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30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30

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GBT 30

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30 Profile
30 Chemical composition
30 Mechanical Properties
30 Physical Properties
30 Heat treatment
30 Size Availability
30 Relevant products

Profile

This page is mainly introduced the 30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
30

Steel Garde:30
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Relevant products:

T30402/X155CrVMo12...

GH3039 round bar

06Cr19Ni10/S30408/...

S30409/304H/S30409/1.4948 Tube

S30403/304L/S30403/1.4307 Tube

S30453/304LN/1-4311 Tube

Air 9160C 30CD12 Round Bar

ESR AMS 5604 /...

UNS K30960 Bright Round Bar

403(UNS S40300) ...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ASTM 1030	ASTM	USA
UNS G10300	UNS	USA
UNS G10130	UNS	USA
UNS T72301	UNS	USA
W2-A	ASTM	USA
UNS T72302	UNS	USA
T72305	UNS	USA
T30102	UNS	USA
T30103	UNS	USA
T30104	UNS	USA
T30105	UNS	USA
T30106	UNS	USA
T30107	UNS	USA
T30108	UNS	USA
T30109	UNS	USA
T30110	UNS	USA
T30403	UNS	USA
T30404	ASTM	USA
T30405	UNS	USA
T30407	UNS	USA
T11301	UNS	USA
T11302	UNS	USA
T11304	UNS	USA
T11306	UNS	USA
T11307	UNS	USA
M30	ASTM	USA
T11330	UNS	USA
ASP30	AISI	USA
Stellite 30
Stellite 306		USA
1.1730	DIN	Germany
1.1830	DIN	Germany
1.2305	DIN	Germany
1.2307	DIN	Germany
X130W5	DIN	Germany
1.2309	DIN	Germany
30WCrV15-1	DIN	Germany
30WCrV17-2	DIN	Germany
X30WCrV9-3	DIN	Germany
X30WCrCoV9-3	DIN	Germany
1.3302	DIN	Germany
P30	JIS	Japan
M30	JIS	Japan
K30	JIS	Japan
V30	JIS	Japan
Z30	JIS	Japan
ST30E	JIS	Japan
ST30E	JIS	Japan
BL1		UK
BL1		UK

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	851～890	σb/MPa
Yield Strength	876	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	834～618	-
HRC	30	-

Physical Properties

Thermal expansion	50-22	e-6/K
Thermal conductivity	90-08	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0390-9020	째C
Density	7678-8133	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)
30 Special Alloy	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