mead Metals, Inc  
An independant metal service center servicing the stamping, etching and sheet metal industry since 1961
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  Metal Products
 
 
Beryllium Copper
Tempered Stainless Steel
Tempered Spring Steel
Phosphor Bronze
Brass
Copper
Stainless Steel Annealed
Annealed Spring Steel
Cold Rolled 1008/1010 Steel
Round Edge Flat Wire
 
ISO 9001:2000 Certified
  ISO 9001:2000 Approved
Certificate No:127427
 
Visa Master Card
  Mead Metals Inc. accepts
Visa and Mastercard
  UPS
  Mead Metals Inc. ships
UPS Worldwide
  Copper & Brass Service Center Association, Inc.
   

  Toll Free:
  Ph: 800-992-1484
  Fax: 800-352-3692
   
  Local:
  Ph: 651-484-1400
  Fax: 651-484-3692
 
Tempered Stainless Steel
Material certifications provided on all orders
ASTM A666
Tempered Stainless Steel
  .005
.134
 
301/302/304/ Quarter Hard, Half Hard, 3/4 Hard, Full Hard

Stainless Chemical Composition
  UNS Designation

 Carbon Manganese Phosphorous
 Sulfur Silicon
 Chromium Nickel Other Elements
301
S30100
.15
2.0
.045
.03
1.0
16.0-18.0
6.0-8.0
N 0.10
302
S30200
.15
2.0
.045
.03
0.75
17.0-19.0
8.0-10.0
304
S30400
.15
2.0
.045
.03
0.75
18.0-20.0
8.0-10.5
N 0.10

Physical Properties

 
1/4 Hard -
   
 
UNS
 Tensile, min hardness, max
  Designation psi mpa psi mpa
301 S30100 125 000 860 75 000 515
302 S30200 125 000 860 75 000 515
304 S30400 125 000 860 75 000 515

Elongation in 2 in. or 50 mm, min, %
  UNS   0.015 in  
  Designation < 0.015 in 0.030 in > 0.030
301 S30100 25 25 25
302 S30200 10 10 12
304 S30400 10 10 12

 
1/2 Hard -
   
 
UNS
 Tensile, min Yield Strength , min
  Designation psi mpa psi mpa
301 S30100 150000 1035 110 000 760
302 S30200 150000 1035 110 000 760
304 S30400 150000 1035 110 000 760
Elongation in 2 in. or 50 mm, min, %
  UNS   0.015 in  
  Designation < 0.015 in 0.030 in > 0.030
301 S30100 15 18 18
302 S30200 9 10 10
304 S30400 6 7 7

 
Full Hard -
   
 
UNS
 Tensile, min Yield Strength , min
  Designation psi mpa psi mpa
301 S30100 185 000 1275 140 000 965
302 S30200 185 000 1275 140 000 965


Elongation in 2 in. or 50 mm, min, %
  UNS   0.015 in  
  Designation < 0.015 in 0.030 in > 0.030
301 S30100 8 9 9
302 S30200 3 4 4


Free Bend Requirements

 
1/4 Hard -
   
 
UNS
 Thickness 0.050 in. Thickness > 0.050 to 0.1874
  Designation Bend Angle Bend Factor psi mpa
301 S30100 180 1 90 2
302 S30200 180 1 90 2
304 S30400 180 1 90 2

 
1/2 Hard -
   
 
UNS
 Thickness 0.050 in. Thickness > 0.050 to 0.1874
  Designation Bend Angle Bend Factor Bend Angle Bend Factor
301 S30100 180 2 90 2
302 S30200 180 2 90 2
304 S30400 180 2 90 2

 
3/4 Hard -
   
 
UNS
 Thickness 0.050 in. Thickness > 0.050 to 0.1874
  Designation Bend Angle Bend Factor Bend Angle Bend Factor
301 S30100 180 3 90 3
302 S30200 180 4 90 5

 
Full Hard -
   
 
UNS
 Tensile, min Yield Strength , min
  Designation Bend Angle Bend Factor Bend Angle Bend Factor
301 S30100 180 4 90 5
302 S30200 180 6 90 8

 
  555 Cardigan Road
  • St. Paul, MN 55126
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