Werkstoff 1.4021 Stainless Steel Washers
420S37, BS2303, 1.4021, 420J1, S42000, X20CR13
1.4021 Fasteners like Washers are classified under Stainless Steel. Werkstoff 1.4021 Fasteners are internationally known as fasteners manufactured from 420 Stainless Steel.
Related Products
420 SS Bolts 420 SS Fasteners 420 SS Forgings 420 Stainless Steel Nuts SS 420 Screws 420 SS Threaded Rod 420 Stainless Washers 1.4021 Studs
Werkstoff 1.4021 Stainless Steel Washers Properties
Werkstoff 1.4021 Stainless Steel Washers Common Designations for cold heading
| Type Of Steel/Alloy | Grade | Steel Number | Steel Designation | UNS | Trade Name |
|---|---|---|---|---|---|
| General purpose martensitic | C1 | 1.4021 | X20Cr13 | S42000 | 420 |
Werkstoff 1.4021 Stainless Steel Washers Chemical Requirements
| Stainless steel grade | Chemical composition a (cast analysis, mass fractionin %) b | Other elements and notes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | N | |||
| Martensitic | C1 | 0,09 to 0,15 | 1,00 | 1,00 | 0,050 | 0,030 | 11,5 to 14,0 | - | 1,00 | - | - | i |
Werkstoff 1.4021 Stainless Steel Washers Mechanical Requirements
Mechanical properties (Martensitic and Ferritic Steel)
| Stainless steel grade | Property class | Tensile strength a Rmr min. MPa | Stress at 0,2 % non-proportional elongation b Rpr mm. MPa | Elongation after fracture A min. mm | Hardness min. to max. | |||
|---|---|---|---|---|---|---|---|---|
| HV | HRC | HBW | ||||||
| Martensitic | C1 | 50 | 500 | 250 | 0,2d | 155 to 220 | - | 147 to 209 |
| 70 | 700 | 410 | 0,2d | 220 to 330 | 20 to 34 | 209 to 314 | ||
| 110 c | 1100 | 820 | 0,2d | 350 to 440 | 36 to 45 | - | ||
Applicability of tests for fasteners with full loadability
| Stainless steel grade | Property and related test method | |||||
|---|---|---|---|---|---|---|
| Minimum tensile strength Rmr | Stress at 0,2 % non-proportional elongation Rpf | Elongation after fracture A | Minimum breaking torque M B | Hardness | ||
| Tensile test 9.1 | Wedge tensile test 9.4 | Tensile test 9.1 | Tensile test 9.1 | Torsional test 9.5 | Hardness test 9.6 | |
| C1 | d ≥ 3 mm I ≥ 2,Sd b ≥ 2d | d ≥ 3 mm I ≥ 2,Sd b ≥ 2d | d ≥ 3 mm I ≥ 2,Sd b ≥ 2d | d ≥ 3 mm I ≥ 2,Sd b ≥ 2d | No value available | Applicable |
Applicability of tests for fasteners with reduced loadability
| Stainless steel grade | Property and related test method | ||||
|---|---|---|---|---|---|
| Minimum tensile strength Rmr | Stress at 0,2 % non-proportional elongation Rpf | Elongation after fracture A | Minimum tensile load Fmr | Hardness | |
| Tensile test 9.1, 9.3 | Tensile test 9.1 | Tensile test 9.1 | Tensile test 9.2 | Hardness test 9.6 | |
| C1 C3 C4 | d ≥ 3 mm for all lengths, when b ≥ 3d a | d ≥ 3 mm for all lengths | Applicable | ||