile steel
    Equivalent Grade; BS970 Part 3-1991 826M31, BS970-1955 EN25, AS1444-1996 X9931,
  • Grade: 4340 high tensile steel
    Equivalent Grade; BS970-1955, AS1444-1996 4340, ASTM A29/29M 1991 4340, EN24, BS970 Part 3-1991 817M40, SAE/AISI 4340
  • Grade: 300M high tensile steel
    Equivalent Grades; UNS K44220, DIN 1.6928, ASTM A646
    AMS 6417, ASTM A579, MIL S-8844D, AMS 6419,  S-8844 Class 2


A572: Gr 50, Gr 42,
A656 Gr 50
17100: ST 52.3, ST 44.3 IS 2062: E350, E300, E450, E410 SAILMA: 350HI, 300HI, 450HI, 410HI
IS 8500: FE540, FE 490, FE 440, FE 570 
EN 10025: S355
EN 10113, S275
BS 4360: 50, 43
G 3106: SS520, SM 490
G 3101: SS490


Specification of High Yield Steel Plate   

Specification High Tensile Steel Plates
Production Cold-Rolled (CR) and Hot-Rolled (HR) Manufacturer and Supplier
Width 1000 MM - 3000 MM
Thickness: 3 MM - 250 MM
Lengths: up to 20 M
Application Sugar Mills , Oil & Gas , Ship Building , Chemicals & Fertilizers Industries , Paper Industries , Cement Industries , Petrochemicals , etc


High Tensile Plates Price list

Type Description Malaysia FOB Price USA FOB Price Singapore FOB Price Europe FOB Price Saudi Arabia (KSA) FOB Price
    Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr Unit Per mtr
High Strength steel plate Size : 16mm x 1500mm x 6000mm Malaysia Ringgit 4.56 US $ 1.12 Singapore Dollar 1.50 Euro 0.94 Saudi Riyal 4.20
High Tensile plate Size : 12.7mm x 1500mm x 5000mm Malaysia Ringgit 4.48 US $ 1.1 Singapore Dollar 1.47 Euro 0.92 Saudi Riyal 4.13


Cold Rolled (CR) and Hot Rolled (HR) High Strength Steel Plate supplier in Asia for construction, structural & offshore applications


various Types of High Strength Plates Available



High strength weldable steel plate Minimum Energy Values

Quality Test Temperature °C
-60 -40 -20 -50
ML 27J
M 40J
QL 30J
Q 30J
QL1 30J


Technical Parameters of High Strength Alloy Steel Plate

Steel Grade Executive Standard
Q295(A, B), GB/T1591-94
16Mn 15MnV, 12Mn, 15MnVN 14MnNb GB3274-88
Q345(A, E, C, D, B)≥ 102mm Q/WTB8 - 2000
Q345(A, E, C, D, B)≤100mm GB/T1591-94
Q550(E, D), Q500(E, D), Q690(E, D), Q620(E, D) GB/T16270
Q390(A, E, C, D, B) Q420(A, E, C, D, B) Q460(E, C, D) GB/T1591-94
SM490(A, B, C), SM490Y(A, B) SM520(B, C), SM570 JIS G3106
St44-3, St52-3, St50-2 St60-2, St70-2 DIN17100
SS490, SS540 JIS G3101
StE355, StE315, StE460, StE380 StE420, StE500 DIN17102
S275( J0, JR, J2G4, J2G4 ) S355(J2G4, J2G3, J0, K2G4, JR, K2G3) E335, E295, E360 EN10025
A572M(Gr42, 60, 50, 65) A633M(A, E, C, D) ASTM
E460(DE, D), E420(DE, D), E550(DE, D) High-strength low-alloy (HSLA) ISO4950-3
WH410LK(BB41BF) WH490LK(BB503) special purpose and condition
S420N, S460NL S275NL, S460N, S275N, S355N, S420NL, S355NL EN10113
WH60(A, E, C, D, B), WJX013-2001
50(A, B, C, D, DE, DE, F) 43(A, E, C, D, BE), 55(C, EE, F) BS4360
WH80 WYJ002-2002
WH70 WYJ060-2000
E355(DE, D), E460(CC, DE, D) ISO4950-2
Fe430(A, B, C, D) Fe510(B, C, D) ISO630


High Tensile Steel Plate Density

Steel, high strength alloy ASTM A514 7.8 690
Steel, AISI 4130, water quenched 855 °C (1570 °F), 480 °C (900 °F) temper 7.85 951
Acrylic, clear cast sheet (PMMA) 1.16 72


Strength Requirements of High Strength Steel Sheet

Grade Nominal Thickness t (mm)
Minimum yield strength ReH, MPa
50 < t ≤ 100 3 ≤ t ≤ 50 100 < t ≤ 150
S500Q 480 500 440
S460Q 440 460 400
S960Q 960
S550Q 530 550 490
S690Q 650 690 630
S620Q 580 620 560
S890Q 830 890
Tensile strength Rm, MPa
S500Q 590-770   540-720
S690Q 760-930   710-900
S620Q 700-890   650-830
S460Q 550-720   500-670
S550Q 640-820   590-770
S890Q 880-1100


Exporter of 16- 40mm Thick Hot Rolled High Strength Plates in various materials at factory price in India


High Tensile Stainless Steel Plate Chemical Composition

Al S Ni Cr C Mo Si Mn P
0.015 max 0.005 max 2.0 max 1.50 max 0.20 max 0.70 max 0.80 max 1.70 max 0.0.20 max


Mechanical Properties of High Tensile Steel Plate

Thickness milimeter Re MPa Rm MPa A %
> 50 ? 100 650 760 – 930 14
< 50 690 770 – 940 14
> 100 630 710 – 900 14


High Strength Carbon Steel Plate Heat Treatment

Treatment time & manner of cooling Heat Treatment Temperature °C
min. 30 minutes, 2 minutes/mm thickness
in the furnace Slow cooling
Stress relieving 550 to 580 (target 560)


High Tensile plate Classes for hot-dip zinc coating 

Classes Composition wt - %
Si + 2.5P Si P
Class 2 ≤0.35
Class 1 ≤0.090 ≤0.030
Class 3 0.14 ≤ Si ≤ .25 ≤0.035


Benefits of High Yield Steel Plate

  • Safety
  • Architecture
  • Economy
  • Environment