Iowa Midland Supply Inc
Providing Quality Products and Services since 1953   

 

Band Saw Blade Metal Application Guide

 


How to use band saw selection guide.  

1) Locate the shape of the material your cutting from this chart. Follow the column down until you find the width, diameter, or average width of cut for the material being cut.  This will give you the tooth selection.

2) Next determine the material to be cut using the chart below.  Then locate the machinability group number located to right side.

3)  Then using the machinability group number refer to Machinability group chart to determine the blade type needed for standard cutting or high performance cutting.  Make necessary adjustments to sq. in./Min. per tooth and blade selection.

 

Table of Contents

  1. Carbon steels
  2. Free machining carbon steels
  3. Carbon alloy steels
  4. Tool steels
  5. Stainless steels
  6. Nickel based alloys
  7. Titanium alloys
  8. Miscellaneous metals & materials
  9. Machinability group chart

 


Carbon steels

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
1008-1035 1 320 15
1040-1064 1 230 8
1065-1095 1 190 6
1513-1536 1 330 16
1541-1572 1 330 8
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Free machining carbon steels

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
1108-1132 1 330 16
1137-1151 1 260 9
1212-1213 1 340 16

 

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Carbon alloy steels

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
1320-1345 1 210 8
3115-3150 2 235 8
3310-3315 2 210 5
4017-4042 1 275 7
4130-4150 2 250 7
4317-4340 2 225 6
4608-4621 2 220 6
4812-4820 2 190 4
5045-5135 2 240 8
5140-5160 2 230 6
50100-52100 2 165 5
6117-6152 2 220 6
8615-8645 2 220 7
8647-8660 2 190 4
8715-8750 2 230 6
9255-9262 2 190 4
9310-9317 2 165 3
9437-9850 2 210 5

 

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Tool steels

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
A2, A3, A8, A9 3 190 5
A4-A6 3 160 5
A7-A10 4 80 4
D2-D5 4 100 3
D3, D4 4 85 3
D7 4 75 1.5
O1, O2 3 200 7
O6, O7 3 190 8
H10-H14 3 190 6
H21-H42 3 155 5
L2-L6 3 185 7
L7-S1 3 190 6
M1 3 140 5
M2, M3 3 110 3.5
M4, M10, M15, M41, M47 4 85 2
M6, M7 3 120 5
M30, M36 4 100 2
T1, T2 3 120 3.5
T4, T5 4 100 2
T6 4 90 2
T8 4 75 2
T15 4 75 1.5
S2-S7 3 140 3.5
W1-W5 3 200 7

 

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Stainless steels

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
201, 202, 301, 302, 304, 304L, 304N, 305 3 115 5
303, 303F, 303SE 3 125 5
308, 309, 309S, 310, 330, WF11 4 85 2
314, 316, 316F, 316L, 316N, 317 4 75 2
321, 347, 348, 384, 403, 405 3 115 5
410, 414, 420, 420F, 431 3 140 5
416, 430F, 430FSE, 430SE 3 170 8
416SE 3 190 8
430, 446 4 85 4
434, 436 3 115 3.5
440A, B, C 3 110 5
440F, 443 3 130 5
442 4 95 4
17-4-PH, 17-7-PH 4 75 4

 

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Nickel based alloys

Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
Monel 4 80 4
K Monel 4 80 2
KR Monel 4 85 3
R Monel 4 90 4
Aged Monel 4 60 1.5
Inconel 4 90 3
Inconel X 4 80 1
Hastelloy A 4 100 2
Hastelloy B, C 4 90 1.5
Hastelloy X 4 70 1

 

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Titanium alloys
Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
Metals with titanium as major alloying element 4 90 1

 

 

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Miscellaneous metals & materials
Material Designation Machinability group number Blade speed (SFPM) Square inches per minute
Aluminum bronze, soft 1 340 15
Aluminum bronze, hard 2 210 6
Manganese bronze, soft 1 340 15
Manganese bronze, hard 2 210 6
Phosphor bronze, soft 1 340 10
Phosphor bronze, hard 2 200 5
Silicon bronze, soft 1 340 10
Silicon bronze, hard 2 200 5
Beryllium bronze, soft 1 285 8
Beryllium bronze, hard 2 145 3
Cast iron, class 20 2 180 3
Cast iron, class 40 2 130 2.5
Cast iron, class 60 2 110 2
Structural steel, ASA 36 1 330 15
Wood 5, 6 As required
Plastic 5, 6 As required
Aluminum 5, 6 As required
Mild steels 5, 6 As required
Low alloy steels 5, 6 As required
 
 

 

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Machinability group chart
Group number Performance desired Blade type to use Initial change to sq.in./min.
Group1 Standard cutting Bi-metal matrix II Reduce by 20%
  High production Bi-metal M42  No change
Group 2 Standard cutting Bi-metal M42  Reduce by 20%
  High production 1)Bi-metal matrix II  2)Bi-metal M42  No change
Group 3 Standard cutting 1)Bi-metal matrix II  2)Bi-metal M42  Reduce by 20%
  High production 1)Bi-metal matrix II  2)Bi-metal M42  No change
Group 4 Standard cutting 1)Bi-metal M42  2)Carbide tipped  Reduce by 20%
  High production 1)Bi-metal M42  2)Carbide tipped  No change
Group 5 Standard cutting Carbon hard edge, hard back  As required
  Production Carbon hard edge, hard back  As required
Group 6 Standard cutting, occasional usage Carbon hard edge, flexible back  As required

 

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References:
Nicholson Saw Division Application Guide, copyright 1997

 

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