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AFNOR 316F20 Details
AFNOR 316F20 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | 316F20 | France - AFNOR , NF A 49-214 - Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 16.00 | 18.00 | ||
| Ni | 11.00 | 13.00 | ||
| Mo | 2.00 | 2.50 | ||
| B | 0.0015 | 0.0060 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 357 (≥) | 936 (≥) | 22 | 23 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 457 (≥) | 195 (≥) | 14 | 24 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 531 | 281 | 386 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| Z6CND17-11-02FF | AFNOR | France | Iron and steel. Stainless steel wire rods for cold forming |
| Z6CND17-13B | AFNOR | France | Iron and steel. Stainless steel for high temperature application |
| Z6CND17.12B | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| 316F20 | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| Z6CNNb18-12B | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| Z6CNT18.12B | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| 321F20 | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| Z6CNNb18.12B | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| 347F20 | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
| 20X12BHMΦ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 15X12BHMΦ | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| 18X12BMBΦP | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |