Acton Bright Steel
The Metal Professionals

Steel Stockholders of Carbon, Alloy, Stainless and Tool Steel, Aluminium, Brass, Tube, Box Section and Sheet
tel: 01784 455273  fax: 01784 451748  email: sales@actonbrightsteel.co.uk


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  • 1: Home
  • 2: Technical Guide
    • 2.1: Bright Low Carbon Steels
      • 230M07
      • EN1A Freecutting
      • 230M07 PG
      • 230M07PG
      • 230M07Pb
      • 230M07 Pb Leaded Freecutting
      • 070M20
      • EN3B
      • 080A15
      • EN32B
      • 040A10
      • Half hard round edge
    • 2.2: Bright Medium Carbon Steels
      • 080A42
      • EN8D
      • 212A42
      • EN8DM
      • 070M55
      • EN9
      • 150M19
      • EN14A
      • 210M15
      • EN32M
      • BS 46 PART 1 1958
      • KEY STEEL - EN6 TYPE
    • 2.3: Direct Hardening Steels
      • 605M36T
      • EN16T
      • 606M36T
      • EN16MT
      • 709M40T
      • EN19T
      • 817M40T
      • EN24T
      • 817M40 ANNEALED
      • EN24 ANNEALED
      • 835M30
      • EN30B
      • 535A99
      • EN31
      • 722M24T
      • EN40BT
    • 2.4: Case Hardening Steels
      • 665M17
      • EN34
      • 655M13
      • EN36B
      • 835M15
      • EN39B
      • 905M39
      • EN41B
      • 635M15
      • EN351
      • 637M17
      • EN352
      • 815M17
      • EN353
    • 2.5: Stainless Steels
      • 303S31
      • European No. 1.4305
      • 304S11
      • European No. 1.4307
      • 316S11
      • European No. 1.4404
      • 416S21
      • European No. 1.4005
    • 2.6: Tool Steels
      • BO1
      • GRADE O1
      • BD2
      • GRADE D2
    • 2.7: Aluminium
      • 6082-T6
      • HE 30
      • 2011
      • FC 1
    • 2.8: Brass
      • CZ121 PB3
    • 2.9: Sheet
  • 3: Useful Info
    • 3.1: International Specification Comparison Chart
    • 3.2: BS 970 (1991) Tolerances
    • 3.3: ISO Tolerances
    • 3.4: Conversion of Standard Units
    • 3.5: Formulae
    • 3.6: Hardness comparison table
    • 3.7: Gauges for Tubes & Sheets (SWG)
  • 4: Stock Range
    • 4.1: Rounds - imp
    • 4.2: Rounds - mm
    • 4.3: Hexagons
    • 4.4: Flats
    • 4.5: Squares
    • 4.6: Angles
    • 4.7: Key Steel
    • 4.8: Tool Steel
    • 4.9: Stainless Steel
    • 4.10: Aluminium
    • 4.11: Brass
    • 4.12: Sheet
  • 5: FAQ
  • 6: Contact Us
    • 6.1: LOCATION
  • 7: Brochure Request
  • 9: Special Offers
  • 10: Downloads
    • 10.1: International Specification Comparison Chart (.pdf)
    • 10.2: Account application form (.pdf)
    • 10.3: Account application form (.xls)
    • 10.4: Terms and Conditions of Trading (.pdf)
    • 10.5: Quality Policy Document (.pdf)
    • 10.6: REACH letter (.pdf)
    • 10.7: RoHS 2 letter (.pdf)
    • 10.8: Conflict minerals (.pdf)
    • 10.9: Environmental policy (.pdf)
  • 3.1: International Specification Comparison Chart
  • 3.2: BS 970 (1991) Tolerances
  • 3.3: ISO Tolerances
  • 3.4: Conversion of Standard Units
  • 3.5: Formulae
  • 3.6: Hardness comparison table
  • 3.7: Gauges for Tubes & Sheets (SWG)
  



Hardness comparison table
Tensile Symbol Brinell Hardness Number (BHN) Vickers Pyramid Number (VPN) Rockwell Number C. Scale Equivalent Tensile Strength for Steel
Tons/sq.in N/mm2
114 114 -20 26
118 118 -17 27
121 121 -16 28
126 126 -12 29
131 131 -9 30
134 134 -7 31
140 140 -4 32
143 143 -3 33
149 149 -1 34
P 152 153 0 35 550
156 156 1 36
167 166 4 37
174 174 7 39
Q 179 179 8 40 625
183 183 9 41
187 187 10 42
192 192 12 43
197 197 13 44
R 201 202 15 45 700
212 212 17 46
217 217 18 47
S 223 223 20 50 775
229 229 21 51
235 235 22 52
241 241 23 53
T 248 248 24 55 850
255 256 25 56
262 263 26 57
U 269 270 28 60 925
277 279 29 61
285 287 30 62
V 293 296 31 65 1000
302 305 32 68
W 311 316 33 70 1075
321 327 34 71
331 339 35 72
X 341 350 36 75 1150
352 363 37 76
Y 363 375 38 80 1225
375 389 40 82
388 404 41 84
401 420 42 88
415 437 44 91
429 454 45 94
Z 444 472 46 100 1550
Whilst every effort has been taken to ensure the accuracy of this publication, Acton Bright Steel Ltd cannot accept responsibility for any errors, omissions or mis-statements. Acton Bright Steel Ltd also reserves the right to change all or any part of the information contained within this website without notice.

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