1j79 Precision Alloy Bar

Product Details
Customization: Available
Type: Special Steel Bar
Standard: AISI, ASTM, DIN, JIS, GB
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Management System Certification
ISO9001:2015
Export Year
2016-10-21
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Basic Info.

Composition
Ferrous Steel Scrap
Technique
Hot Rolled
Shape
Bar
Surface Treatment
Polished
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Boiler Plate
Yield RP0.2 (MPa)
724
Tensile RM (MPa)
171
Impact Kv/Ku
42
Elongation a (%)
31
Reduction in Cross Section on Fracture Z
44
as-Heat-Treated Condition
Solution and Aging, Annealing, Ausaging, Q+T
Brinell Hardness (Hbw)
242
Transport Package
Woven Bag, Wooden Box
Specification
ISO SGC
Trademark
Taixie
Origin
Wuxi, Jiangsu
HS Code
7507120000
Production Capacity
10000tons/Y

Product Description

DATASHEET FOR:STEEL GRADES:SPECIAL ALLOY:1J79

Chemical composition(mass fraction)(wt.%) of the 1J79
C(%) Si(%) Mn(%) P(%) S(%) Ni(%) Mo(%) Cu(%) Fe(%)
0.03 0.30-0.50 0.60-1.10 0.020 0.020 78.5-80.0 3.8-4.1 ≤0.2 Bal
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade1J79

MECHANICAL PROPERTIES
Yield
Rp0.2(MPa)
Tensile
Rm(MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
724 (≥) 171 (≥) 42 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

PHYSICAL PROPERTIES 
Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson's coefficient, ν
11 - -     0.43 -  
327 768 - 41.3 214   -  
323 - 33 24.2     321 233

Heat treated : 1256°C - 1768°C

Doris
Phone:+8613400008153
Tel: 0510-88222973
Fax: 0510-88222975
Web: taixie.en.made-in-china.com
Add:No.22, Xinfeng Road, Xin District, Wuxi, Jiangsu, China.
Over 16 years of specialist experience in Copper, Mould steel, steel alloy, aluminum ! Welcome to order and customized.

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