27siMn seamless steel pipe performance and chemical composition

Mechanical Properties and Chemical Composition of 27siMn Seamless Steel Tube
Steel group
sequence
number
Unified number
Word code
Grade
Chemical composition (mass fraction) (%)
C
Si
Mn
Cr
Mo
Ni
B
V
other
siMn
8
A1O272
27siMn
O. 24~O. 32
1.10 to 1.40
1.10 to 1.40
Steel group
sequence
number
Brand
Specimen
blank
size
/mm
Heat treatment
Mechanical properties
Annealed steel or high temperature tempered supply state Brinell hardness HBSl00/3000
≤
Quenching
Backfire
Tensile strength ób/MPa
Yield point
Ós/MPa
Elongation after fracture δ5 (%)
Section shrinkage ¢ (%)
Shock absorption work Aku2/J
Heating temperature/°C
Coolant
heating
temperature
/°C
Coolant
First quench
Second quench
≥
SiMn
27SiMn
25
920
water
450
Water, oil
980
835
12
40
39
217

1. It can be cut and processed, with high production efficiency, high speed, no deformation of the machined surface, no burr, especially suitable for occasions with high welding quality and efficiency requirements.
2. Wide range of applications.
3. Applicable materials: cast iron, cast steel, structural steel, tool steel, bearing steel, stainless steel, copper and copper alloy, aluminum and aluminum alloy, plastic and so on.
4. Wide range of applicable sizes
5. Multi-cut technology, the pipe is stationary, the tool rotates, and the safety performance is high.
6. With temperature rise protection, long motor life
7. The pipe is automatically centered during clamping and can be automatically fed. It is easy to operate.
8. The main motor adopts constant speed feedback regulation, and the process of cutting the groove is stable.
9. All specifications can realize automatic feeding function, easy to use

10. Lightweight design, light and easy to carry, on-site cutting has a unique advantage

The Desktop CNC Cutting Machine is a CNC bench-top Cutting Machine structure. The whole machine work surface adopts the integral rim structure, which has the characteristics of stable and reliable operation and long service life. The model adopts optical axis linear guide and bilateral drive. It can realize the cutting of any metal materials according to any pattern, with good effect, no dross and burr, widely used for cutting carbon steel, low alloy steel, stainless steel, copper and copper all kinds of metal plate materials.

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