Stainless Steel Coil 316

Stainless Steel Coil 316

Stainless steel coil 316 Chemical composition C :≤0.08 Si:≤1.00 Mn:≤2.00 S :≤0.030 P :≤0.035 Cr:16.00~18.50 Ni:10.00~14.00 Mo:2.00~3.00 Performance 316 stainless steel yield strength (N/mm2)≥205 Tensile strength ≥520 Elongation (%) ≥40 Hardness HB ≤187 HRB≤90 HV ≤200 Density 7.93 g·cm-3 Specific...
Product description

The Chemical Composition of Stainless Steel Coil 316

C ≤ 0.08

Si ≤ 1.00

Mn ≤ 2.00

S ≤ 0.030

P ≤ 0.035

Cr: 16.00~18.50

Ni: 10.00~14.00

Mo: 2.00~3.00


Performance

316 Stainless Steel Yield Strength (N/mm2)≥ 205

Tensile Strength ≥ 520

Elongation (%) ≥ 40

Hardness HB ≤ 187 HRB ≤ 90 HV ≤200

Density: 7.93 g·cm-3

Specific Heat c(20℃)0.502 J·(g·C)-1

Thermal conductivity λ/W(m·℃)-1 (at the following temperature/℃)

20     100   500

12.1   16.3   21.4

Coefficient α/(10-6/℃) (/℃ between the following temperatures)

20~100  20~200  20~300  20~400

16.0  16.8  17.5  18.1

Resistivity 0.73 Ω·mm2·m-1

Melting Point 1398~1420℃


Mechanical Properties

Tensile Strength σb(MPa) ≥ 520

Conditional Yield Strength σ0.2(MPa) ≥ 205

Elongation Rate δ5(%) ≥ 40

Shrinkage Rate of Section ψ(%) ≥ 60

Hardness: ≤187HB; ≤90HRB; ≤200HV


Heat Treatment Specification and Metallographic Organization

Specification for heat treatment: solution 1010~1150℃ fast cold.

Metallographic structure: The organization characteristic is the austenite shape.

Delivery Status: Generally in the state of heat treatment delivery, the type of heat treatment in the contract noted; not noted, according to heat treatment status


Physical Properties at Low Temperature

(1) Coefficient of Thermal Conductivity

The thermal conductivity of all kinds of stainless steel at very low temperature is slightly different, but in general it is about 1/50 of the heat conduction coefficient at room temperature. The thermal conductivity increases with flux (flux density) at low temperatures.

(2) Specific Heat Capacity

At very low temperatures, there are some differences in the specific heat capacity of various stainless steels. Heat is affected by the temperature, at 4k the specific heat capacity can be reduced to room temperature under 1/100.

(3) Thermal Expansion

For austenitic stainless steel, there is a slight difference in the size of shrinkage (relative to 273K) under 80k. The content of nickel has a certain effect on the shrinkage rate.

(4) Resistivity

At very low temperature, the difference of resistivity between different grades increases. The alloying element has a great influence on the resistivity.

(5) Magnetic

At low temperature, austenitic stainless steel has different influence on the load magnetic field than the mass magnetization. The content of different alloying elements also varies.

There is no difference in the permeability of different grades.

(6) Elastic modulus

At low temperature, the Poisson ratio of austenitic stainless steel with magnetic transformation produces the extremum.


Characteristics

Excellent corrosion resistance, suitable for a variety of media;

Mo has been added to improve the corrosion resistance of reductive salts;

Corrosion resistance to marine and industrial atmospheres can be used in seawater equipment;

Because of its low carbon content, the corrosion resistance of grain boundary is excellent;

It can be used in pulping and papermaking machinery;

Outstanding processing function and weldability.

 


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