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SUM22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM22

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CNS SUM22

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This page is mainly introduced the SUM22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM22,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUM22

Steel Garde:SUM22
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUM22L	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	900～812	σb/MPa
Yield Strength	301	σ 0.2 ≥/MPa
Elongation	27	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	137～308	-
HRC	30	-

Physical Properties

Thermal expansion	07-95	e-6/K
Thermal conductivity	68-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5619-4569	째C
Density	7586-1377	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
SUM22 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk