🔒
Welcome at Praezi >Login Webshop
search languages menu
DEFRRU
Sonderabmessungen konfigurieren To the cart

AISI 420 FM

Selected article

PRÄZI Flat steel

Thickness Tolerances: Thickness +0,25/0 mm, Width +0,40/0 mm, Length +20/0 mm Prices in € per piece (valid only for the German market)
Width
(mm)
8,4 10,4 15,4 20,4 25,4 30,4 40,4 50,4 60,4 80,4
20,4 28 34 45              
25,4 31 39 47 63            
30,4 33 41 56 74 78          
40,4 38 47 64 86 93 111        
50,4 41 52 73 93 105 121 147      
60,4 49 60 87 108 121 141 166 210    
80,4 61 75 101 125 150 175 201 252 287  
100,4 73 88 128 156 179 210 242 299 338 379
125,4 86 108 159 185 217 249 268 338 385 439
150,4 100 123 189 226 249 315 350 449 497 529
200,4 132 152 250 276 328 405 465 522 598 656
250,4 155 178 308 316 401 465 522 592 700 776
300,4 178 210 359 392 477 541 599 675 802 893

PRÄZI square bar

with machining allowance 500 mm
Thickness
Length (mm) 20,4 25,4 30,4 40,4 50,4 60,4 80,4
500 61 78 83 129 182 265 315
Tolerances for cross section +0,25/0 mm
Thickness Tolerances: Thickness +0,25/0 mm, Width +0,40/0 mm, Length +20/-20 mm Prices in € per piece (valid only for the German market)
Width
(mm)
8,4 10,4 15,4 20,4 25,4 30,4 40,4 50,4 60,4 80,4
20,4 44 56 74              
25,4 50 62 77 103            
30,4 54 66 91 121 129          
40,4 60 76 105 143 154 182        
50,4 66 85 119 154 175 201 244      
60,4 81 97 144 176 201 233 276 350    
80,4 101 123 168 207 250 292 334 419 477  
100,4 119 146 210 260 297 350 403 498 562 631
125,4 144 178 265 307 360 413 445 562 641 731
150,4 165 205 313 376 413 525 583 747 827 882
200,4 218 252 413 459 546 673 774 869 996 1092
250,4 256 294 509 528 668 774 869 986 1166 1293
300,4 295 349 594 652 795 901 996 1123 1335 1488

PRÄZI square bar

with machining allowance 1030 mm
Thickness
Length (mm) 20,4 25,4 30,4 40,4 50,4 60,4 80,4
1030 101 130 138 214 303 440 525
Tolerances for cross section +0,25/0 mm

AISI 420 FM Data sheet download

Tempered and hardened steel More Information

Technical delivery terms PRÄZI Flachstahl

( Dimensions in mm )

Range of application:
These specifications apply for fine-machinedbars in the followngi ranges of application:

  • from 10 to 500 mm width for flat steel dimensions
  • from 1 to 100 mm thickness for flat steel dimensions
  • 500, 1000 and 1030 mm length for flat steel dimensions
  • from 4 to 150 mm side length for square steel dimensions.
  • It does not apply to:
  • bright flat steel according to DIN EN 10278
  • bright squares according to DIN EN 10278
  • cold-rolled steel strip according to DIN EN 10140

Concept
Precision flat steel and square steel are sharp-edged bars with fine
machined longitudinal surfaces free of decarburisation.

Designation
The following are to be indicated in the designation in the seuqence given below:

  • Name (PRÄZI Flachstahl)
  • Delivery conditions (DIN 59350,mit Bearbeitungsaufmaß)
  • Abbreviation or material number
  • Nominal sizes (flat steel: width, thickness, length; square steel: thickness, length)

Example:

PRÄZI Flachstahl DIN 59350
1.2842 150 x 30 x 100 mm

PRÄZI Flachstahl mit Bearbeitungsaufmaß
1.2436 Vkt. 20,4 x 1030 mm

Dimensions, permissible dimensional deviations and deviations of form
The permissible deviations from the nominal sizes are as follows:

For PRÄZI- flat steel according to DIN 59 350

Thickness grounded / fine-machined Tol.: +0,05 / - 0 mm
Width grounded / fine-machined Tol.: +0,2 / - 0 mm

Length, one fine-machined end face,
one rough-machined end face

Tol.: +5 mm
 Square steel dimensions, thickness Tol.: +0,05 / - 0 mm

 

For PRÄZI- flat steel according to DIN 59 350 with machining allowance:

Thickness grounded / fine-machined Tol.: +0,2 / - 0 mm
Width grounded / fine-machined Tol.: +0,2 / - 0 mm

Length, one fine-machined end face,
one rough-machined end face

Tol.: +5 mm
Square steel dimensions , thicknessTol.: +0,20 / - 0 mm

 

Angular deviation for PRÄZI- flat steel according to DIN 59350
The permissible angular deviation between the side faces and between
the end faces and these faces 0°15´.

For PRÄZI flat steel with machining allowance:

Thickness grounded / fine-machined Tol.: + 0,25 / - 0 mm
Width grounded / fine-machined Tol.: + 0,4 / - 0 mm

Length fine-machined / sawn length 500 mm

Tol.: + 20 mm
Length fine-machined / sawn length 1030 mm Tol.: +/- 20 mm
Square steel dimensions , thickness Tol.: + 0,25 / - 0 mm

 

Angular deviation
The permissible angular deviation between the side faces is 0°15´.

Parallelism
The parallelism lies within the permissible dimensional tolerances. Deviations
therefrom are to be agreed when ordering.

Surface roughness
The figures for the peak-to-valley height relate in the case of

  • precision flat steel to the wide longitudinal sides
  • precision square steel bars to all longitudinal sides

It is for

  • bars without machining allowance     Ra ≤ 2 μm
  • bars with machining allowance           Ra ≤ 6 μm
  • bars with machining over-measure    Ra ≤ 6 μm

Heat treatment condition
The steels are normally delivered in a soft-annealed condition, other
heat treatment conditions are to be agreed when ordering.

Planeness and straightness
The deviation from the planeness and straightness are indicated in
the table below. They are measured on an individual piece along the
longitudinal and short sides with a feeler gauge. The test specimen is
to lie freely on a plane board.

Width (mm) thickness ( mm )
  >1 ≤2,2 >2,2 ≤5,2 >5,2 ≤10,4 >10,4 ≤20,4 >20,4
≤ 100,3 (1,0) 0,8 0,7 0,5 0,3
>100,3 ≤200,3 (1,5) 1,1 0,8 0,6 0,4
>200,3 ≤300,3 (2,0) 1,5 0,9 0,8 0,5
 >300,3 ≤500,3 (2,3)  2,0 1,2 1,0 0,8

For the small thicknesses, changes in planeness are possible.
Figures in brackets are only approximate values.

Delivery terms

Terms of delivery
Export

All prices are quoted in Euro per unit,
ex works, excluding packaging, plus alloy
surcharges
. Valid
from 01.05.15.

Minimum order quantity:
There are no minimum order quantities.
From an order value higher than
250 Euros, delivery is effected free german
border including packaging (CPT,
German Border, ICC-Incoterms 2010).

Shipping:
Consignments of goods up to 40
kg are delivered via parcel service.
Consignments of goods above 40
kg are delivered by a forwarding
agent. The receiver has to bear all
the risks during the transport.

Shipping costs:
Parcel shipment is effected at cost
price. Consignments that can be separated
are split up into several parcels
to your advantage. Shipped parts with
a weight of more than 40 kg are delivered
by a freight forwarder (Freight
charges available on request).

Scale of prices:

Order value Quantity discount
 
0 to 250 Euro Order value   plus freight charges
and packaging
 
   > 250 Euro Order value   free German border
 
   > 2000 Euro Order value   less 4 %
 
   > 4000 Euro Order value   less 6 %
 
   > 6000 Euro Order value   less 8 %
 
   > 8000 Euro Order value   less 10 %

 

Delivery time:
All standard PRÄZI-flat steels are available
at the day of order. Orders, we receive
by 13:00 hrs, are shipped on the
same day.

Our currently valid alloy surcharges are stored here

The general business terms and conditions from PRÄZI–Flachstahl AG are stored here.

Alloy surcharges for PRÄZI flat steel deliveries

Alloy surcharges for PRÄZI flat steel deliveries

Information about the current alloy surcharges is available on request
E-Mail: verkauf(at)praezi(dot)de.

You are an registered shop-customer? After successful login, you can inform yourself in our webshop about the current alloy surcharges.

menu
PRÄZI uses cookies to make your visit to our site more comfortable. By clicking the OKAY button without changing your cookie settings, you give us your consent to use cookies. For more information, please read our Cookie Policy
OKAY