301,304,304l, 321,316,316l, 309s, acciaio inossidabile 310
- grado:
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Specifiche, Chemical & prestazioni meccaniche
Common types of 200 series stainless steel sheet
|
grado |
Domanda |
|
301 |
High strength grade, with resistance to atmosphere corrosion. Its bright, attractive surface make it an excellent choice for decorative structural applications. |
|
304 |
Used for a wide variety of home and commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Common applications include Sanitary, Cryogenic, and Pressure-containing applications, Home and commercial appliances, Tank structural parts and processing equipment |
|
309 |
Used for elevated temperature applications, including Furnace parts – conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, baskets and trays to hold small parts; Containers for hot concentrated acids, ammonia and sulfur dioxide; contact with hot acetic and citric acid. |
|
310 / S |
Corrosion resistant, including furnace parts such as conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, and baskets and trays to hold small parts. Chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide and in the food processing industry, they are used in contact with hot acetic and citric acid |
|
316 |
Used for elevated temperature applications, including handling hot organic and fatty acids, boat rails and hardware and facades of buildings near the ocean |
|
321 |
A stabilized stainless steel which offers excellent resistance to corrosion following exposure to temperature between 800-1500 Deg F. Applications include Boiler and Pressure Vessels |
Composizione chimica
|
grado |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
Ni |
Altro |
|
301 |
≤0.15 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
- |
6.0 |
- |
|
304 |
≤0.07 |
≤1.00 |
≤2.00 |
0.035 |
0.03 |
17-19 |
- |
8.0 |
- |
|
304L |
≤0.075 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
8.0 |
|
|
309S |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
22-24 |
- |
12.0 |
- |
|
310 |
≤0.08 |
≤1.5 |
≤2.00 |
0.045 |
0.03 |
24-26 |
- |
19.0 |
- |
|
316 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18.5 |
2 |
10.0 |
- |
|
316L |
≤0.03 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
2 |
10.0 |
- |
|
321 |
≤0.12 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
9.0 |
Ti≥5 × C |
Proprietà meccaniche
|
grado |
YS (Mpa) ≥ |
TS (Mpa) ≥ |
El (%) ≥ |
Durezza (HV) ≤ |
|
301 |
200 |
520 |
40 |
180 |
|
304 |
200 |
520 |
50 |
165-175 |
|
304L |
175 |
480 |
50 |
180 |
|
309S |
200 |
520 |
40 |
180 |
|
310 |
200 |
520 |
40 |
180 |
|
316 |
200 |
520 |
50 |
180 |
|
316L |
200 |
480 |
50 |
180 |
|
321 |
200 |
520 |
40 |
180 |
Specificazione
|
grado |
301,304,304l,321,316,316l,309s,310 |
|
Spessore |
Cold rolled:0.2-3.0mm Hot rolled:3.0-60mm |
|
Lunghezza |
Come requisito del cliente |
|
Finitura di superficie |
2B,2D,BA,NO4, Hair Line,6K, etc |
|
Manufacture Technology |
Cold rolled/ Hot rolled |
|
Materiale Pendente |
DDQ, High Copper, Half Copper or Low Copper Material |
|
Standard |
JIS, ASTM, AISI, GB, DIN, EN, etc we usually use ASTM and GB Standard |
Trattamento della superficie
|
Nome |
caratteristica |
Specificazione |
|
|
2B |
Luminoso |
Dopo la laminazione a freddo, mediante trattamento termico, decapaggio o altri trattamenti equivalenti e infine mediante laminazione a freddo per ottenere la lucentezza appropriata. |
|
|
BA |
Lucidatura, specchio |
Elaborato con trattamento termico luminoso dopo laminazione a freddo |
|
|
Hairline |
Linea come i capelli |
Macinazione del grano per capelli con la dimensione appropriata delle particelle di materiale |
|
|
6K / 8K |
Specchio, più luminoso di BA |
Superficie molto lucida, levigante e lucidante grazie alla grana 1000 # del nastro abrasivo |
|
Domanda
Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields. Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields.
