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ER 308L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 308L

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International ER 308L

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This page is mainly introduced the ER 308L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 308L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance up to 800°C and ductility to -196°C. For joining with base materials: 1. Alloyed corrosion resistant: DIN X5CrNi 18 9 or WN 1.4301; DIN X2CrNi 18 9 or WN 1.4306; DIN X10CrNiNb18 9 or WN 1.4550;

The welding materials are classified according to chemical composition. The values contained in the mechanical properties are not requirements of this specification. They are obtained from weld metal specified in A5.4.

Steel Garde:ER 308L
Type:Stainless Steels
Country:USA
Standard:International
Standard Number:

ITEM Standard Number Descriptions

1 A5.9/A5.9M Bare Stainless Steel Welding Electrodes and Rods
Metallographic Structure:Austenite
Application:Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance

ITEM	Standard Number	Descriptions
1	A5.9/A5.9M	Bare Stainless Steel Welding Electrodes and Rods

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
308L	AMS	USA
S30803	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.025
Si		0.40
Mn		1.75
P		0.045
S		0.03
Cr	19.0	21.0
Ni	8.00	12.0

Mechanical Properties

Tensile strength	428～631	σb/MPa
Yield Strength	603	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	226～971	-
HRC	30	-

Physical Properties

Thermal expansion	21-15	e-6/K
Thermal conductivity	49-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3279-6845	째C
Density	7541-8045	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)
ER 308L 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