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SA-307 Grade A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-307 Grade A

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AMS SA-307 Grade A

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This page is mainly introduced the SA-307 Grade A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-307 Grade A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength

Steel Garde:SA-307 Grade A
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-307 Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength
Metallographic Structure:Precipitation-Hardening
Application:Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength

ITEM	Standard Number	Descriptions
1	SA-307	Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength

Relevant products:

S30403/304L/S30403/1.4307 Tube

S30453/304LN/1-4311 Tube

1.4307/S30403/304L...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 307 Grade A	SAE	USA
A 307 Grade B	SAE	USA
A 307 Grade C	SAE	USA
A 958 Grade SC 1030 Class 70/36	SAE	USA
A 958 Grade SC 4130 Class 70/36	SAE	USA
A 958 Grade SC 4330 Class 70/36	SAE	USA
A 958 Grade SC 8630 Class 70/36	SAE	USA
B 30 70C	SAE	USA
B 30 72C	SAE	USA
B 30 7A	SAE	USA
B 774 307-323	SAE	USA
B860 Z30750	SAE	USA
E 307	AMS	USA
E 307	International	USA
E307T	AMS	USA
E307T	International	USA
E307T0-3	AMS	USA
E307T0-3	International	USA
ER 307	AMS	USA
ER 307	International	USA
J93072	AISI	USA
K30736	AISI	USA
R30700	AISI	USA
R30783	AISI	USA
S30780	AISI	USA
SA-307 Grade B	AMS	USA
SA-307 Grade C	AMS	USA
T11307	AISI	USA
W30710	AISI	USA
W30731	AISI	USA
W30733	AISI	USA
W30740	AISI	USA
W43070	AISI	USA
Z30700	AISI	USA
Z30701	AISI	USA
Z30702	AISI	USA
Z30705	AISI	USA
Z30750	AISI	USA
1.4307	AMS	USA
X2CrNi18-9	B.S.	UK
1.4307	B.S.	UK
X2CrNi18-9	AFNOR	France
1.4307	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn	3.75	4.75
P		0.045
S		0.03
Ni	9.00	10.50
Cr	19.00	22.00
Al
Cu
Ti
Fe
N
Mo
V

Mechanical Properties

Tensile strength	288～355	σb/MPa
Yield Strength	457	σ 0.2 ≥/MPa
Elongation	52	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	190～414	-
HRC	30	-

Physical Properties

Thermal expansion	30-88	e-6/K
Thermal conductivity	98-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1979-8963	째C
Density	0835-1834	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)
SA-307 Grade A 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