655M13 round bar steel

Description

Application: Highly stressed large sized components for aircraft and truck construction, and for general engineering purposes, e.g. gear wheels, cranks hafts, heavy-duty gear shafts.

Features: *0Cr2Ni4 is high intension of alloy cementation steel ,has excellent comprehensive mechanical property. It's hardenability and obdurability higher than *2CrNi3. It's excellent forgeability.

Related specifications:
Germany W.Nr 1.***2 DIN *4NiCr*4
Great Britain BS**0 – Part 3 – ***1 **5 M*3
BS**0 – ***5 EN*6A
GOST G*5H*3, G*5M*3
Japan JIS G ***2 SNC**5H
JIS G ***2 SNC**5
U.S.A. SAE ***0 ***0
AISI E ***0 E***0
France *2NC*5, *4NC*2
Australia AS ********7 – X***2/X***2H
UNS G****6/G****6

Quality Standard:
EN ****7 - 4 : ***8 Bright steel products. Technical delivery conditions. Case hardening steels
EN ****4 : ***8 Case hardening steels. Technical delivery conditions

Chemical Composition(%):
Carbon 0.***0.*3
Silicon 0.*7 *0.*7
Manganese 0.***0.*0
Chromium 1.***1.*5
Phosphorous 0.*4 max
Sulphur 0.*4 max
Nickel 3.*5~3.*5

Process: EAF+LF+VOD+Rolled+Heat Treatment(optional)

SIZE RANGE:
Round:
Hot Rolled/Forged: 8mm –***0mm
Flat:
Hot rolled: Thickness:*****0mm Width: less than **0mm

SURFACE FINISHES:
Black, Peeled (K*2), Cold Drawn, Turned & Polished (H*0, H*1), Precision Ground (H9, H8)

Ultrasonic test: According to SEP ******4 3C/c