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A 312 TP304H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP304H

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SAE A 312 TP304H

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This page is mainly introduced the A 312 TP304H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 312 TP304H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Steel Garde:A 312 TP304H
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 312/A 312M (2012) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
Metallographic Structure:Austenite
Application:Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ITEM	Standard Number	Descriptions
1	A 312/A 312M (2012)	Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Relevant products:

S30409/304H/S30409/1.4948 Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
304H	UNS	USA
A 182 F 304H	SAE	USA
A 213 TP304H	SAE	USA
A 240 Type 304H	SAE	USA
A 249 TP304H	SAE	USA
A 271 TP304H	SAE	USA
A 336 Grade F304H	SAE	USA
A 358 304H	SAE	USA
A 376 TP304H	SAE	USA
A 403 CR304H	SAE	USA
A 403 WP 304H	SAE	USA
A 430 FP 304H	SAE	USA
A 452 TP304H	SAE	USA
A 240 S30409	SAE	USA
A 249 S30409	SAE	USA
A 358 S30409	SAE	USA
A 813 S30409	SAE	USA
A 814 S30409	SAE	USA
A 965 S30409	SAE	USA
S30409	AISI	USA
SA-240 S30409	AMS	USA
SA-358 S30409	AMS	USA
SA-813 S30409	AMS	USA
SA-814 S30409	AMS	USA
SA-965 S30409	AMS	USA
S30415	AISI	USA
A 240 S30452	SAE	USA
A 276 S30452	SAE	USA
S30452	AISI	USA
SA-240 S30452	AMS	USA
SUS 304HFB	JIS	Japan
SUS 304HTP	JIS	Japan
STSF304H	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	18.0	20.0
Ni	8.00	11.0

Mechanical Properties

Tensile strength	539～621	σb/MPa
Yield Strength	540	σ 0.2 ≥/MPa
Elongation	00	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	142～134	-
HRC	30	-

Physical Properties

Thermal expansion	40-16	e-6/K
Thermal conductivity	21-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3939-8840	째C
Density	5416-5912	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 312 TP304H 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