Customization: | Available |
---|---|
Type: | Alloy Steel Bar |
Standard: | ASTM, JIS, GB, DIN, AISI |
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40Cr cold drawn carbon Alloy Hexagon Steel Bar
Equivalent Material of 40Cr
JIS SCr440,UNE 42Cr4,UNS G51400,EN 1.7003,SAE 5140,DIN 1.7035,ISO: 41Cr4.
chemical composition
C: 0.37~0.44
Si: 0.17~0.37
Mn:0.50~0.80
Cr: 0.80~1.10
Ni:≤0.30
P:≤0.035
S: ≤0.035
Cu: ≤0.030
Mo:≤0.10
Application:
After quenching and tempering, this kind of steel is used to manufacture mechanical parts under medium load and medium speed, such as car steering knuckles, rear half shafts and gears, shafts, worms, spline shafts, top sleeves on machine tools, etc.;
Shapes | Sizes | Processing |
Steel Round Bar | 5mm to 63.5mm | Cold Drawn |
Steel flat Bar | 63.5mm-120mm | smooth-turned and polished. |
Cold drawn steel square bar | 5*5mm to120*120mm | Cold Drawn |
Cold drawn steel hex bar | 5mm to120mm | Cold Drawn |
Cold drawn steel hexagonal bar | 5mm to 120mm (side to side) |
Cold Drawn |
Straightness | Max 1mm/m | |
Tolerance | h9 h10 h11 or as required |
Dimension (mm) |
Tolerance deviation grade | |||||
Grade h8 | Grade h9 | Grade h10 | Grade h11 | |||
3.01-6.0 | 0-0.012 | 0-0.018 | 0-0.030 | 0-0.048 | 0-0.075 | |
6.01-10.0 | 0-0.015 | 0-0.022 | 0-0.036 | 0-0.058 | 0-0.090 | |
10.01-18.0 | 0-0.018 | 0-0.027 | 0-0.043 | 0-0.070 | 0-0.110 | |
18.01-30.0 | 0-0.021 | 0-0.033 | 0-0.052 | 0-0.084 | 0-0.130 | |
30.01-50.0 | 0-0.025 | 0-0.039 | 0-0.062 | 0-0.100 | 0-0.160 | |
50.01-80.0 | 0-0.030 | 0-0.046 | 0-0.074 | 0-0.120 | 0-0.190 | |
h7 :grinding product h8 :high-precision cold drawn product h9:precision cold drawn product |
h10:standard cold drawn product h11:special shaped cold drawn product |
Product variety | The length of finished product | Length tolerance |
Cold drawn product | 1000-6000 | 0-+20 |
Grinding product | 1000-4000 | 0-+20 |
Product mode | Straightness tolerance |
Standard cold drawn | 0.7/1000~0.5/1000 |
Precision and high precision | 0.4/1000 |
Product mode | Grinding | High precison cold drawn |
Precision cold drawn | Stardard cold drawn |
Surface roughness Ra(um) |
0.40 | 0.80 | 1.60 | 3.20 |
Type of steel | GB | ASTM(SAE) | JIS |
Carbon steel Low alloy steel |
Q195,Q215, Q235,Q345 |
A285MGr.B A570MGr.A |
SS330 SS400,SS490... |
Quality carbon steel |
10,20,35,40,60 20Mn,25Mn, 35Mn,40Mn |
1010,1020,1035, 1045,1060,1022, 1026,1037,1039 |
S10C,S20C, S35C,S45C... |
Alloy structure steel |
20Mn2,40Mn2,20Cr,40Cr, 20CrMo,35CrMo,42CrMo, 20CrMnTi,20Cr2Ni4, 40CrNiMo |
1320,1345,5120, 5140,4118,4135, 4140,3316,4340 |
SMn420,SMn438, SCr420,SCr440 SCM430,SCM435 SCM440,SCN815 SNCM439 |
Cold heading steel |
ML10,ML20,ML30, ML35,ML35CrMo, ML42CrMo,ML15MnB |
1012,1020,1030 1034,4135,4140, 1518 |
SWRCH10R SWRCH20K SWARCH35K SNB7 |
Spring steel | 65Mn,60Si2Mn,50CrVA | 1066,6150 | SCP6,SCP10 |
Bearing steel | GCr15 | E52100 | SUJ2 |
Stainless steel | 1Cr13,2Cr13 | 412,420 | SUS410,SUS420 |
Tooling steel | T8,T10 W6Mo5Cr4V2 |
W1A-8, W1A-9.5,M2 |
SK7,SK4,SKH9 |
Free cutting steel | Y12,Y12Pb,Y15, Y15Pb,Y40Mn |
1212,11L08,1215 12L13,12L14,1141 |
SUM21,SUM32, SUM22L,SUM42... |
Round steel | Square steel | Flat steel |
hexagonal steel | Irregular steel | Steel pipe |
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