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410S21 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 410S21 690

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B.S. 410S21 690

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This page is mainly introduced the 410S21 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 410S21 690,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Steel Garde:410S21 690
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 1506	Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Application:Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
410S21	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	506～570	σb/MPa
Yield Strength	601	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	839～108	-
HRC	30	-

Physical Properties

Thermal expansion	26-54	e-6/K
Thermal conductivity	16-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5256-7291	째C
Density	2433-6082	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 690 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