27SiMn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 27SiMn

Location » Home » Grades > Structural Steel > 27SiMn

Category

Contact

Tel:+86-816-3646575

Fax:+86-816-3639422

M/P:+86-15386639257

E-mail:sales@steelgs.com

GB 27SiMn

Profile

This page is mainly introduced the 27SiMn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 27SiMn,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
27SiMn
  • Steel Garde:27SiMn
  • Type:Structural Steel
  • Country:China
  • Standard:GB
  • Standard Number:
    ITEM Standard Number Descriptions
    1 GB/T 11251 (2009) Hot-rolled alloy structural steel plates
    2 GB/T 17396 (2009) Hot-rolled seamless steel tubes for hydraulic pillar service
    3 GB/T 3077 (1999) Alloy structure steels
    4 GB/T 3078 (2008) Quality structural steel cold drawn bars
    5 GB/T 8162 (2008) Seamless steel tubes for structural purposes
  • Application:Structural and constructional steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.24  0.32
Si 1.10  1.40
Mn 1.10  1.40
P   0.035
S   0.035
Cu   0.30
Cr   0.30
Ni   0.30
Mo   0.15

Mechanical Properties

Tensile strength 602~209 σb/MPa
Yield Strength 968 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 247~674 -
HRC 30 -

Physical Properties

Thermal expansion 65-09 e-6/K
Thermal conductivity 57-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0295-3107 째C
Density 1927-7567 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
27SiMn Structural Steel Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

Hot keywords:27SiMn
Previous: AISI 501
Next: 1.0729