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6N

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5N 7Q
#6N

Description

USA ASTM 6N Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures and 6N Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 6N
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 6N ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
Gr 485
Gr 620
Gr 825
Grade21
Grade31
1A
2A,2Q
3A,3Q
4A,4Q
5N

Chemical composition(mass fraction)(wt.%) of the 6N

C(％) Si(％) Mn(％) P(％) S(％) Mo(％)
≤0.35 0.20-0.80 1.35-1.75 0.04 0.045 0.25-0.55

Mechanical Properties of steel grade 6N

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)
121 (≥) 181 (≥) 34 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade 6N

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 - -     0.44 -  
445 998 - 31.3 311   -  
879 - 43 13.2   321 441

Heat Treatment of steel grade 6N

Heat treated : 1766°C - 1197°C

Technological Curves of steel grade 6N

Cross Reference Table (Equivalent Grade) of 6N

Grade Standard Country Application
56NiCrMoV7 DIN Germany Hot working alloy tool steel
26NiCrMoV5 DIN Germany Hot working alloy tool steel
X6NiCrTi26-15 DIN Germany Hot working alloy tool steel
CA6NM UNS USA Martensitic special steel
CA6NM UNS USA Martensitic special steel
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15 DIN Germany The high-temperature and high-strength steel
Z6NCTDV25-15B AFNOR France Hot-Rolled stainless steel bar and wire rod (NF A 35-574 (1990))
X6NiCrTiMoB25-15-2 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
CA-6NM AISI USA
CA-6N AISI USA
ASTM CA6NM AISI China
ASTM 6N AISI USA
1Cr17Mn6Ni5N GBT China Nickel steel grade, instead of number 1 cr17ni7 and magnetism after cold working, used in railway vehicle, etc
ISO X6NiCrSi36 19 ISO ISO ISO standard Austenite size heat resistant steel
ISO X6NiCrTiMoVB25 15 2 ISO ISO High temperature austenite steel ISO standard internal combustion engine
CNS 316N CNS China CNS standard stainless steel austenite size
12Cr17Mn6Ni5N GBT China Stainless steel bars
12Cr16Ni35 GBT China Stainless steel bars
06Cr16Ni18 GBT China Stainless steel bars
022Cr24Ni17Mo5Mn6NbN GBT China Stainless steel bars
5N 7Q
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