Depth of Decarburization - s€₩tud bolt inspection in✔₹© Anyang Longteng Heat Tr®πγ£eatment Material Co.,Ltd
[ Time：2021-08-25 Click：630 ]
（1）Decarburization of anc÷♠hor bolts shall be performed by Meta₽♥llographic method accordin>"g to GB/T3098.1 regulations. ♠<
（2）Decarburization of threaded δ≤ parts shall be perform₹α≤ed by metallographic metho♣★↕d according to GB/T224-2008 ε>≥"Determination of depth of ☆₽Ω✔decarburization of steels". <≥↑;
（3）Specimen shall be taken from lon≈•gitudinal cross-sectiβ₩±on of finished anchor bolt produ↑λ↔®cts.
Test results shall in accordianc≥★e with below Table
&nb$¥±↑sp; £• &nαγbsp; Decarburization measurement of±"γ anchor bolts
| Decarburization | Grade | |
| 8.8 | 10.9 | |
| Min Height of partialε♦-decarburization on threads&©nbsp; E | 1/2H1 | 2/3H1 |
| Max Depth of complete decarburization∑'♦ on thread G /mm | 0.015 | |
| Max Height of partia©☆αl-decarburization on roots mm | 0.050 | |
| Depth of complete decarburization on ¶£γroots mm | 0.00 | |
H1 refers to max pitch hi±≥ ght
Our manufacture have the most advan₽×π↓ced facility of heat treatment, ♥γ★®with experienced experts and service€♥ teams.
Main products : §₩ anchor cage, anchor bolts, temp★∞late, anchor plate, connect plate, gask¶ ↓et, threaded bars, screwed ba®∞rs for Wind turbine wind↔≠★ tower foundation, stud♦≤₽s, nuts, washers, rock bolts,λ heat treating round bars, ÷>heat treated stirrup, seamless tubes ε≤.
