Qib 420 stainless hlau yog high carbon steel
Apr 13, 2026
Tso lus
Cov khoom tseem ceeb
Cov khoom nram qab no tau hais rau cov khoom lag luam hauv ASTM A276. Cov kev qhia tshwj xeeb yuav tsis tas yuav zoo sib xws rau lwm cov ntaub ntawv, xws li forgings thiab phaj.
Kev sib xyaw
Qhov sib xyaw ua ke ntawm qib 420 stainless hlau tau muab rau hauv cov lus hauv qab no:
Table 1 - Kev sib xyaw ua ke ntawm qib 420 stainless hlau
|
Qib |
C |
Mn |
Si |
P |
S |
Cr |
|
|
420 |
min. max. |
0.15 - |
- 1 |
- 1 |
- 0.040 |
- 0.03 |
12.0 14.0 |
Mechanical Properties
Cov yam ntxwv tseem ceeb ntawm qib 420 stainless hlau yog tabulated hauv qab no:
Rooj 2 - Mechanical zog ntawm qib 420 stainless hlau
|
Tempering kub (degree) |
Tensile zog (MPa) |
Yield zog |
Elongation (% hauv 50mm) |
Hardness Brinell (HB) |
Impact Charpy V (J) |
|
Annealed * |
655 |
345 |
25 |
241 max |
- |
|
204 |
1600 |
1360 |
12 |
444 |
20 |
|
316 |
1580 |
1365 |
14 |
444 |
19 |
|
427 |
1620 |
1420 |
10 |
461 |
# |
|
538 |
1305 |
1095 |
15 |
375 |
# |
|
593 |
1035 |
810 |
18 |
302 |
22 |
|
650 |
895 |
680 |
20 |
262 |
42 |
|
* Annealed tensile zog yog ib yam rau mob A ntawm ASTM A276; annealed hardness yog qhov siab tshaj plaws. |
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Lub cev muaj zog
Cov lus hauv qab no muab cov khoom siv lub cev ntawm qib 420 stainless hlau hauv lawv lub xeev annealed:
Table 3 - Lub cev muaj zog ntawm annealed qib 420 stainless hlau
|
Qib |
Qhov ceev (kg / m3) |
Elastic Modulus (GPa) |
Lub ntsiab lus Coefficient ntawm Thermal Expansion |
Thermal conductivity |
Tshwj xeeb kub 0-100degreeC |
Hluav taws xob tiv thaiv (nΩ) |
|||
|
0-100 degree |
0-315 degree |
0-538 ° C |
ntawm 100 degree |
ntawm 500 degree |
|||||
|
420 |
7800 |
200 |
10.3 |
10.8 |
11.7 |
24.9 |
- |
460 |
550 |
Xa kev nug