High quality ASTM / ASME A /SA 387 Grade 91 / F91 Plates are manufactured at Gautam tubes. These plates are ideal for use in gas, chemical, oil and power generation industries. We supply plates to the customer on the basis of a global standard. We stock an extensive range of 387 plates which are available in various standards, specifications, designations and custom dimensions. Our plates are manufactured under stringent industrial design codes which mean to produce high quality of products. We also regularly supply other chrome and moly plates.
These plates are chromium and molybdenum plates have excellent resistance to high working temperatures. ASME and ASTM SA/ A 387 are the technical standards covering the supply of molybdenum and chromium pressure vessel plates. The addition of chromium and molybdenum increase plate’s temperature tensile strength and make it an excellent option for pressure conditions. F91 plates show excellent corrosion resistance properties; therefore it is ideal for manufacturing of pressure equipment for high pressure conditions.
Grade 91 plates are processed using high quality machines from both hot and cold drawing operations. Plates are heat treated and hot worked. Annealing operations are performed after hot working. After this operation, its structure turns to non-magnetic. Generally, the cold working operation is applied to avoid brittleness and attaining required mechanical structures. With its ductility, these plates are readily formed. After all operations, these plates are quenched rapidly with water.
Alloy Steel Gr 91 Hot Rolled Plates, Alloy Steel Gr 91 Plates Price List, Alloy Steel Grade 91 Class 1 Plates Distributors, Cr-Mo Grade 91 Class 2 Plates, ASME SA387 Chromium Molybdenum Plates, ASTM A387 Alloy Steel Grade 91 Plates Exporter in India.
A/ SA 387 plates posses higher weldability and can be welded by all types of standard welding operations. For machining, this plate requires adequate depth cuts, speeds, and feeds. With industrial coats, the life of untreated surfaces is increased.
ASTM / ASME A /SA 387 Plates offer excellent resistance to local and general corrosion. Furthermore, these plates offer good performance in chloride and halide containing environments while resisting crevice and pitting corrosion. It also opposes stress corrosion cracking. Due to excellent stability in higher temperatures, these plates offer long-lasting services without distortion and deformations. ASTM / ASME A /SA 387 Grade 91 / F91 Plates are able to provide service in the severe chemical zones that contain chlorides, halides, sulfides, sulfuric acids, nitric acids, phosphoric acids, etc.
Standard Specification and Size Range of Alloy Steel Gr 91 Plates
Specifications : ASTM A387 / ASME SA387
Width : 1000mm-4500mm
Length : 3000mm-18000mm
Thickness : 5mm-150mm
Process of Manufacturing : Hot-Rolled (HR)
Supply Condition : As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.
Standard : EN 10083-3 : Steels for Quenching and Tempering: Technical Delivery Conditions for Alloy Steels EN 10028-2: Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties
ASTM A387 Alloy Steel Gr 91 Class 1 Plates
Grade 91 Alloy Steel Class 1 Plates, Alloy Steel GR 91 Cl 1 Plates, UNS K90901 Plates, DIN 1.4903 Plates, Gr 91 Alloy Steel Class 1 Plates
ASTM A387 Alloy Steel Gr 91 Class 2 Plates
Alloy Steel Gr 91 Class 2 Plates, Chrome Moly 1.4903 Class 2 Plates, UNS K90901 Class 2 Plates, Cr-Mo Grade 91 Class 2 Plates
ASTM A387 Alloy Steel CL. 1/2 Plates
Chrome Moly CL 1 / 2 Plates, Alloy Steel Gr 91 CL 1/2 Plates, Class 1 / 2 Alloy Steel K90901 Plates, Cr-Mo DIN 1.4903 Plates
Chemical Composition of Alloy Steel Grade 91 Plates
|Alloy Steel F91||0.08-0.12 max||0.3-0.6||0.5 max||0.01 max||0.02 max||8.5 – 9.5||0.85-1.05|
Mechanical Properties of ASTM A387 CrMo Gr 91 Plates
|Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
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Oil and Gas
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