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ASTM M3 Class1

2018-04-26 20:05:47
We are a professional manufacturer of ASTM M3 Class1, we can provide the third party inspection report and datasheet of ASTM M3 Class1 as round bar, square bar, flat steel and so on. Please send the inquiry to us if you are if you are interested in ASTM M3 Class1. We will serve you with honesty, integrity, and professional. The detail data as below follow: 
Steel Grade: ASTM M3 Class1| UNS: T11313| Type: Molybdenum Series

CHEMICAL COMPOSITION(AISI S1): 
C(%) :         1.00~1.10
Si(%) :         0.20~0.45
Mn(%) :        0.15~0.40
P(%)≤ :        0.03
S(%)≤② :        0.03
Cr(%) :         3.75~4.50
Mo(%) :         4.75~6.50
V(%) :         2.25~2.75
W(%) :        5.00~6.75
Co(%):         —
HARDNESS AND HEAT TREATMENT (ASTM M3 Class1):
Hardness HBS|Annealing:        255
Hardness HBS|Cold Drawing:        269
Hardness HBS|Annealing after Cold Drawing:        262
Preheating Temperature/℃:        732~843
Quenching/℃|Salt-Bath Furnace:        1204
Quenching/℃|Controlled Atmosphere Furnace:        1216
Tempering/℃:        552
Hardness≥HRC|After Tempering:        64
Remark(ASTM M3 Class1): 
①, ω(Cu+Ni)≤0.75%
②, The composition of S can be increased to ω(S)0.06%~0.15% in order to improve the performance of cutting.
③, The standard is ASTM A600-1999.
Please find the PDF for ASTM M3 Class1  
Introduction High Speed Tool Steel (ASTM M3 Class1)
High speed tool steel is mainly used in manufacturing high efficient cutting tool.Due to its high red hardness, good abrasion resistance, high strength characteristics, and also used in the manufacture of high performance requirements of the mould, and hot spring roll, high temperature bearing, etc.The use of high speed tool steel after heat treatment the hardness can reach more than HRC63, under the working temperature of 600 ℃ can still maintain a high hardness, but its toughness, wear resistance and heat resistance are good.Annealing state of high speed tool steel main alloy elements tungsten, molybdenum, chromium, vanadium, and some joined the cobalt in high speed tool steel, aluminum and other elements.


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