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410S21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 410S21

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B.S. 410S21

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This page is mainly introduced the 410S21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 410S21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Steel Garde:410S21
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 1449-2	Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip
2	BS 1503	Specification for steel forgings for pressure purposes
3	BS 1554	Specification for stainless and heat-resisting steel round wire
4	BS 6258	Specification for hollow steel bars for machining
5	BS 970-1	Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels
6	BS 970-3	Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Application:Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
410S21 690	B.S.	UK
410S21 720	B.S.	UK
410S21 750	B.S.	UK
410S21 760	B.S.	UK
410S21 770	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.09	0.15
Si		1.00
Mn		1.00
P		0.04
S		0.03
Cr	11.50	13.50
Mo
Ni		1.00

Mechanical Properties

Tensile strength	874～459	σb/MPa
Yield Strength	635	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	755～439	-
HRC	30	-

Physical Properties

Thermal expansion	39-77	e-6/K
Thermal conductivity	18-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4221-7681	째C
Density	0533-8025	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)
410S21 Stainless Steels	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