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GB/T1221-2007 S32168 (06Cr18Ni11Ti) Stainless steel plate
The GB/T1221-2007 S32168 steel has the following chemical composition and mechanical properties:
|
Chemical Element |
Composition (wt.%) |
|---|---|
|
Carbon (C) |
0.08% |
|
Silicon (Si) |
1.0% |
|
Manganese (Mn) |
2.0% |
|
Phosphorus (P) |
0.045% |
|
Sulfur (S) |
0.03% |
|
Chromium (Cr) |
17.0-19.0% |
|
Nickel (Ni) |
9.0-12.0% |
|
Molybdenum (Mo) |
4.0-6.0% |
|
Titanium (Ti) |
5C-0.70% |
|
Mechanical Property |
Value |
|---|---|
|
Yield Strength (R p0.2) |
≥ 669 MPa |
|
Tensile Strength (R m) |
≥ 118 MPa |
|
Impact (KV/Ku) |
42 J |
|
Elongation (A) |
44% |
|
Reduction in Cross Section on Fracture (Z) |
31% |
|
Brinell Hardness (HBW) |
334 (As-Heat-Treated Condition) |
S32168 heat treatment process:
1) solution temperature 920 ~ 1150℃ fast cooling;
2) According to the requirements of the demander, it can be stabilized, and the heat treatment temperature is 850 ~ 930℃, but it must be indicated in the contract.
3) The solution temperature can not exceed 1066℃, if it exceeds, it must be stabilized to prevent chromium precipitation.
S32168 stainless steel is Ni-Cr-Ti austenitic stainless steel, with abrasion resistance, high temperature resistance, creep resistance, etc., used in the manufacture of wear-resistant acid containers and wear-resistant equipment lining, conveying pipelines.
S32168 corresponds to the new national label: 06Cr18Ni11Ti, the old brand (0Cr18Ni11Ti),
Executive standard: GB/T 20878-2007 stainless steel and heat-resistant steel grade and chemical composition
GB/T 24511-2017 Stainless steel plates and steel belts for pressure equipment
GB/T 4237-2015 Stainless steel hot rolled steel sheets and strips
NB/T 47010-2017 Forgings of stainless steel and heat-resistant steel for pressure equipment
The chemical composition of S32168 is as follows:
The GB/T1221-2007 S32168 steel is primarily used as heat-resisting steel bars. While specific applications are not detailed in the sources I found, the general use of such steel grades includes various high-stress and high-temperature environments. Given the nature of heat-resisting steel bars, typical uses may include:
Aerospace and Aviation: Components that require high strength and resistance to temperature changes.
Shipbuilding: Parts that are exposed to harsh marine environments and require corrosion resistance.
Petrochemical Industry: Equipment used in the processing of chemicals where both high temperature and corrosion resistance are necessary.
Nuclear Power: Components in nuclear reactors where materials must withstand high temperatures and corrosive environments.
Electronics and Turbine Manufacturing: Parts that require durability and resistance to heat and wear.
High-speed Rail and Marine Engineering: Structural components that need to withstand stress and temperature fluctuations.
Pressure Vessel and Machinery Manufacturing: For components that are exposed to high pressure and temperatures.
These applications leverage the mechanical properties of S32168 steel, such as high yield and tensile strength, good elongation, and hardness, making it suitable for environments where materials are exposed to high stress and temperature
