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| After-sales Service: | Communicate with Us |
| Warranty: | Communicate with Us |
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LORK is a special stainless steel manufacturer with 20 years of manufacturing experience.
Stainless steel 321H is a general purpose austenitic stainless steel that is stabilized against carbide precipitation and designed to work within the carbide precipitation temperature range 427 to 816°C (800 to 1500°F). It is non-magnetic in the annealed condition and can be hardened only by cold working. Titanium is added to the alloy's composition to suppress grain boundary chromium carbide precipitation and reduce susceptibility to intergranular corrosion.
Stainless Steel 321H Applications
The following are some of the major applications of Grade 321H stainless steel:
321H Stainless Steel Chemical Composition
Weight % (all values are maximum unless a range is otherwise indicated)
| Element | 321H |
| Cr | 17-19 |
| Ni | 9-12C |
| C | 0.04-0.14 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.03 max |
| Si | 0.75 max |
| Ti | 4(C+N)-0.7 |
| Fe | Balance |
310 Stainless Steel Mechanical Properties
Typical Values at 68°F (20°C)
| Yield Strength | Ultimate Tensile Strength | Elongation | Hardness | ||
| Psi(min) | MPa | Psi(min) | MPa | % (min) | (max) |
| 30,000 | 205 | 75,000 | 515 | 40 | 217 (HB) |
321H Stainless Steel Physical Properties
Density |
0.285 lbs/in3 7.89 g/cm3 |
Thermal Conductivity 200°F (100°C) |
8.0 BTU/hr/ft2/ft/°F 10.8 W/m-°K |
Specific Heat |
0.12 BTU/lb-°F (32 - 212°F) 502 J/kg-°K (0 - 100°C) |
Melting Range |
2470 - 2555°F 1354 - 1402°C |
Modulus of Elasticity |
28.5 x 106 psi 196 GPa |
Electrical Resistivity |
30.7 Microhm-in at 68°C 78.0 Microhm-cm at 20°C |
Available Sizes And Specification
| 321H stainless steel profile sizes and specifications | |
| Grade | 321H |
| Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, ISO |
| Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 . |
| Stainless steel round Bar | Diameter: 2mm - 600mm |
| Stainless steel bright Bar | Diameter: 2mm - 600mm |
| Stainless steel hex Bar | Dimension: 6mm - 80mm |
| Stainless steel square bar | Dimension: 3.0 - 180mm |
| Stainless steel flat bar | Thickness: 0.5mm - 200mm, Width: 1.5mm - 250 mm |
| Stainless steel angle bar | as requirements |
| Length | Normally 6m, or produce as requirements |
| Surface | Black, Bright. Peeled and Polished, Solution annealed. |
| Delivery condition | cold drawn, hot rolled, forged, grinding, centerless grinding |
| Tolerance | H8, H9, H10, H11, H12, H13,K9, K10, K11, K12 or as per clients' requirements |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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