NF EN 10132-2 (may 2000) <-> NF A 37-505-2

Case Hardening Steels

Note : This is just a summary : please see the original texts

These comments apply to all 3 parts

Mechanical characteristics : indicated values apply to thicknesses „ 0,3 mm and < 3 mm ; for other thicknesses, the mechanical characteristics should be agreed at the time of inquiry and order.

Surface finish : cold rolled narrow steel strip should be bright as achieved by rolling and annealing in a controlled atmosphere. The surface finishes of quenched and tempered cold rolled strip may be different and should be agreed at the time of inquiry and order.

 

NF EN 10132-3 (may 2000) <-> NF A 37-505-3

Steels for quenching and tempering

Note : This is just a summary : please see the original texts

 

NF EN 10132-4 (may 2000) <-> NF A 37-505-4

Spring steels and other applications

Note : This is just a summary : please see the original texts

 

NF EN 10132 • Fuller information

Note : This is just a summary : please see the original texts

 

Scope

• width : < 600 mm

• thickness :
¾ 10mm in part 2 and for non alloy steels in part 3
¾ 6mm for non alloy steels in part 4
„ 0.3 et ¾ 3 mm in parts 3 and 4 for steels in the quenched
and tempered condition

Designations

• Modification of chemical symbols
- See NF EN 10027 part 1:
e.g. 25CD4 will be 25CrMo4

• Symbolic and numerical designations of the grades
- See NF EN 10027 part 2
e.g. 25CD4 will be 1.7218

• Delivery condition
+ A : annealed
+ LC : annealed and skin passed
+ CR : work hardened
+ QT : quenched and tempered

Dimensions and shapes

See standard NF EN 10140 (NF A 47 ­ 501)

Conditions and surface finishes :
indicative figures (out of standard NF EN 10132)

Structure

Unless otherwise agreed at the time of ordering, the grain size should be left
to the discretion of the manufacturer.