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Tech Info : FORA 400 Steel Plate Stockist

Brand FORA 400 Steel Plate Stockist Brand FORA 400 Steel Plate Suppliers Brand FORA 400 Steel Plate Exporters, Hot Price FORA 400 Steel Plate Distributors Sheet Plate Manufacturer India We at MVC Corporation having the experience of 18 years in FORA 400 Steel Plate business. We can meet your EXACT SPECIFICATIONS in FORA 400 Steel Plate We sell NEW, SURPLUS FORA 400 Steel Plate. our existing clients of FORA 400 Steel Plate in India, call us that you are our FORA 400 Steel Plate PROFESSIONALS, most of our clients says that we got the material in time, whenever we had urgent requirements of specific grades in FORA 400 Steel Plate,

Why Choose MVC Corporation for your requirement of SS CS AS Pipes

FORA 400 FORA 400,HARDOX 400,HARDOX, is a water quenched martensitic steel, with a typical hardness of 400HB (42.5 HRC), constituting a real answer to abrasive wear. Thanks to its toughness, its elevated hardness, its high yield strength, FORA 400 can be used wherever resistance to wear by sliding or by moderate impacts is required.

Compared to conventional steels, such as S355, FORA 400 offers a real benefit to equipment life times and allows a significant thickness reduction in designs since its wear resistance is up to 3 times longer than S355 grade.

Moreover, FORA 400 is very easily welded and has good forming properties thereby contributing to ease of fabrication.

Typical Applications:

Chemical Analysis

Guaranteed maximum values (% weight)

















Th = 4/20mm (0.16"/0.78") Ceq ≤ 0.45%

Ceq = C +  Mn  +  Cr + Mo + V  +  Ni + Cu

                   6                5                   15

Th = 10.01/50mm (0.78"/1.97") Ceq ≤ 0.56%
Th > 50.01mm (>1.97") Ceq ≤ 0.64%

Mechanical Properties

Typical values

Hardness YieldStrength ¹ UTS ¹ E 5.65 √S(%) KCV Transv.- 20°C (- 4°F) KCV Transv.- 40°C (- 40°F)
400HB 1100N/mm ² 1350N/mm ² 13 35J/cm²(t=15mm)65J/cm²(t= 5mm) 20J/cm²(t=15mm)45J/cm²(t= 5mm)
42.5 HRC 160 Ksi 195 Ksi 13 21ft.lbs(t=15mm)38ft.lbs(t= 5mm) 12ft.lbs(t=15mm)27ft.lbs(t= 5mm)

Guaranteed hardness in delivery condition: 360/440HB (39/47 HRC)
¹ Prismatic tensile probes



All the classical thermal cutting processes are compatible with FORA 400 (gas, plasma, laser).

Plates between 4mm to 40mm (0.16" to 1.6") thick do not require preheating provided that thermal cutting is performed at a temperature greater than 10°C (50°F). Where this is not the case or where the plates are thicker than 40mm (1.6") preheating at 100 - 150°C (200-300°F) is recommended.

Thickness →Cutting Temperature ↓ 4 - 40mm(0.16" – 1.6") > 40mm> 1.6"
≥ 10°C (50°F) No preheating Preheating at 100 - 150°C (212 - 302°F)
< 10°C (50°F) Preheating at 100 - 150°C (212 - 302°F)

Water jet cutting or shearing can also be used.


Drilling and milling should be performed with supercarburized cobalt high-speed steel type HSSCO, using wherever possible an oil lubricant. However, classical high-speed steels can be used. The typical cutting parameters are:

Drilling Ø = 10mm Ø = 20mm Ø = 30mm
Cutting Speed (m/min  ft/min) 6 - 1220 - 40 6 - 1220 - 40 6 - 1220 - 40
Rotational Speed  (rev/min) 190 - 380 90 - 190 60 - 120
Feed (mm/rev) 0,1 0,2 0,3
Tapping Ø = 10mm Ø = 20mm Ø = 30mm
Cutting Speed (m/min  ft/min) 2 - 46.5 - 13 2 - 46.5 - 13 2 - 46.5 - 13
Rotational Speed  (rev/min) 60 – 120 30 – 60 20 - 40
Depth(mm)     (inch)
Cutting Speed(m/min)
1      (0.04)4     (0.16)8     (0.31)
12 – 1510 – 127 - 9


Thanks to the high refining level of the steel (low sulphur and phosphorus contents), FORA 400 is easy to bend provided the following conditions are respected:

For plates below 20mm (0.8") thickness, forming conditions are summarised in the following table; beyond 20mm (0.8"), consult us.

  Perpendicular to theRolling direction Parallel to theRolling direction
Bending internalRadius R, (mini) 3 x th 4 x th
Die opening V (mini) 10 x th 12 x th

Within these allowable bending parameters, the force required to form a plate is function of the bent length, the metal thickness, die opening, die form (V or U), punch form etc..

The following table shows the bending forces, for the minimum die opening (V=10th), required for V bending plates for 1m bent.

* (± 10%)
Bending force requiredper meter of bend*
5mm (0.20")
10mm (0.40")
15mm (0.60")
20mm (0.78")

FORA 400 steel is unsuitable for hot forming at a temperature higher than 200°C (400°F).


Thanks to its chemical analysis with a low carbon content, FORA 400 shows very good welding characteristics. It can be welded in easy conditions in total safety.

Weld Preparation

Weld surface must be dry and clean and superficially ground in order to eliminate any rust, scale, grease or paint traces as well as any gas-cutting ridges.

Weld Process

Any conventional fusion welding method can be used, such as submerged arc welding (SAW), manual metal arc welding (SMAW), flux core wire arc welding (FCAW), MIG, MAG (GMAW) and TIG (GTAW).

Heat input should be limited to 10 - 30 kj/cm with maximum interpass temperature of 200°C (392°F).

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