ML19326C468
| ML19326C468 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 04/04/1978 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19326C456 | List: |
| References | |
| PROC-780404, NUDOCS 8004230592 | |
| Download: ML19326C468 (4) | |
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ATTACHMENT NO. 2 PROCEDURE FOR TESTING OP 100-INCH GAGE LENGTH SPECIMENS i
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3C OF 100-I :C1! C,'.CE 1.!;tlCTil ulng SPEC 110;tl5 1,0 PROCF. Dung FOR TEST 1:
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100-inch gage Icocth specimens shd11 The procedure f or testing nominal
. be as follows:
101 inches long, insert two Wire (1) Cut cach wire test specimen (Figurc D-2), buttonhead cach cnd of the Test Stressing Washcrs test specimen.
identification information from tag to data (2) Transf er specimen sheet.
inside of buttonhead to (3) lleasure and record gage icngth f rom inside of buttonhead and wire diameter.
in Wire Test Frame (Figure D-1)'and check for Insert specimen (4) proper seating of stressing washers in pulling adaptors.
the buttonheads in (5) Preload to 50 to 70 ksi in the wire to set the stressing washer.
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Release preload and stress wire to 29 ksi (0.1% clongation)...
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(6) 100" dial gage to measure 0.9..' clongation (0.9" in (7) Preset gage. Ic.ngth ).
Obtain pres'sure reading ut.cn dial gage in'dicates a ciovement of (8) 0.9% elongation (pressure at 1% clongation).
1% (approximately (9). Remove. dial gage and record rule reading at 1") clongation.
Pull'to failure recording maximum c-longation and gage pressure (10) reading.
Remove spc imen and record type and location of break.
(11)
Calculate ultimate stress.
Determine force needed to br'cak wirc.
(12) from pressure reading at 1% clongation.
-(13) Calculate yield stress f ailure based on clongation under load at (14) Calculate percent actual gage length.
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THREAJED ROD DIALGAGE N
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