Steel 1330


An overview of Steel 1330

Material Group P - Steel
Sub-Group Carbon Steel
Tensile Strength 640-840[N/mm^2]
Machinability 65%

Machining 1330 Steel: Balancing Alloying Benefits and Machining Challenges

1330 steel, a manganese-chromium alloy steel, offers a combination of strength, toughness, and hardenability. While its alloying elements enhance its mechanical properties, they also present certain challenges during machining that require careful consideration.

Understanding the Machinability of 1330 Steel:

  • Composition: 1330 steel typically contains around 0.28-0.33% carbon, 1.60-1.90% manganese, and 0.80-1.10% chromium. These alloying elements contribute to its strength, hardenability, and wear resistance, but can also increase its hardness and abrasiveness, potentially leading to increased tool wear and difficulties in chip formation.

  • Applications: 1330 steel is commonly used for gears, shafts, axles, and other components requiring high strength, toughness, and wear resistance.

Overcoming Machinability Challenges:

  1. Tool Selection: Choose cutting tools specifically designed for alloy steels or materials with similar properties. Carbide tools with appropriate coatings, such as TiAlN or AlTiN, can enhance tool life and cutting performance in machining 1330 steel.

  2. Cutting Parameters: Adjust cutting speeds and feeds based on the specific heat treatment and hardness of the 1330 steel. Generally, moderate cutting speeds are recommended, with careful attention to feed rates and tool wear to prevent work hardening. For hardened 1330 steel, consider lower cutting speeds and increased feed rates.

  3. Coolant/Lubricant: Utilize a suitable coolant or lubricant to reduce heat, friction, and chip welding during machining. Water-based coolants or cutting oils with additives for improved lubricity are often recommended for alloy steels.

  4. Chip Control: Employ chipbreakers or specialized tool geometries to promote chip breaking and prevent long, stringy chips that can interfere with the machining process and potentially damage the workpiece or tool. Chip control is crucial for 1330 steel due to its alloying elements and potential for work hardening.

Additional Tips for Machining 1330 Steel:

  • Workholding: Ensure secure and rigid workholding to minimize vibrations and maintain dimensional accuracy, especially important when machining harder 1330 steel.
  • Preheating: Consider preheating the material, especially for thicker sections or heavy cuts, to reduce the risk of cracking and improve machinability, particularly for hardened 1330 steel.
  • Sharp Cutting Edges: Maintain sharp cutting edges to minimize work hardening and ensure efficient chip formation.
  • Cutting Fluids: Use high-quality cutting fluids designed for alloy steels to optimize tool life and machining performance.

By understanding the unique characteristics of 1330 steel and implementing these strategies, machinists can effectively manage its machining challenges and achieve desired results in terms of productivity, tool life, and surface finish.

For detailed carbide grade and cutting speed recommendations, refer to resources like the material supplier's datasheet or consult with a machining expert familiar with alloy steels.

International designations that are equivalent to Steel 1330

Standard Name
SAE 1330
WNR 1.1170
DIN 28Mn6
BS 150M28
ANFOR 20M5
UNI C28Mn
JS1 SCMn1

Steel 1330's chemical composition

Element Percentage (%)
Carbon (C) 0.28 - 0.33
Manganese (Mn) 1.60 - 1.90
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.040
Silicon (Si) 0.15 - 0.30
Iron (Fe) Balance

Please note that there might be trace amounts of other elements like chromium (Cr) and nickel (Ni) present, but these are not considered essential components of 1330 steel.

If you require the precise composition for a specific batch or supplier of 1330 steel, it's always recommended to refer to the material's certification or datasheet.


Cutting speed suggestions for steel 1330

Application mm/min SFM
Turning 240-330 790-1080
Milling 150-205 490-670
Parting 115-155 380-510
Grooving 135-185 440-610
Drilling 95-130 310-430

Cutting Speed Recommendations for 1330 Steel: Beyond the Ideal
  • While machining guidelines for 1330 steel provide a starting point, achieving optimal cutting speeds in real-world scenarios demands a nuanced understanding of the factors influencing cutting performance. The estimated speeds are based on idealized conditions, which may not always be replicated in practice.

    Factors Affecting Cutting Speed in 1330 Steel:

    1. Carbide Grade: Selecting the appropriate carbide grade is paramount. Though 1330 steel offers decent machinability, the specific grade should be tailored to the specific cutting conditions, desired surface finish, and tool life expectations. The presence of alloying elements like manganese and chromium can influence tool wear, so consider grades designed for alloy steels or those with enhanced wear resistance.

    2. Tool and Workpiece Clamping: Secure and rigid clamping of both the cutting tool and the workpiece is fundamental. Vibrations and movement can severely impact accuracy, surface finish, and tool life. Employ proper clamping techniques and utilize high-quality tooling systems to mitigate these risks, especially crucial when dealing with the moderate to high hardness of 1330 steel.

    3. Raw Material Quality: Variations in raw material quality, encompassing chemical composition, heat treatment, and microstructure, can significantly affect machinability. Source high-quality 1330 steel from reputable suppliers and verify its properties to ensure consistent and predictable machining performance.

    4. Tool Overhang: A shorter tool overhang minimizes deflection and vibration, leading to improved cutting stability and surface finish. Strive for the shortest possible overhang without compromising tool reach and accessibility, especially when machining thicker 1330 steel sections or encountering interrupted cuts.

    5. Material Hardness: The hardness of the 1330 steel workpiece directly influences cutting forces and tool wear. Verify that the material's hardness falls within the expected range for the chosen carbide grade and cutting parameters. If needed, consider preheating or adjusting cutting parameters to accommodate variations in hardness due to work hardening.

    6. Additional Factors:

      • Coolant/Lubricant Selection and Application: Effective cooling and lubrication are essential for heat dissipation, chip evacuation, and reducing friction. Choose the appropriate type (water-based or oil-based) and delivery method for your specific machining operation and the hardness of the 1330 steel. High-pressure coolant application can be particularly beneficial for chip evacuation and tool cooling, especially at higher cutting speeds or when machining hardened material.
      • Tool Geometry: Optimize rake and clearance angles, as well as chipbreaker design, to promote efficient chip formation and evacuation for 1330 steel. Consider geometries that minimize cutting forces and heat generation, particularly for harder material.
      • Machine Rigidity: A rigid machine tool setup minimizes vibrations and ensures consistent cutting conditions, leading to improved accuracy and surface finish. The machine's capabilities and limitations should be factored in when setting cutting parameters for this alloy steel.
      • Cutting Parameters: Feed rate and depth of cut, along with cutting speed, play a crucial role in achieving desired results. Carefully balance these parameters based on your specific machining goals, tool capabilities, and the properties of the 1330 steel.

    By meticulously evaluating these factors and adjusting cutting speeds accordingly, you can fine-tune your machining process to achieve superior results when working with 1330 steel. Remember, the recommended cutting speeds are a guideline, and real-world optimization requires a holistic approach that considers the entire machining ecosystem.

    Disclaimer: The information provided here is intended as a general guideline. It is crucial to consult with tooling experts, refer to manufacturer recommendations, and conduct thorough testing to determine the optimal cutting parameters for your specific application and the specific properties of your 1330 steel.


Grade for Turning

Grade Coating App Range 05 10 15 20 25 30 35 40 45
SHARP METAL
YP15T PVD & CVD P15
PM25 PVD TiAlN P20
NC25 PVD TiAlN P20
TN15 PVD TiAlN P20
TN20 PVD TiAlN P20
TIN25 PVD TiAlN P20
YP25T PVD & CVD P25
YP35T PVD & CVD P35
FM CARBIDE
FM2533 CVD P10 - P10
FM2543 CVD P20
FM324 PVD P20-P30
FM2553 CVD P30
CANELA
NC25 CVD P05 - P20
TN15 CVD P10 - P25
TN20 CVD P20 - P25
PM25 Uncoated P20 - P35
TIN25 PVD P20 - P35
PM40 Uncoated P35 - P45
TN30 CVD P40
TL20 PVD P20
KM15 Uncoated P15
ISCAR
IC807 (IC907) PVD P05 - P25
IC570 PVD P15
IC908 PVD P15
IC250 PVD P15-P35
IC507 PVD P15-P35
IC1007 PVD P25
IC308 PVD P25
IC808 PVD P25
IC809 PVD P25
IC8150 CVD P10-P15
IC8250 CVD P15-P30
IC1008 CVD P25-P35
IC1028 CVD P25-P35
IC3028 CVD P25-P35
IC228 CVD P35
IC330 CVD P35
IC354 CVD P35
IC528 CVD P35
IC830 (IC328) PVD P25 - P45
Seco
TH1500 CVD P05 - P05
CP200 PVD P15
TS2000 PVD P15
TS2500 PVD P25
TP0501 CVD P05 - P20
TP1501 CVD P10 - P25
TP2501 CVD P15 - P35
CP500 PVD P15 - P40
CP600 PVD P25 - P45
TP3501 CVD P30 - P40
KENNAMETAL
KCP05B (KCP05) CVD P05 - P10
KCP10B (KCP10) CVD P10 - P20
KCU10 (KC5010) PVD P10-P20
KC5510 PVD P15
KU10T PVD P15
KCP25B (KCP25) CVD P20 - P30
KCU25 (KC5025) PVD P20-P30
KC5525 PVD P25-P35
KU25T PVD P25-P35
KCP30 CVD P30-P40
KCP40B (KCP40) CVD P35 - P45
SANDVIK
GC1115 PVD P05 - P20
GC4305 CVD P05 - P10
GC4415 (GC4315) CVD P10 - P15
GC125 CVD P15 - P25
GC4425 (GC4325) CVD P15 - P30
GC1125 PVD P20 - P30
GC1125 PVD P25-P35
GC15 PVD P25
GC4335 CVD P30-P40
TUNGALOY
T9205 (T9105) CVD P05 - P10
T9215 (T9115) CVD P10 - P20
AH725 PVD P15 - P30
T9225 (T9125) CVD P15 - P25
T9235 (T9135) CVD P30 - P40
WALTER
WPP10S (WPP10) CVD P05 - P20
WPP05S (WPP05) CVD P05 - P15
WPP20S (WPP20) CVD P10 - P30
WPP30S (WPP30) CVD P20 - P40
MITSUBISHI
UE6105 CVD P05 - P15
VP10MF PVD P15
MS6015 PVD P15
VP10RT PVD P25-P35
VP20RT PVD P25-P35
VP20MF PVD P25-P35
MC6015 (UE6010) CVD P10 - P20
VP15TF PVD P10 - P30
MC6025 (UE6020) CVD P15 - P20
MC6035 (UE6035) CVD P25 - P40
SUMITOMO
AC8015P (AC810P) CVD P05 - P15
AC8020P CVD P10 - P25
AC520U PVD P35
AC1030U PVD P10 - P30
AC8025P (AC820P) CVD P15 - P30
AC8035P (AC830P) CVD P25 - P45
KYOCERA
PR1005 PVD P15
PR930 PVD P15-P25
PR1115 PVD P15-P25
PR1535 PVD P25
PR1025 PVD P15-P35
PR1225 PVD P15-P35
PR1425 PVD P15-P35
PR1532 PVD P35
PR1625 PVD P35
IP2000 PVD P25
IP3000 PVD P35
1001 CVD TiCN P10
3010 CVD TiCN P20
3030 CVD TiCN P30
3030 PVD P35
801 PVD TiAlN P15-P30
3020 CVD TiCN P20-P30
PC8105 PVD P15
PC8110 PVD P15
PC8115 PVD P25
PC5300 PVD P25-P35
YBG101 PVD P15
YBG102 PVD P15
YBG105 PVD P15
YB9320 PVD P25
YBG205 PVD P25
YBG202 PVD P25
YBG302 PVD P35

Grade for Parting Off

Grade Apps Range
FM CARBIDE
FM324 P20-P30
FM2553 P30
CANELA
PM25 P25
PM40 P40
SANDVIK
GC1125 P05 - P20
GC1135 P15 - P35
ISCAR
IC808 (IC908) P05 - P30
IC830 (IC328) P20-P40
SECO
TGP45 P10 - P45
CP500 P20 - P45
T350M P25 - P45
CP600 P30 - P50
KENNAMETAL
KCU10 P05 - P20
KCU25 P20 - P30
WALTER
WKP13S P05 - P20
WSM23S P10 - P30
WSM33S (WSM33) P20-P40
WSM43S P30 - P45
SUMITOMO
AC1030U (AC530U) P10 - P25
AC520U P15 - P30
AC830P P20 - P40
TUNGALOY
AH725 P15 - P30
AH7025 P20 - P30
GH130 P25 - P40
MITSUBISHI
VP10RT P05 - P10
VP20RT P10 - P30
VP30RT P10 - P30


Grade for Grooving

Grade Apps Range
FM CARBIDE
FM2543 P20
FM2533 P10
CANELA
PM25 P25
PM40 P40
SANDVIK
GC1125 P05 - P35
KENNAMETAL
KC5010 P10 - P20
KCU10 P10 - P20
KC5025 P20 - P30
KCU25 P20 - P30
ISCAR
IC807 (IC907) P05 - P10
IC808 (IC908) P10 - P25
IC830 (IC328) P20 - P40
SECO
CP500 P10 - P25
CP600 P20 - P40
WALTER
WKP13S P05 - P20
WSM23S P10 - P30
WSM33S (WSM33) P20-P40
WSM43S P30 - P45
TUNGALOY
T9225 (T9125) P15 - P25
AH725 P15 - P30
AH7025 P20 - P40
GH130 P25 - P40
SUMITOMO
AC1030U (AC530U) P10 - P25
AC520U P15 - P30
AC830P P20 - P40
MITSUBISHI
VP10RT P05 - P10
VP20RT P10 - P25
MY5015 P10 - P20
VP30RT P20 - P40

Grade for Milling (Indexable)

Grade Coating Apps Range 05 10 15 20 25 30 35 40 45
FM CARBIDE
FM125 PVD P15 - P35
CANELA
PM25 Uncoated P05
PM40 Uncoated P05
TL10 PVD & CVD P05
TL20 PVD & CVD P05
TL40 PVD & CVD P05
TIN21 PVD & CVD P05
TIN25 PVD & CVD P05
SANDVIK
GC4330 CVD P10 - P25
GC4340 CVD P25 - P40
GC1010 PVD P20-P30
GC1030 PVD P20-P40
GC1130 PVD P20-P40
GC2030C PVD P30
GC2030 PVD P20-P40
ISCAR
IC808 (IC908) PVD P05 - P15
IC830 (IC928) PVD P10 - P40
IC250 PVD P20-P30
IC300 PVD P20-P40
IC328 PVD P20-P40
IC330 PVD P20-P40
IC350 PVD P20-P30
IC810 PVD P20
IC900 PVD P20-P30
IC910 PVD P20
IC950 PVD P20-P30
IC1008 PVD P20-P40
IC845 PVD P30
KENNAMETAL
KC510M PVD P05 - P10
KC522M PVD P10 - P25
KC525M PVD P20
KC527M PVD P20
KC610M PVD P20
KC620M PVD P20
KC635M PVD P20
KC715M PVD P20
KC720M PVD P20
KC730M PVD P20
KTPK20 PVD P20
KCPK30 CVD P25 - P40
KC725M PVD P30 - P40
KC530M PVD P30
KC735M PVD P30 - P40
KC537M PVD P30 - P40
KCPM40 PVD P30 - P40
WALTER
WKP25S (WKP25) CVD P15 - P35
WKP35G CVD P25 - P45
WSM45X CVD P35 - P45
WSP45S (WSP45S) PVD P35 - P45
WKP35 PVD P35
WKP45 PVD P40
SECO TOOLS
MP1501 CVD P05 - P20
MP3000 PVD P20 - P30
F25M PVD P20 - P30
F30M PVD P30
T60M PVD P40
F40M PVD P05 - P45
MP2501 CVD P15 - P45
TUNGALOY
AH120 PVD P15 - P25
AH725 PVD P15 - P30
AH3225 PVD P20 - P35
T3225 CVD P20 - P35
AH130 PVD P25 - P40
AH3135 PVD P30 - P40
MITSUBISHI
MP6120 PVD P10 - P30
VP15TF PVD P20 - P30
MP6130 PVD P20 - P40
VP30RT PVD P30 - P40
SUMITOMO
ACP2000 CVD P05 - P25
ACP200 PVD P20 - P30
XCU2500 CVD P05 - P30
ACU2500 PVD P10 - P40
ACP3000 PVD P20 - P45
ACP300 PVD P30 - P40
SHARP METAL
DP20M PVD TiAlN P15-P25
DP30M PVD TiAlN P30-P35
DP40M PVD P40
KYOCERA
PR830 PVD P20
PR1225 PVD P20
PR1230 PVD P20-P30
PR1525 PVD P20-P340
FM CARBIDE
CY9020 PVD P20
JP4120 PVD P20
CY150 PVD P20
JS4045 PVD P30
CY250 PVD P30
CY250V PVD P30
CY25 PVD P30
HC844 PVD P30
JS4060 PVD P40
PTH30E PVD P40
PTH40H PVD P40
JX1060 PVD P40
YG-1
602 PVD TiAlN P15-P30
PRAMET
M8310 PVD P20
8215 PVD P20
2003 PVD P20
M8325 PVD P30
M8326 PVD P30
M8330 PVD P30
M8340 PVD P40
M8345 PVD P40
M8346 PVD P40
KORLOY
PC3600 PVD P20-P30
PC3500 PVD P30
PC3700 PVD P30
PC5400 PVD P40
ZCC
YBG102 PVD P20
YBG202 PVD P20
YBG252 PVD P20
YBG302 PVD P30


Recommended Insert Cutting Edge Geometry for Steel 1330

Honing Siz 0.05-0.08 mm / 0.002-0.003"
Rake Angl 11° -13°
Land Angl Positive
Land Widt 0.20-0.30 mm / 0.008-0.012"