SS400 SM400A Mild Steel Beam

SS400 according to material grade and name defined in the JIS G 3101 standard, The first S stands for "Steel", the second S stands for "Structure", and 400 for the lower limit tensile strength of 400 MPa. Ordinary structural steel with a tensile strength of 400 Mpa. This steel is the most widely used in JIS standard. SM400A belongs to the ordinary carbon structural steel plate in the hot rolled carbon steel plate, 400 represents the tensile strength of more than 400, SM is the name of the Japanese standard material, A represents the level, indicating that there is no impact. There's also SM400B, which stands for ambient shock. SM400C stands for normal temperature impact, SM400D stands for -20 degree impact, SM400E stands for -40 degree impact,

Products Description

SS400 steel Mechanical Properties:

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

SM400A Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	200 - 215 GPa	Typical for Low Carbon Steel
Elongation A5	23.0 °C	18 - 24 %
Poisson's ratio	23.0 °C	0.29 [-]	Typical for Low Carbon Steel
Shear modulus	23.0 °C	82 GPa	Typical for Low Carbon Steel
Tensile strength	23.0 °C	400 - 510 MPa
Yield strength	23.0 °C	195 - 245 MPa

H-Beam and I-Beam: Applications

H-Beams and I-beams are very similar, but they have different applications. If you're interested in using either of them for your next project, here's what you need to know:

The best way to determine which beam is best for your project is to consult a professional. H-beams are better suited to support the load of the floor and roof over longer distances, while i-beams are better suited to support the weight of a wall or column.

If you do decide on an H-beam or an I-beam, note that these beams have different minimum spans; this means that if your space has a large span (i.e., it's long), then an I-beam may not be right for it because it requires more material than other designs.

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Product Details

Product Name	SS400 SM400A mild steel beam
Length	As your required
Standard	ASTM/ GB/ JIS/ EN ect.
Delivery Time	According to your quantity
Payment Terms	FOB/ CIF/ EXW/ DDP
Origin	China
Sample	Yes
Tolerance	±0.3
Packing	Packed with steel belts tightly, in bundle

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