S700MC

High-strength low-alloyed steel for cold forming.
Excellent weldability properties Excellent load-bearing capacity.

Technical Characteristics:

Standard

EN10149-2

Identification Number

1.8974

Classification

Special Steel

Type

Alloyed Steel

Rolling State

AR – Rolling blank

Brief Description

High-strength low-alloyed steel for cold forming.
Excellent weldability properties Excellent load-bearing capacity.

Applications

Telescopic arms for mobile cranes, lifting crane arms, struts and frames for industrial vehicles, beds and sides for dump trucks, earth-moving and agricultural machinery.

Standard Coil Stock Range

S700MC 1000 1250 1500 2000
2
2,5
3
4
5
6
7
8
10
12
15
20

Chemical Composition

Regulatory standard

Elementor Value
C (%) ≤ 0.120
Si (%) ≤ 2,10
P (%) ≤ 0,025
S (%) ≤ 0,015
AI (%) ≥ 0,015
Nb (%) ≤ 0,090
Ti (%) ≤ 0,220
V (%) ≤ 0,200
Mo (%) ≤ 0,50
Element Value
Cu (%)
Cr (%)
Ni (%)
N (%)
B (%) ≤ 0,0050
Nb+Ti+V (%) *
Cr+Mo+Ni (%)
Ni+Cr+Cu+Mo (%)
C.E.V. (%)

* = (Nb + Ti + V) ≤ 0,22 (%)
C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]

Mechanical Properties

According to UNI EN 10149

Mechanical characteristics Direction Thicknesses Values
 Re (MPa) L < 8 ≥ 700
> 8 ≥ 680
 Rm(MPa) L 750-950
 A80 (%) L < 3 ≥ 10
 A5 (%) L ≥ 3 ≥ 12
 Bend Test 180° T ≥ 2 t
 KV 20°C (J)
 KV 0°C (J)
 KV -20°C (J) L 40*
 KV -40°C (J) L 27*
 KV -50°C (J)

* = Standard option
t = thickness in mm of the test tube for the bend test
L = Tensile testing carried out on longitudinal test pieces
T = Bend tests carried out on cross-cut test pieces

Tolerances

Tolerances on the dimensions and on the shape                     UNI EN 10051
Surface condition                                                                            UNI EN 10163-2

Certifications

EN10204-3.1

DISCLAIMER: SIDASTICO S.p.A. declines any and all liability for the accuracy and precision of the information herein and reserves the right to modify any part without advanced notice.

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