Ọkwa 316 bụ ọkwa molybdenum na-ebu ọkọlọtọ, nke abụọ dị mkpa na 304 n'etiti igwe anaghị agba nchara austenitic.The molybdenum na-enye 316 mma n'ozuzu corrosion eguzogide Njirimara karịa ọkwa 304, karịsịa elu iguzogide pitting na crevice corrosion na chloride gburugburu.
Igwe anaghị agba nchara – Ọkwa 316L – Njirimara, Nrụpụta na Ngwa (UNS S31603)
Ọkwa 316L, ụdị carbon dị ala nke 316 ma bụrụkwa nke a na-apụghị ịgbagha agbagha (oke oke carbide ọdịda ọka).N'ihi ya, a na-eji ya eme ihe n'ụdị dị arọ nke welded (ihe karịrị 6mm).Ọ nweghị ọdịiche ọnụahịa bara uru n'etiti igwe anaghị agba nchara 316 na 316L.
Ọdịdị austenitic na-enyekwa akara ule ndị a ike siri ike, ọbụna ruo na okpomọkụ nke cryogenic.
E jiri ya tụnyere chromium-nickel austenitic igwe anaghị agba nchara, igwe anaghị agba nchara 316L na-enye mgbawa dị elu, nrụgide na mgbawa na ike ike na okpomọkụ dị elu.
Njirimara igodo
Igwe anaghị agba nchara – Ọkwa 316L – Njirimara, Nrụpụta na Ngwa (UNS S31603)
A kọwapụtara akụrụngwa ndị a maka ngwaahịa akpọrela ewepụghị (efere, mpempe akwụkwọ na eriri igwe) na ASTM A240/A240M.Njirimara ndị yiri ya mana ọ bụchaghị otu ka akọwapụtara maka ngwaahịa ndị ọzọ dị ka ọkpọkọ na mmanya na nkọwapụta nke ha.
Ihe mejupụtara
Igwe anaghị agba nchara – Ọkwa 316L – Njirimara, Nrụpụta na Ngwa (UNS S31603)
Tebụl 1.Ihe mejupụtara ya maka igwe anaghị agba nchara 316L.
| Ọkwa | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Oke | 0.03 | 2.0 | 0.75 | 0,045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Ihe eji arụ ọrụ
Tebụl 2.Mechanical Njirimara nke 316L igwe anaghị agba nchara.
| Ọkwa | Tensile Str (MPa) min | Mpụta Str 0.2% Ihe akaebe (MPa) min | Elong (% na 50 mm) min | Isi ike | |
|---|---|---|---|---|---|
| Rockwell B (HR B) kacha | Brinell (HB) kacha | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Njirimara anụ ahụ
Tebụl 3.Njirimara anụ ahụ ahụkarị maka igwe anaghị agba nchara 316.
| Ọkwa | Njupụta (kg/m3) | Modulus Elastic (GPa) | Ọnụ ego nke Mgbasa ọkụ (µm/m/°C) | Nrụpụta ọkụ (W/mK) | Okpomọkụ akọwapụtara 0-100 Celsius (J/kg.K) | Elec Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100 Celsius C | 0-315 Celsius C | 0-538 Celsius | Na 100 Celsius C | Na 500 Celsius C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Ntụle nkọwa ọkwa ọkwa
Tebụl 4.Nkọwa ọkwa ọkwa maka igwe anaghị agba nchara 316L.
| Ọkwa | UNS Mba | Ochie British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Aha | ||||
| 316L | S31603 | 316S11 | - | 1.4404 | X2CrNiMo17-12-2 | 2348 | Sus 316L |
Oge nzipu: Mar-20-2023