C37000 (Free-Cutting Muntz Metal) Last Update: Dec 31, 2003
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) m4 p3 l; X. }! A r3 I(%max., unless shown as range or min.)CuFePbZnMin./Max.59.0-62.0.15.8-1.5Rem.Nominal60.0-1.039.0Note: Cu + Sum of Named Elements, 99.6% min.
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Applicable SpecificationsProductSpecificationTubeASTM B135
) X9 o4 r2 w' n; `4 o3 cMILITARY MIL-T-46072 {8 o1 S1 C' K
Common Fabrication ProcessesMachining + t; C n- f' _# X7 X: K/ F
Fabrication PropertiesJoining TechniqueSuitabilitySolderingExcellentBrazingGoodOxyacetylene WeldingNot Recommended Gas Shielded Arc WeldingNot Recommended Coated Metal Arc WeldingNot Recommended Spot WeldNot Recommended Seam WeldNot Recommended Butt WeldFairCapacity for Being Cold WorkedFairCapacity for Being Hot FormedExcellentMachinability Rating70
" L" T% n( R9 ]6 r# ?" tMechanical Properties (measured at room temperature, 68 F (20 C)TemperSection
2 L% o# e1 K# J( J4 v5 x3 B/ rSizeCold
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& E* ]) u6 P" i( G6 k4 M) l* AMinTempTensile
3 b6 G" ~3 q/ B1 ~( XStrengthYield
9 _# [. d: X! P, |! h% FStrength
0 H% j! a4 x" ~- n0 x4 l1 s(0.5% ext.! u3 N& B, U' e2 m/ _
under load)Yield
, o* d; E2 w' z' f$ t' }Strength
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6 f6 k/ W! B0 c* Z# voffset)Yield0 E- D5 P/ m& x! ~# n
Strength R* [; Z- t& h! ~9 n
(0.05%
/ ]/ ?" h s/ X4 i8 n, aoffset)ElRockwell
8 `4 V# J" S8 t: Y' V6 ?HardnessVickens
T* J i4 J$ Z" C! m/ o, yHard.Brinell
% i6 x: O$ n+ F( K. eHard.Shear
' Q: Z5 N1 p9 @7 d) h7 y9 ?StrengthFatigue
: Y B$ c4 G3 I: k6 B; m wStrength*Izod
; J& ~! t6 o4 e* K) {( n. ?Impact
# Y. B$ ^% g4 O- W/ `" SStrength
5 S+ ~! n3 w( e) u3 {/ X' n Gin.%
; O: W2 v( ~( `: V$ @Fksiksiksiksi%BCF30T5005003000ksiksift-lb
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CMPaMPaMPaMPa4 g/ g& R n- S _4 V# j
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6 q/ c$ Q- F bMPaMPaJTubeH040.035TYP688060--685--74-----0.0# l# N' W/ ?; N9 w% r
0.0
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$ R5 u: S1 E# c4 l20552414--685--74-----0.0H800.025TYP687045--1075--67-----0.0
2 G3 P3 x8 m C0.0( C+ T4 ~! q* r i! G0 j! h4 B; H$ W
: y& ^8 L+ k9 z# `1 ^20483310--1075--67-----0.0O500.00TYP685420--40--8043-----0.0
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- V% B1 ?; X4 o1 L6 M20372138--40--8043-----0.0*Fatigue Strength: 100 x 10 6cycles,2 k- {7 x* S; S* k% T' q9 o4 p
unless indicated as [N]X 106.
2 O6 z0 ~. R# S, Z1 ]% r( `1 mPhysical PropertiesUS CustomaryMetricMelting Point - Liquidus1650 F899 CMelting Point - Solidus1630 F888 CDensity0.304 lb/in3 at 68 F8.41 gm/cm3 @ 20 CSpecific Gravity8.418.41Electrical Resistivity38.4 ohms-cmil/ft @ 68 F6.38 microhm-cm @ 20 CElectrical Conductivity27 %IACS @ 68 F0.158 MegaSiemens/cm @ 20 CThermal Conductivity69.0 Btu · ft/(hr · ft2·oF)at 68F119.4 W/m · oK at 20 CCoefficient of Thermal Expansion11.6 ·10-6 per oF (68-572 F)20.9 ·10-6 per oC (20-300 C)Specific Heat Capacity0.09 Btu/lb/oF at 68 F377.1 J/kg · oK at 293 KModulas of Elasticity in Tension15000 ksi103400 MPaModulus of Rigidity5600 ksi38610 MPa | 
发表于 2007-5-15 21:22:49