GBT Type Ⅰ

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

Profile

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

Steel Garde:Type Ⅰ
Type:Special Alloy
Country:USA
Standard:GBT
Application:

Relevant products:

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

DT413 / 4Cr5MoSiV1MOD

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Type410S	UNS	USA
Type410S	UNS	USA
Type410Cb(XM-30)	UNS	USA
Type410Cb(XM-30)	UNS	USA
Type418(GreekAscollOy)	UNS	USA
Type418(GreekAscollOy)	UNS	USA
S42023	UNS	USA
S42023	UNS	USA
Type420FSe	UNS	USA
Type420FSe	UNS	USA
Type440F	UNS	USA
Type440F	UNS	USA
PH15-7MO(Type632)	UNS	USA
PH15-7MO(Type632)	UNS	USA
AM-350(Type633)	UNS	USA
AM-350(Type633)	UNS	USA
AM-350(Type633)	UNS	USA
AM-350(Type633)	UNS	USA
AM-355(Type634)	UNS	USA
AM-355(Type634)	UNS	USA
Type Ⅱ	AISI	USA
Q195		China
Q215		China
Q215 B		China
Q235		China
Q235 B		China
Q235 C		China
Q235 D		China
Q255 A		China
Q255 B		China
Q275		China
Q235q C		China
Q235q D		China
Q345q E		China
Q345q C		China
ASTM 1030	ASTM	USA
UNS G10300	UNS	USA
ASTM 1005	ASTM	USA
UNS G10050	UNS	USA
ASTM 1006	ASTM	USA
UNS G10060	UNS	USA
ASTM 1008	ASTM	USA
UNS G10080	UNS	USA
ASTM 1010	ASTM	USA
UNS G10100	UNS	USA
ASTM 1011	ASTM	USA
UNS G10110	UNS	USA
ASTM 1012	ASTM	USA
UNS G10120	UNS	USA
ASTM 1013	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	538～964	σb/MPa
Yield Strength	377	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	072～669	-
HRC	30	-

Physical Properties

Thermal expansion	65-16	e-6/K
Thermal conductivity	34-90	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3004-6382	째C
Density	4741-4958	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)
Type Ⅰ 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