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SS 400 Plate
SS 400 Plate

SS 400 Plate

MOQ : 100 Kilograms

SS 400 Plate Specification

  • Hardness
  • Brinell 120-180 HB
  • Heat Resistance
  • Yes
  • Size
  • Custom or standard sizes
  • Recyclable
  • Yes
  • Material Composition %
  • C 0.17%, Si 0.50%, Mn 1.40%, P 0.050%, S 0.050%
  • Tensile Strength
  • 400 - 510 MPa Megapascals (MPa )
  • Coating Type
  • Available with painting, hot-dip galvanized, or as rolled
  • Product Form
  • Plate / Sheet
  • Corrosion Resistant
  • Moderate (can be improved with coating)
  • Product Name
  • SS 400 Plate
  • Steel Type
  • Mild Steel
  • Steel Product Type
  • Steel Plates
  • Grade
  • SS 400
  • Thickness
  • 6mm to 300mm (customizable as required) Millimeter (mm)
  • Steel Standard
  • JIS G3101, ASTM, EN, ISO
  • Surface
  • Mill finish, smooth
  • Composition
  • Iron with low carbon content and manganese, phosphorus, sulfur (trace)
  • Application
  • Structural construction, bridges, shipping, buildings, and general fabrication
  • Color
  • Gray
  • Material Grade
  • SS400
  • Finish Type
  • Hot Rolled, Mill Finish
  • Usage
  • Fabrication, machinery parts, frame construction, shipbuilding, and bridges
  • Density
  • 7.85 g/cm
  • Elongation
  • 20% min (in 200mm)
  • Stock Availability
  • Immediate for regular sizes, lead time for customized orders
  • Weldability
  • Excellent
  • Machinability
  • Good
  • MOQ (Minimum Order Quantity)
  • As per company policy
  • Yield Strength
  • 245 MPa min
  • Cutting Tolerance
  • As per standard or requirement
  • Edge Condition
  • As rolled, trimmed or mill edge
 

SS 400 Plate Trade Information

  • Minimum Order Quantity
  • 100 Kilograms
  • Supply Ability
  • 5000 Kilograms Per Month
  • Delivery Time
  • 7 Days
 

About SS 400 Plate

EQUIVALENT GRADE OF SS400 PLATE

BS 4320 CSAG40-21 IS JIS 3106 ISO 630 ASTM
40(A)B 230 G IS 226 40EE SM 400 A Fe 360B A 36/ A283 C

SPECIFICATION

Item SS400 steel plate/sheet for general purpose structural steels
Thickness 5mm-150mm
Width 1000mm-4500mm
Length 3000mm-18000mm

CHEMICAL COMPOSITION OF SS400 PLATE

Grade C Si Mn P S
SS400 - - - 0.050 max. 0.050 max.

MECHANICAL PROPERTIES OF SS400 PLATE

Grade Yield Strength min.
(Mpa)
Tensile
Strength
(Mpa)
Elongation min. % Impact
Resistance
min.[J]
SS400 Thickness
<16mm
Thickness
> 16mm
400-510 Thickness
<5mm
Thickness
5-16mm
Thickness
> 16mm
-
245 235 21 17 21


High Quality and Compliance

SS 400 Plates are manufactured under stringent international standards, including JIS G3101, ASTM, EN, and ISO. Their consistent composition (with low carbon and controlled elements) delivers reliable structural performance. Quality checks on yield and tensile strength, surface finish, and dimensional accuracy ensure the product meets or exceeds industry expectations.


Versatile Applications

These steel plates are the backbone for a variety of projects- from high-rise buildings and bridges to shipbuilding and machinery fabrication. Their excellent weldability and machinability allow for easy processing, assembly, and modification, making them a preferred choice for engineers and fabricators across disciplines.


Flexible Sizing and Prompt Delivery

SS 400 Plate is available in a broad range of thicknesses and standard dimensions (e.g., 2000mm x 4000mm). For custom requirements, plates can be cut and supplied according to project specifications. Common sizes are stocked for immediate delivery, while custom sizes are produced with a short lead time as per company policy.

FAQ's of SS 400 Plate:


Q: How does the SS 400 Plate benefit structural construction projects?

A: SS 400 Plate offers reliable strength with a minimum yield of 245 MPa and elongation of 20%, ensuring structural integrity and flexibility. It supports heavy loads and resists deformation, making it ideal for buildings, bridges, and large-scale fabrications.

Q: What is the process for ordering custom-sized SS 400 Plates and what is the lead time?

A: You can order SS 400 Plates in custom dimensions by providing your size requirements. Standard sizes are available for immediate dispatch, while custom orders are processed based on company policy and generally delivered within a specified lead time after order confirmation.

Q: Where can SS 400 Plates be used aside from construction?

A: In addition to structural construction, SS 400 Plates are commonly used in shipbuilding, machinery parts, frames, general fabrication, and industrial applications where moderate strength, formability, and weldability are needed.

Q: What are the main advantages of the SS 400 Plate's weldability and machinability?

A: The excellent weldability of SS 400 Plate allows for smooth joining with minimal risk of cracks, while its good machinability enables easy cutting, shaping, and drilling, streamlining fabrication processes and reducing production time.

Q: How is the edge condition and surface finish of SS 400 Plate typically specified?

A: SS 400 Plates are available with as-rolled, trimmed, or mill edges and usually feature a mill finish, providing a smooth, metallic surface. Additional finishing such as painting or hot-dip galvanizing can be applied based on project requirements.

Q: What is the minimum order quantity (MOQ) for SS 400 Plates?

A: The minimum order quantity depends on the company's policy. For common sizes, smaller orders may be accommodated, while custom sizes or bulk quantities follow the specific MOQ set by the supplier or manufacturer.

Q: Is the SS 400 Plate environmentally friendly and recyclable?

A: Yes, SS 400 Plates are fully recyclable, contributing to resource conservation and sustainability. After their service life, the plates can be collected, melted, and reused in the steel manufacturing cycle.

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