{* ~% F# r1 h: M6 _+ a; iC 0.17 - 0.23 5 m4 c% B J2 f: P# U
Fe 99.08 - 99.53 " K' K8 T( A: I2 T( ~
Mn 0.3 - 0.6 / j' |2 E+ O2 G( PP Max 0.04 3 q3 J6 R: m/ ES Max 0.05 , V2 S( B; H7 N5 a- o 5 P. M4 c8 P! X) j . @3 h7 _- G% T2 Q) KMaterial Notes: * r! p- g+ o2 A e
Applications include parts in the case hardened condition where core strength is not critical, and for shafts of larger cross section that are not highly stressed. Other uses include lightly stressed gears with hard wearing surfaces and case hardened pins and chains.# v( G. _) B: I ~7 u
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New suppliers have been added for this product during 2007! The list of suppliers can be seen by clicking the truck icon to the upper right or the text link just above. 8 K+ s7 g r! D5 [* ]$ l: ^7 T- H* R- A% ]8 R/ w' K
Physical Properties Metric English Comments " G# A5 [* C% O' P' m, L- Y
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Density 7.87 g/cc 0.284 lb/in? Typical for steel ' b9 w% H* j9 u- K4 d( ]$ ? $ | k3 s4 q$ T8 o) U3 |& H) |Mechanical Properties , _' o; J- M2 |5 |% S
' S B3 m N/ H* J) _. H; }3 P3 ] 1 }7 V% [# D6 _1 n1 g+ i6 M6 M3 a, ^% IHardness, Brinell 143 143 7 g; S5 M" L$ {: ^+ W0 ]Hardness, Knoop 163 163 Converted from Brinell hardness. - d% e% q6 x. n8 ^, M6 }* u5 G; THardness, Rockwell B 78 78 Converted from Brinell hardness. V# q* G: \" A& qHardness, Vickers 149 149 Converted from Brinell hardness. 9 y; D7 g5 z, g1 A/ l8 oTensile Strength, Ultimate 450 MPa 65300 psi % I4 u* B! g) x8 d& ?; `
Tensile Strength, Yield 330 MPa 47900 psi ( `3 { a6 M) U- v
Elongation at Break 36 % 36 % in 50 mm : H: K- n9 N4 P- g- p" j
Reduction of Area 59 % 59 % ; V; [7 m! `% r8 LModulus of Elasticity 200 GPa 29000 ksi Typical for steel & @5 C/ ]1 O9 o
Bulk Modulus 140 GPa 20300 ksi Typical for steel ) l/ V) w( K( \
Poisson's Ratio 0.29 0.29 ; g3 O; C8 z% T5 [* q& _
Charpy Impact 16.9 J 12.5 ft-lb at -30?C (-22?F), 18 J at -18?C (-0.4?F), 20 J at -3?C (26.6?F), 24 J at 10?C (50?F), 41J at 38?C (100?F), 54 J at 65?C (150?F), 61 J at 95?C (200?F), 68 J at 150?C (300?F) 3 ]9 T+ z5 f+ ^6 l4 t1 `: G J) ~: v
Shear Modulus 80 GPa 11600 ksi Typical for steel ; E6 m8 d: ^. |) Z Y G6 h: | t% W
Electrical Properties 0 Q( R- O' P; o
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Electrical Resistivity 1.59e-005 ohm-cm 1.59e-005 ohm-cm condition unknown; 0?C (32?F) 4 [* Y! R( H4 D0 B& @3 TElectrical Resistivity at Elevated Temperature 2.19e-005 ohm-cm 2.19e-005 ohm-cm condition unknown; 100?C (212?F) 5 z; B; o3 |2 V! V6 \" d! Y% o+ sElectrical Resistivity at Elevated Temperature 2.92e-005 ohm-cm 2.92e-005 ohm-cm condition unknown; 200?C (390?F) 4 K' p; ~' Y) `8 {
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Thermal Properties 0 ~1 y8 S. \8 I: A2 U5 U # \0 w7 Z8 X2 O1 s) X ' I/ ?3 a) a A. y
CTE, linear 20?C 11.7 ?m/m-?C 6.5 ?in/in-?F 20-100?C (68-212?F) 2 o4 `( B; Y* |CTE, linear 20?C 12.1 ?m/m-?C 6.72 ?in/in-?F 20-200?C (68-390?F) & A+ j" O$ c8 ]# j2 l
CTE, linear 250?C 12.8 ?m/m-?C 7.11 ?in/in-?F 20-300?C (68-570?F) + G& \ {3 d& b8 f3 k4 TCTE, linear 250?C 13.3 ?m/m-?C 7.39 ?in/in-?F 20-400?C (68-750?F) 7 Q1 y1 c+ u8 O' l; t9 U
CTE, linear 500?C 13.9 ?m/m-?C 7.72 ?in/in-?F 20-500?C (68-930?F) $ h2 Z0 m/ [" L# i" H
CTE, linear 500?C 14.4 ?m/m-?C 8 ?in/in-?F 20-600?C (68-1110?F) / i" \- U; d+ L! Q' Q2 v, c
CTE, linear 500?C 14.8 ?m/m-?C 8.22 ?in/in-?F 20-700?C (68-1290?F) 2 q6 ]' X/ B8 K) f& i6 q& ]! d; X
Specific Heat Capacity 0.486 J/g-?C 0.116 BTU/lb-?F condition unknown; 50-100?C (122-212?F) * ~# s2 b a. A" z& s* r- }4 M0 s
Specific Heat Capacity at Elevated Temperature 0.519 J/g-?C 0.124 BTU/lb-?F condition unknown; 150-200?C (302-390?F) ; K8 ?+ O4 R& C f) }' c' t4 u7 ~
Specific Heat Capacity at Elevated Temperature 0.599 J/g-?C 0.143 BTU/lb-?F condition unknown; 350-400?C (662-752?F) . X, w8 R# U n# u/ k/ h
Thermal Conductivity 51.9 W/m-K 360 BTU-in/hr-ft?-?F Typical steel