About AM/NS Plates

Salient Features
AM/NS India at a Glance

Years of
Experience

Manufacturing
Capacity

Grades of
Steel

Clients Served
Worldwide
The heavy plates are rolled in thickness ranging
between 6 mm and 150 mm, with
a maximum
width of 4,900 mm and maximum length of
25,000 mm. The maximum
unit plate weight is
17 MT. The plates are catered to various
application
segments including line pipe,
boilers and pressure vessels, wind energy,
yellow goods, ship building and defense.
Breaking boundaries with every roll, India's premier plate mill crafts 5-meter-wide plates to perfection, boasting a whopping 1.5 MTPA capacity while adhering to global standards.
AM/NS India plates excel with making techniques that ensure low sulphur, phosphorous, and gas content. Calcium treatment and inclusion shape control enhance toughness, fatigue life, weldability, and shape properties.
TMCP with ADCO and DQ facilities yield steel plates with superior abrasion resistance, wear performance, formability, and high tensile strength, all with remarkable toughness
AM/NS India's cutting-edge HAGC, Gamma Thickness Gauge, and L-2 Automation enable tailored steel plate production with precise thickness, width, length, and profiles to meet specific project or application needs.
Years of
Experience
Manufacturing
Capacity
Grades of
Steel
Clients Served
Worldwide
Grade | *IS 2062 : 2011 | JISG3101 : 2015 | ASTM A36 : 2005 | EN10025 : 2004 |
Structural Steel | E250 A, B0, BR | SS400 | A36 | S275J0 |
*For Retail Segment AMNS shall guarantee as per IS 2062:2011 |
As Rolled, Normalizing Rolling |
Thickness Tolerances | ||
Nominal Thickness (mm) | Tolerances on nominal thickness(mm) As per EN 10029 / ASTM A20 / IS 1852 | |
Lower (mm) | Upper (mm) | |
≥ 6 < 8 | -0.3 | 0.3 |
≥ 8 < 15 | -0.4 | 0.4 |
≥ 15 < 25 | -0.5 | 0.5 |
≥ 25 < 40 | -0.6 | 0.6 |
≥ 40 < 60 | -0.8 | 0.8 |
≥ 60 < 80 | -1 | 1 |
≥ 80 < 100 | -1.2 | 1.2 |
≥ 100 < 150 | -1.6 | 1.6 |
Description | Nominal Tolerance, mm |
Yield Strength, MPa | 250 Min |
Tensile Strength, MPa | 410 Min |
Elongation, GL = 5.65 √S0 | 23% Min |
Properties | AM/NS | |||
Yield Strength, MPa | 250 Min | |||
Tensile Strength, MPa | 410 Min | |||
Elongation, GL = 5.65 √S0 | 23% Min | |||
AMNS shall provide Impact test value as per IS 2062:2011 & end user requirements |
Product Category | Hardness Level |
Rockstar 400 | 360-430 BHN |
Rockstar 450 | 425-475 BHN |
Rockstar 500 | 450-540 BHN |
Product Category | Hardness Level | |||
Rockstar 400 | 6 - 80 mm | |||
Rockstar 450 | 6 - 50 mm | |||
Rockstar 500 | 6 - 50 mm | |||
Up to 3500mm, higher width can be provided with case-to-case basis, depending on thickness. |
Quenched /Quenched and tempered: |
The plates are delivered with sheared or thermally cut edges. Untrimmed edges can also be delivered with prior agreement. |
Plates can be delivered in shot blasted and primer coated surface condition. |
Tensile properties given in below table are typical values normally observed in 20mm thick plate for reference purpose only. |
||||
Grade & Thickness | Yield strength (Min-MPa) | Tensile strength (Min-MPa) | % Elongation (GL = 50 mm) | Charpy V-Notch Impact toughness (Min) |
Rockstar 400 | 1000 | 1250 | 12 | 27 Joules min @ -40℃ |
Rockstar 450 | 1100 | 1350 | 10 | 27 Joules min @ -20℃ |
Rockstar 500 | 1200 | 1450 | 8 | 27 Joules @ 0℃ |
* Tensile Properties shall be provided based on case-to-case properties |
PENSTAR steel plates are manufactured in TMCP rolled condition and quenched and tempered condition. They are designated according to their process of manufacturing followed with the grade number as given in table below: |
||||
Grade Name | Specification | |||
PENSTAR TM | Plate manufactured through TMCP rolling condition | |||
PENSTAR TM 540 6.0 - 40.0mm | PENSTAR TM 570 6.0 - 40.0mm | PENSTAR TM 600 6.0 - 40.0mm | ||
PENSTAR QT | Plate manufactured through Q&T process condition | |||
PENSTAR QT 537 6.0 - 80.0mm | PENSTAR QT 517 6.0 - 80.0mm | PENSTAR QT 560 6.0 - 80.0mm | PENSTAR QT 610 6.0 - 80.0mm | |
PENSTAR QT 650 6.0 - 80.0mm | PENSTAR QT 710 6.0 - 80.0mm | PENSTAR QT 780 6.0 - 80.0mm | PENSTAR QT 950 6.0 - 80.0mm |
Product Category | Thickness | Width | ||
PENSTAR TM | 6 - 40 mm | Up to 3000mm; higher width can be provided with case-to-case basis, depending on thickness | ||
PENSTAR QT | 6 - 80 mm | Up to 3500mm; higher width can be provided with case-to-case basis, depending on thickness | ||
Individual size (Thick x Width) capability can be assessed based on the actual sizes. |
Thermo-Mechanical/ Control Process (TMCP)/ Quenching & Tempering (Q&T) |
The plates are delivered with sheared or thermally cut edges. Plates can be delivered in shot blasted and primer coated surface condition. |
As per Specification |
As Rolled (AR) / Normalised / Normalised + Tempered / Quenched + Tempered. |
Thickness | Thickness tolerance as per ASTM A20 / EN 10029 | |||
Length and Width | Tolerance as per the requirements of ASTM A20 / EN 10029 | |||
Flatness | Tolerance as per the ASTM A20 / EN 10029 | |||
Surface Quality | As per ASTM A20 / EN 10163 | |||
Ultrasonic test (For plates) | As per ASTM 578 / EN 10160 | |||
Note: Tighter tolerances on dimensions and flatness can be supplied on case-to-case basis. |
Thickness (mm) | 6.0 - 25.0 mm |
Width (mm) | 1500 - 3000 mm |
Tolerance | As per EN 10029:2010 |
Width | As per EN 10029:2010 |
Flatness | As per EN 10029 Class N:2010 |
Surface Quality | As per EN 10163-2 Class B, Sub Class 3 |
Ultrasonic Testing | According to EN 10160 class S1E1 on each plate |
Quenched & Tempered, Shot Blasted and Primed |