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A 693 Type 634 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 693 Type 634

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SAE A 693 Type 634

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This page is mainly introduced the A 693 Type 634 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 693 Type 634,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

Steel Garde:A 693 Type 634
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 693 (2006) Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
Metallographic Structure:Precipitation-Hardening
Application:Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

ITEM	Standard Number	Descriptions
1	A 693 (2006)	Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 564 S35500	SAE	USA
A 693 S35500	SAE	USA
A 705 S35500	SAE	USA
S35500	AISI	USA
SA-564 S35500	AMS	USA
SA-693 S35500	AMS	USA
SA-705 S35500	AMS	USA
A 564 S35500	SAE	USA
A 693 S35500	SAE	USA
A 705 S35500	SAE	USA
S35500	AISI	USA
SA-564 S35500	AMS	USA
SA-693 S35500	AMS	USA
SA-705 S35500	AMS	USA
A 564 634	SAE	USA
A 705 634	SAE	USA
A 959 Type 634	SAE	USA
AISI634	AISI	USA
ASTM634	ASTM	USA
S35500	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.10	0.15
Mn	0.50	1.25
Si		0.50
P		0.04
S		0.03
Cr	15.00	16.00
Ni	4.00	5.00
Mo	2.50	3.25
N	0.07	0.13

Mechanical Properties

Tensile strength	682～041	σb/MPa
Yield Strength	239	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	212～306	-
HRC	30	-

Physical Properties

Thermal expansion	85-74	e-6/K
Thermal conductivity	17-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3125-3622	째C
Density	3466-5508	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)
A 693 Type 634 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