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320

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L14205 360
#320

Description

China GBT 320 China structural steel and alloy steel and 320 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 320
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 320 GBT China China structural steel and alloy steel
U32354
L13453
L13454
L13455
L13703
L13704
L13705
L14203
L14204
L14205

Chemical composition(mass fraction)(wt.%) of the 320

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
Max 0.16 Max 0.35 0.40-0.70 0.035 0.035 0.25 0.3 0.1 0.3

Mechanical Properties of steel grade 320

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
279 (≥) 838 (≥) 12 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 320

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
24 - -     0.41 -  
852 689 - 24.3 211   -  
196 - 41 13.2   442 322

Heat Treatment of steel grade 320

Heat treated : 1438°C - 1448°C

Technological Curves of steel grade 320

Cross Reference Table (Equivalent Grade) of 320

Grade Standard Country Application
1.3202 DIN Germany High-speed tool steel
1.3207 DIN Germany High-speed tool steel
320S31 UK austenitic special steel
320S31 UK austenitic special steel
320S33 UK austenitic special steel
320S18 UK austenitic special steel
UNS J93202 AISI USA
SS 2320 SS Sweden Swedish SS standard stainless steel and heat resistant steel
320rMnCoV12 UNE Spain Spain structural alloy steel
320rMoCoV12 UNE Spain Spain structural alloy steel
411320 CSN Czech Republic The Czech republic Structural steel
413320 CSN Czech Republic The Czech republic Structural steel
11320 CSN Czech Republic The Czech republic Structural steel
13320 CSN Czech Republic The Czech republic Structural steel
415320 CSN Czech Republic The Czech republic Structural steel
416320 CSN Czech Republic The Czech republic Structural steel
15320 CSN Czech Republic The Czech republic Structural steel
16320 CSN Czech Republic The Czech republic Structural steel
X1320 AS Australia Australia Structural steel
X1320 AS Australia Australia Structural steel
L14205 360
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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