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Grade 320

Favorite Datasheet

China GB Grade320 船舶用碳钢和碳锰钢无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Grade320 / Grade 320
Category Grade Standard Region/Area Standard Content
Metals Grade 320 GB/T 5312 China 船舶用碳钢和碳锰钢无缝钢管

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

Element Min Max Similar
Si - 0.3500 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mo - 0.1000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr - 0.2500 -
C - 0.1600 -

Mechanical Properties of steel grade 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)
354 (≥) 435 (≥) 23 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 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
21 - -     0.32 -  
823 483 - 14.3 311   -  
675 - 34 31.2   423 211

Heat Treatment of steel grade Grade 320

Heat treated : 1461°C - 1134°C

Technological Curves of steel grade Grade 320

Cross Reference Table (Equivalent Grade) of Grade 320

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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