Little Falls Alloys
171-191 Caldwell Avenue Paterson, NJ 07501
(973)-278-1666 fax (973)-278-7345
Toll Free (888) LFA-WIRE
info@lfa-wire.com
Little Falls Alloys
171-191 Caldwell Avenue Paterson, NJ
07501
(973)-278-1666
fax (973)-278-7345
Toll Free (888) LFA-WIRE
info@lfa-wire.com
PHOSPHOR BRONZE, C50700 Grade E
COMPOSITION
PHOSPHOR BRONZE C50700 GRADE EELEMENT PERCENT NOMINAL MINIMUM MAXIMUM PERCENT C50700 Tin 1.75 1.50 2.0 Phosphorus - .03 .35 Iron - - .10 Lead - - .05 Zinc - - .30 Copper & Tin & Phosphorus - 99.5 -
PHYSICAL PROPERTIES
PHOSPHOR BRONZE C50700 GRADE EENGLISH UNITS METRIC UNITS Melting Range 1900-1970°F 1035-1075°C Density .321 lb/cu in. @ 68°F 8.89 gm/cm@ 20°C Specific Gravity 8.89 8.89 Coefficient of Thermal Expansion .0000099 per °F (68-392°F) .0000178 per °C (20-200°C) Thermal Conductivity 120 BTU/sq ft/ft/hr/°F @ 68°F .49 cal/sq cm/cm/sec/°C @ 20°C Electrical Resistivity (Annealed) 21.7 Ohms circ mil per ft @ 68°F 3.59 microhm - cm @ 20°C Electrical Conductivity (Annealed) 48% Copper IACS @ 68°F .278 megohm cm @ 20°C Specific Heat .09 BTU/lb/°F @ 68°F .09 cal/gm/°C @ 20°C Modulus of Elasticity (tension) 17,000 KSI 12,000 kg/sq mm Modulus of Rigidity (torsion) 6400 KSI 4500 kg/sq mm Annealing Temperature 900-1200°F 475-650°C Stress Relief Temperature (1hr.) 300-450°F 150-230°C
| For Rolled Flat Wire Other Than Square, C50700 Grade E | |||
| DESIGNATION | TENSILE STRENGTH | ||
| STD | FORMER | KSI* nominal |
MPa** nominal |
| O61 | Annealed (A) | 45 | 310 |
| HO2 | Half Hard (1/2H) | 60 | 414 |
| HO4 | Hard (H) | 70 | 482 |
| HO6 | Extra Hard (XH) | 82 | 565 |
| HO8 | Spring | 90 | 620 |
| H1O | Extra Spring | 95 | 655 |
*1KSI equals 1,000 PSI
** 1KSI equals 6.894,757 MPa (Megapascal)
PHOSPHOR BRONZE C50700 Grade E
ASTM Material
Specifications