| Physical Properties | Metric | English | Comments |
| Density | 7.87 g/cc9 a8 m& m# D$ b
| 0.284 lb/in³
+ ?- g$ u! w/ j | Typical For Steel |
| |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 163
. W8 E4 X6 {3 w( `' R4 a | 163
# c" P! M$ ^9 m2 Y6 ~ | (AISI 12L14) |
| Hardness, Knoop | 184 @. V; I1 {3 _. X
| 184& g' D) B3 @0 T$ a" K# T; y5 i- { _- h+ c
| Converted from Brinell hardness. |
| Hardness, Rockwell B | 845 `7 L- t5 `( N8 X2 K
| 84
$ _* H5 ?0 c7 H | Converted from Brinell hardness. |
| Hardness, Vickers | 170
9 @$ U6 u# ~1 o- L: X6 q k6 w2 o | 170
/ f) a- B) h2 X* Q* I8 o# `2 [ | Converted from Brinell hardness. |
| Tensile Strength, Ultimate | 540 MPa/ i6 c a7 u6 ^6 |/ `
| 78300 psi. B, e }0 x- ~1 w
| (AISI 12L14) |
| Tensile Strength, Yield | 415 MPa
" X7 s3 y: s' c7 b6 i) q4 F% c | 60200 psi
; H0 S. e( G0 Y5 u | (AISI 12L14) |
| Elongation at Break | 10.0 %
& x: p I- M4 B d( \8 C8 N | 10.0 %& T/ y2 f+ n& c! H
| (AISI 12L14) |
| Reduction of Area | 35.0 %
# A b7 L+ s9 d$ { | 35.0 %
W" \8 z. H' A1 u1 t2 p3 f' G | (AISI 12L14) |
| Modulus of Elasticity | 200 GPa
/ R& b# d& a! ~, h2 r, b | 29000 ksi. T* o' n: I1 y4 y( X0 z* p' o
| Typical For Steel |
| Bulk Modulus | 140 GPa, k" c6 z! f$ a6 i* v6 L
| 20300 ksi v" F: V. M( i% T
| Typical For Steel |
| Poissons Ratio | 0.290
; \ o% ]* T( \, x* Z0 L' Q | 0.290+ h! L2 p9 `$ d8 s1 T- q5 f% M
| Typical For Steel |
| Machinability | 160 %( K) } K: S6 c& u @
| 160 %
1 c5 |5 J$ Z) L U4 D- r3 E# A | (AISI 12L14) Based on 100% machinability for AISI 1212 steel. |
| Shear Modulus | 80.0 GPa
) @% Y9 T# V# ^" W | 11600 ksi
# A- o v. }) c9 n | Typical For Steel |
| |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.0000174 ohm-cm8 y+ r7 D8 I- o+ A( T, A- F, Q: X
| 0.0000174 ohm-cm+ M8 a3 Z9 x4 n* W0 u
| Typical For Steel |
| |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 11.5 µm/m-°C5 p) m$ s! Y/ Z& Z7 h# O
@Temperature 20.0 °C | 6.39 µin/in-°F0 @6 n' }; ~3 U3 S
@Temperature 68.0 °F | Typical For Steel |
| | 12.2 µm/m-°C
- L# V6 b8 d1 C0 T@Temperature 0.000 - 300 °C | 6.78 µin/in-°F
! u2 B" A2 H! m' m0 s@Temperature 32.0 - 572 °F | Typical For Steel |
| | 13.9 µm/m-°C
, \% D7 G! u8 |: d@Temperature 0.000 - 500 °C | 7.72 µin/in-°F
6 K3 d3 }/ c8 V3 o+ S/ t# f@Temperature 32.0 - 932 °F | Typical For Steel |
| | 14.7 µm/m-°C
# a# ~& s1 }( D@Temperature 1000 °C | 8.17 µin/in-°F6 V3 w- s* \" [& f! D. s7 k. l* t% A/ ]8 K
@Temperature 1830 °F | Typical For Steel |
| Specific Heat Capacity | 0.472 J/g-°C
7 G q. y% @' G7 ] | 0.113 BTU/lb-°F
' O& E+ S' z5 r/ X) E# L' D5 n | Typical For Steel |
| Thermal Conductivity | 51.9 W/m-K& q+ ?* s) }3 x% E O- J4 b
| 360 BTU-in/hr-ft²-°F, r' G, j0 d' ?3 h
| Typical For Steel |
| |
| Component Elements Properties | Metric | English | Comments |
| Carbon, C | <= 0.13 %6 }4 c' T8 w/ h) q% J
| <= 0.13 %
5 b) r. b# }# [3 x" | | |
| Iron, Fe | 98.07 - 98.84 %
8 L( \! f. C) p8 z6 h0 ^2 V' x. W | 98.07 - 98.84 %
, X- P$ @$ N& M% b8 v | |
| Lead, Pb | 0.15 - 0.35 %/ Y5 d: z5 u5 ^6 l% }/ G- |' e
| 0.15 - 0.35 %9 Z! B @3 v, w: g9 e+ q# d: D* @
| |
| Manganese, Mn | 0.70 - 1.0 %4 S; q" X; r: x3 c; {% @) J r8 I
| 0.70 - 1.0 %
8 ~2 `1 g" P- V- y% v6 _ | |
| Phosphorous, P | 0.070 - 0.12 %
$ u) }: w4 M' E3 ?# X- X | 0.070 - 0.12 %; _6 z( C6 ]" A. a
| |
| Sulfur, S | 0.240 - 0.330 %
$ M( p+ s$ I6 n | 0.240 - 0.330 %4 m& F( T; ^. W; \0 m5 a/ P
|
[复制链接]
发表于 2009-6-1 13:00:33
楼主