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C22E / 1.1151 Special Steel

can you weld stress proof steel

Under EN10083-2:2002 standard,C22E / 1.1151 Special Steel is to point to to meet a certain strength and formability levels of steel. Formability tensile test to break elongation said. Structural steel are used for carrying such use, in these USES the strength of steel is an important design standards.

C22E / 1.1151 Special Steel can be divided into: alloy steel carbon structural steel low alloy steel heat resistant steel, etc.

C22E / 1.1151 Special Steel Chemical Composition per EN 10083-2 (Special Steel)

GRADE NUMBER C Si Mn P S Cr Mo Ni Cr+Mo+Ni
C22E 1.1151 0.17-0.24 ≤ 0.40 0.40-0.70 ≤ 0.030 ≤ 0.035 ≤ 0.40 ≤ 0.10 ≤ 0.40 ≤ 0.63

C22E / 1.1151 Special Steel Mechanical properties in the quenched and tempered condition (+QT)

Mechanical properties for the ruling sections (see prEN10083-1:2002, Annex A) with a diameter (d) or for flat products trickness (t) of
d  ≤ 16mm t ≤ 8mm 16mm < d  ≤ 40mm 8mm < t  ≤  20mm 40mm < d  ≤ 100mm 20mm < t  ≤  60mm
Re min (MPa) 340 290
Rm (MPa) 500-650 470-620
A  min. (%) 20 22
Z  min. (%) 50 50
KV min. (J)                   50                 50                   –

C22E / 1.1151 Special Steel Mechanical properties in the normalized condition – (+N)

Mechanical properties for  products with a diameter (d) or, for flat products trickness (t) of
d  ≤ 16mm t ≤ 16mm 16mm < d  ≤ 100mm 16mm < t  ≤  100mm 100mm < d  ≤ 250mm 100mm < t  ≤  250mm
Re min. (MPa) 240 210
Rm min. (MPa) 430 410
A  min. (%)                  24                 25                    –

C22E / 1.1151 Special Steel Heat treatment conditions

Quenching 0C Quenching agent Tempering temperature0C Normalizing 0C
860-900 Water or oil Oil or water 550-660 880 to 940

Semi-hard, tough carbon-steel, easily machinable by cold-strain.

C22E / 1.1151 Special Steel Weldability:


Easily weldable.

C22E / 1.1151 Special Steel Hardenability:


Extremely low hardenability, used above all for pieces of small section and when deformations due to water-quenching are allowed.

Notes:

CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication):

DIN 17200 AFNOR 35-551
 Cm22  XC18u

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