YB 303 plus X

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303 plus X Profile
303 plus X Chemical composition
303 plus X Mechanical Properties
303 plus X Physical Properties
303 plus X Heat treatment
303 plus X Size Availability
303 plus X Relevant products

Profile

This page is mainly introduced the 303 plus X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303 plus X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
J 405 Chemical compositions of SAE wrought stainless steels

Steel Garde:303 plus X
Type:Stainless Steels
Country:USA
Standard:YB
Standard Number:

ITEM Standard Number Descriptions

1 J 405 标准内容
Metallographic Structure:Austenite
Application:J 405 Chemical compositions of SAE wrought stainless steels

ITEM	Standard Number	Descriptions
1	J 405	标准内容

Relevant products:

GH3039 round bar

SKD-11 Cold working die steel

X165CrMoV12 Cold...

17-4ph steel wire

A387 F5 / Grade 5 Coil / Sheet

D2 Round Bar

P20 tool steel round bar

D3 tool steel round bar/plate

T30402/X155CrVMo12...

1.4980 Round Bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
GH3030	GB	China
GH3039	GB	China
303	YB	USA
A 314 303	SAE	USA
A 473 303	SAE	USA
A 581 Type 303	SAE	USA
A 582 Type 303	SAE	USA
A 895 Type 303	SAE	USA
A 959 Type 303	SAE	USA
A 314 S30300	SAE	USA
A 473 S30300	SAE	USA
A 581 S30300	SAE	USA
A 582 S30300	SAE	USA
A 895 S30300	SAE	USA
F 837 Class A1-50 S30300	SAE	USA
F 837 Class A1-55 S30300	SAE	USA
F 837 Class A1-70 S30300	SAE	USA
F738 Class A1-50 S30300	SAE	USA
F738 Class A1-70 S30300	SAE	USA
F738 Class A1-80 S30300	SAE	USA
F836 Class A1-50 S30300	SAE	USA
F836 Class A1-70 S30300	SAE	USA
F836 Class A1-80 S30300	SAE	USA
S30300	AISI	USA
S30310	AISI	USA
303Se	YB	USA
A 314 303Se	SAE	USA
A 473 303 Se	SAE	USA
A 511 MT303Se	SAE	USA
A 581 Type 303Se	SAE	USA
A 582 Type 303Se	SAE	USA
A 895 Type 303Se	SAE	USA
A 959 Type 303Se	SAE	USA
F 593 303 Se	SAE	USA
F 594 303Se	SAE	USA
F 880 Class A1-50 303Se	SAE	USA
F 880 Class A1-70 303Se	SAE	USA
SUS 303Se	FED	Japan
SUS303Se	AMS	USA
A 314 S30323	SAE	USA
A 473 S30323	SAE	USA
A 581 S30323	SAE	USA
A 582 S30323	SAE	USA
A 895 S30323	SAE	USA
F738 Class A1-50 S30323	SAE	USA
F738 Class A1-70 S30323	SAE	USA
F738 Class A1-80 S30323	SAE	USA
F738 Class A1-80 S30323	SAE	USA
F836 Class A1-50 S30323	SAE	USA
F836 Class A1-70 S30323	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn	2.50	4.50
P		0.2
S	0.15
Cr	17.0	19.0
Ni	7.00	10.0
Mo		0.60

Mechanical Properties

Tensile strength	845～757	σb/MPa
Yield Strength	324	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	683～151	-
HRC	30	-

Physical Properties

Thermal expansion	57-39	e-6/K
Thermal conductivity	73-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9264-6683	째C
Density	8917-6773	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)
303 plus X 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