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316F21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 316F21

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AFNOR 316F21

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This page is mainly introduced the 316F21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 316F21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Steel Garde:316F21
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF A 49-214	Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Application:Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Z8CNDT17.13B	AFNOR	France
Z6CND17-13B	AFNOR	France
Z6CNDT17-13B	AFNOR	France
Z10CNWT17-13B	AFNOR	France
TUZ10CNWT17-13B	AFNOR	France
Z6CNDNb17.13B	AFNOR	France
316F22	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.05	0.10
Si		1.00
Mn		2.00
P		0.040
S		0.030
Cr	16.00	18.00
Ni	12.00	14.00
Mo	2.00	2.50
B	0.0015	0.0060
Ti	4×C	0.70

Mechanical Properties

Tensile strength	854～946	σb/MPa
Yield Strength	801	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	722～137	-
HRC	30	-

Physical Properties

Thermal expansion	46-11	e-6/K
Thermal conductivity	55-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2649-6477	째C
Density	3262-5318	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)
316F21 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