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1.2741 / 55CrNiMoVS4-2-4 Tool Steel Round Bars

Product parameters
Place of Origin: P.R.China
Terms of Price:: Ex woks, CNF, CFR, DDU
Min. order quantity Per Batch:: 20000 KG
Product Shapes:: Round bar, flat bar, plate and forgings
Ultrasonic Test Standard:: ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308
Standard Export Packing Way:: Wooden box, pallet / tray free from fumigation
Production Lead Time:: Within 75 days after 40% deposit prepayable
Unified Social Credit Code:: 91510784777942750J
Company ISO Register No:: 04321Q32740R0S
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Description

TYPICAL APPLICATIONS
Cutting tools. Mechanical parts, Air hammer tools. Piercing tools.

ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special 
material is welcome.
Round bar (Diameter): 5.5 to 500mm
Flat bar (Thickness X width): 10 ~ 350 X 15 ~ 850 X Lmm
Heavy plate (Thickness X width): 60 ~ 400 X 80 ~ 1000 X Lmm
Length: fixed length, random length or based on the customer's special requirement.

CHEMICAL COMPOSITION (mass weight %)
C (%):  0.53 ~ 0.58, Si (%):  0.10 ~ 0.35, Mn (%):  0.70 ~ 0.90, P (%)≤:  0.030, S (%)≤:  0.015
Cr (%):  0.90 ~ 1.10, Ni (%):  0.45 ~ 0.60, Mo (%):  0.38 ~ 0.48
V (%):  0.03 ~ 0.10, Fe (%): remainder..

MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE - HARDNESS
Hot working tenperature /℃:  1050 ~ 850
Annealing temperature /℃:  650 ~ 700
Hardness after annealing ≤HBW:  25Quenching temperature /℃:   830 ~ 870
Cooling medium:  air or oil
Common tempering temperature /℃:  160 ~ 300
Hardening value after tempering at temperature /MPa | 100℃:  HRC 56

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