ASTM A387 Grade 91 Class 2 Plates – Stockist, Suppliers & Exporters

ASTM A387 Grade 91 Class 1, 2 Plates

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ASTM A387

ASTM A387 is the technical delivery standard covering the supply of chrome molybdenum pressure vessel alloy steel plates.

The introduction of chrome molybdenum increases the materials temperature tensile strength making it an excellent choice for elevated temperature environments. The material also displays excellent corrosion resistant characteristics. ASTM A387 is therefore ideal for the fabrication of weldable steel pressure vessels and industrial boilers found commonly in the petrochemical and oil industry.

CHEMTECH ALLOYS PVT LTD stocks an extensive range of ASTM A387 Class 2 plates, which are available for shipping worldwide. Our plates are pre-tested to stringent standards which means in many cases we are able to ship to you immediately. Should you have more specific testing requirements we can arrange third party testing for you. Even in the event that a particular grade is not currently in stock, we can arrange shipping to you directly from the mill itself.

High quality A387 Grade 91 Class 2 – manufactured at some of the world’s finest steel mills, this chrome–molybdenum alloy has excellent resistance to high working temperatures making it ideal for use in the oil, gas, chemical and power generation industry applications. We supply to fabricators who serve these industries on a global basis.

Our plates can be supplied from our own stockholding or directly from the mill – all plates come with mill test certification and individual stampings. Third party testing can be arranged at the customers request.

Chromium & Molybdenum content (according to the ASTM specification):

Designation Nominal Chromium Content (%) Nominal Molybdenum Content (%)
A387 Grade 91 9.00% 1.00%

Tensile Requirements for Class 2 Plates

Designation Requirement Grade 91
A387 Grade 91 Tensile strength, ksi [MPA] 85 to 110 [585 to 760]
Yield strength, min, ksi [MPa]/(0.2% offset) 60 [415]
Elongation in 8 in. [200mm], min %
Elongation in 2 in. [50mm], min, % 18
Reduction of area, min %

Chemical Requirements

Carbon (C) %
Heat Analysis:
Product Analysis:
0.08 – 0.12
0.06 – 0.15
Manganese (Mn) %
Heat Analysis:
Product Analysis:
0.30 – 0.60
0.25 – 0.66
Phosphorus (P) %
Heat Analysis:
Product Analysis:
0.020
0.025
Sulphur (S) (Max) %
Heat Analysis:
Product Analysis:
0.010
0.012
Silicon (Si) %
Heat Analysis:
Product Analysis:
0.20 – 0.50
0.18 – 0.56
Chromium (Cr) %
Heat Analysis:
Product Analysis:
8.00 – 9.50
7.90 – 9.60
Molybdenum (Mo) %
Heat Analysis:
Product Analysis:
0.85 – 1.05
0.80 – 1.10
Nickel (Ni) %
Heat Analysis:
Product Analysis:
0.40
0.43
Vanadium (Vn) %
Heat Analysis:
Product Analysis:
0.18 – 0.25
0.16 – 0.27
Columbium (Nb) %
Heat Analysis:
Product Analysis:
0.06 – 0.10
0.05 – 0.11
Nitrogen (N) %
Heat Analysis:
Product Analysis:
0.030 – 0.070
0.025 – 0.080
Aluminium (Al) %
Heat Analysis:
Product Analysis:
0.02
0.02
Titanium (Ti) %
Heat Analysis:
Product Analysis:
0.01
0.01
Zirconium (Zr) %
Heat Analysis:
Product Analysis:
0.01
0.01

ASTM A387 Grade 91 Class 1, 2 Plates Stock Of Following Make ( Origin)

Astm A 387 Gr. 11 Class 2 Plates stockist of VOESTALPINE(AUSTRIA) SA387 Grade 91 Class 2 Steel Plates of KOBE STEEL, LTD.(JAPAN)
ASTM A387 Grade 91 Class 2 Steel Plate stock of JFE STEEL CORPORATION (JAPAN) Stockholder of SA387 Grade 91 Alloy Steel Plates of NUCOR STEEL (USA)
ASTM A387 Steel Plate, astm a387 gr 11 cl 2 steel plates of ARCELOR MITTAL (USA) Steel Plate SA387/A387 Grade 91 Class 2 plates of JINDAL STEEL AND POWER LTD (USA)
A387 Gr11 Cl2 Steel Plate, SA387 Grade 91 plates of SSAB ALABAMA INC.(USA) ASTM A387 Grade 91 Class 2 Chrome Moly Steel plates of AZOVSTAL IRON & STEEL WORKS (UKRAINE)
SA387 Grade 91 Alloy Steel Plate of NIPPON STEEL & SUMITOMO METAL CORPORATION (JAPAN) A387 Grade 91 Class 2 pressure vessel steel plates of ESSAR STEEL INDIA LIMITED (INDIA)
SA387 Grade 91 Chrome Moly Plate of KOBE STEEL, LTD.(JAPAN) A387 Grade 91 Class 2 Hot Rolled Structural Steel Plates of JINDAL STEEL AND POWER LTD (INDIA)
astm a387 Grade 91 class 2 plate stockist of NUCOR STEEL (USA) A387 Grade 91 Structural Quality Steel Plates of VOESTALPINE(AUSTRIA)
astm a387 Grade 91 class 2 plate suppliers of JINDAL STEEL AND POWER LTD (USA) ASTM A387 Hot Rolled Carbon Steel Plates of JFE STEEL CORPORATION (JAPAN)
astm a387 Grade 91 class 2 plate exporters of AZOVSTAL IRON & STEEL WORKS (UKRAINE) astm a387 Grade 91 class 2 plate traders of POSCO (SOUTH KOREA)
ASTM A387 Grade 91 Class 2 Steel Plate Suppliers of ESSAR STEEL INDIA LIMITED (INDIA distributor of astm a387 Grade 91 class 2 of JFE STEEL CORPORATION (JAPAN)
astm a387 Grade 91 class 2 plate distributors of JINDAL STEEL AND POWER LTD (INDIA) Alloy Steel Grade 91 Class 1 Sheets of NIPPON STEEL & SUMITOMO METAL CORPORATION (JAPAN)
Grade 91 Chromium-Molybdenum Steel Plates of VOESTALPINE(AUSTRIA) ASTM A387 Alloy Steel Grade 91 Class 1 Cold Rolled Sheets of ARCELOR MITTAL (USA)
a387 Grade 91 plate Supplaiers of NIPPON STEEL & SUMITOMO METAL CORPORATION (JAPAN) A387 Grade 91 Class 1 Alloy Steel Plates of JINDAL STEEL AND POWER LTD (USA)
SA-387-Chromium-Molybdenum Alloy Steel Pressure Vessel Plates of POSCO (SOUTH KOREA) A387 Gr. 91 Cl. 1 AS Coils and plates of AZOVSTAL IRON & STEEL WORKS (UKRAINE)
A387 Grade 91 Class 2 Hot Rolled Alloy Steel Plates of JFE STEEL CORPORATION (JAPAN) ASTM A387 Alloy Steel Grd 91 Class 1 Slatting Coils of ESSAR STEEL INDIA LIMITED (INDIA)
SA387 Grade 91 Class 1 Steel Plates of SSAB ALABAMA INC.(USA) ASME SA 387 Alloy Steel Sheets Stockists & Exporter of JINDAL STEEL AND POWER LTD (INDIA)

Origin of Plates

Nippon Steel Sumitomo Metal

Arcelor Mittal

Voestalpine(Austria)
JFE Steel Corporation (Japan)
Nippon Steel & Sumitomo Metal Corporation (Japan)
 Arcelor Mittal (USA)

 

POSCO (South Korea)

SSAB Alabama Inc.(USA)
Kobe Steel, Ltd.(Japan)
Nucor Steel (USA)
Jindal Steel Azovstal Essar Steel

Jindal Steel Power

JINDAL STEEL AND POWER LTD (USA)
Azovstal Iron & Steel Works (Ukraine)
M/s ESSAR STEEL INDIA LIMITED (India)
 JINDAL STEEL AND POWER LTD (India)

Cities We Deliver API Grade Plates

London(United Kingdom)

New York(United States)

Los Angeles(California)

Moscow(Russia)

Chiyoda(Tokyo)

Bangkok(Thailand)

Seoul(South Korea)

Dammam(Saudi Arabia)

Chennai(Tamil Nadu)

Doha(Qatar)

Ludhiana(Punjab)

La Victoria(Venezuela)

Brisbane(Queensland)

Riyadh(Saudi Arabia)

Madrid(Spain)

Courbevoie(France)

Dubai (Middle east)

Sydney(South Wales)

Abu Dhabi(United Arab Emirates)

Kuala Lumpur(Selangor)

Ankara(Turkey)

Lagos(Nigeria)

Manama(Bahrain)

Melbourne(Victoria)

Atyrau(Kazakhstan)

Al Jubail(Saudi Arabia)

Montreal(Canada)

Vung Tau(Vietnam)

Milan(Italy)

Petaling Jaya(Malaysia)

Rio de Janeiro(Brazil)

Busan(South Korea)

Hanoi(Vietnam)

Port-of-Spain(Trinidad and Tobago)

Al Khobar(Saudi Arabia)

Santiago(Chile)

Gimhae-si(South Korea)

Ulsan(South Korea)

Algiers(Algeria)

Caracas(Chacao)

Jeddah(Saudi Arabia)

Toronto(Canada)

Perth(Australia)

Muscat(Oman)

New Delhi

Houston(USA)

Granada(Spain)

Geoje-si(South Korea)

Mumbai (maharashtra)

Dallas(Texas)

Sharjah(UAE)

Aberdeen(Washington)

Jakarta(Indonesia)

Bogota(Colombia)

Cairo(Egypt)

Calgary(Alberta)

Ho Chi Minh City(Vietnam)

Dubai(UAE)

Tehran(Iran)

Istanbul(Turkey)

Ahvaz(Iran)