OHNS Round Bars, OHNS Round bar manufacturer, OHNS Rods Supplier, OHNS Stockiest, OHNS Dealers, OHNS Distributors, OHNS Whole sellers.
 
Grade Introduction:
OHNS steel is a general purpose tool steel that is typically used in applications where alloy steels cannot provide sufficient hardness, strength and wear resistance. Chemical composition of OHNS is Carbon 0.94%, Manganese 1.2%, Silicon 0.30%, Chromium 0.50% and Vanadium 0.15%.
 
Din 2379 Consolidates maximum wear resistance, great durability, exceptional front line maintenance and treating resistance 12 % ledeburitic chromium steel. It can be nitrided after special heat treatment. It can be utilized as threading rolls and dies, icy trimming, cutting and stamping tools for sheet thickness’s up to 6 mm, accuracy cutting instruments for sheet thicknesses up to 12 mm.
 
Grade Application:
 
Equivalent grades:
STANDARDS
100MnCrW4
O1
DIN 2510
AISI O1
AFNOR 90MWCV5
JIS SKS3
 
Addition to other grades:
MS, EN1a, EN3b, EN8, EN8d, EN9, EN19, EN24, EN31, EN32b, EN36c, EN41b, EN43b, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, M2, M35, M42, 2714, SKD-11, P20, P20+s, P20+Ni, SCM 420, ASTM Sa-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.
 
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Chemical composition:
The following table shows the chemical composition of  OHNS steel:
Element
C
Si
Mn
P
S
Cr
W
Content(%)
0.85-1.00
0.15-0.35
1.00-1.20
0.03 Max
0.03 Max
0.50-0.70
0.50-0.70
 
Mechanical Properties:
OHNS O1 cold work steel is an equivalent of DIN 2510. The grade AISI O1 tool steel is an oil-hardening, non-shrinking tool steel and has a good cutting edge retention, high hardenability and dimensional stability during heat treatment.
 
Hardness:
Max. 230
 
Heat treatment:
 
Hardening:
Hardening °C – 780-820
 
Tempering:
 
Physical Properties:
Thermal Conductivity at °C
W / (m*K)
20
33.4
350
32.1
700
31.1
 
Thermal Properties:
Thermal Conductivity at °C
W / (m*K)
20
33.4
350
32.1
700
31.1
 
Forging Properties:
 
Stress Reliving:
Stress-relief Annealing °C – approx. 650
 
Normalizing:
 
Annealing:
Soft Annealing °C – 750-780
 
Density:
 
Machine ability:
 
Welding:
 
Supply Cities:
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