Red Rawl Plugs
US $0.061-$0.068
3 piece Anchor Wedge for Railway Construction Material Prestressed Banana Anchorage
- Category: >>>
- Supplier: Daxin Prestressing Technique Co. Ltd.
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Product Overview
Description
Wedge :
Raw material grade is 20CrMnTi , there are two types : 2 and 3 parts . widely suit for 12.70 and 15.24mm anchorage.
it can produced by your drawing or samples , and offer samples for your testing freely.
Sliped ?
Main reasons you can find :
1)Production technology :
Hardness too high, brittle;
carburization controlled by heat treatment to make the core soft and surface hard , make it tough hardness.
2)Raw material: raw material quality ,internal organizational structure and chemical .
3)The angle suit for anchor head.
4)There are no rust and Debris （sand…) in the anchor head hole’s inside and teeth of wedge .at the same time the PC Strand no
rust.
Main reasons you can find :
1)Production technology :
Hardness too high, brittle;
carburization controlled by heat treatment to make the core soft and surface hard , make it tough hardness.
2)Raw material: raw material quality ,internal organizational structure and chemical .
3)The angle suit for anchor head.
4)There are no rust and Debris （sand…) in the anchor head hole’s inside and teeth of wedge .at the same time the PC Strand no
rust.
Barrel :
Size: 12.70mm, 15.24mm,15.70mm , 17.80mm ,21.60mm
Raw material grade is 40Cr, which is better than 45# .
Heat treatment to control hardness, not extrusion.
it can produced by your drawing or samples also , carve your brand letters .
Barrel raw material | 40Cr |
Wedge raw material | 20CrMnTi ; 20CrMn5 |
Hardness of anchor head (HRB) | 25-35 |
Wedge surface hardness | HRA79-84 |
Wedge core hardness | HR38-46 |
Carburization Layer Depth | 0.35-0.6mm ; 0.6-0.8mm |
Anchor Efficiency Coefficient | >0.95 |
With-draw of wedge after stressing | <6mm |
Tempered | 1-4 |
Retained Austenite | 1-4 |
Inspection of Appearance | Tooth shape without defect ,bad teeth ,Variant |
Standard | GB/T2301-2004 |
1) Production Days : 7-25 days . depend on normal type or customized type .
2) Quality guarantee: return your payment if any quality problem happen.
3) After sales service: whenever you need , our engineer will give you professional support by facetime or viedos.
4) For machines: there is instructions in english , operating video supporting your any doubt.
3) After sales service: whenever you need , our engineer will give you professional support by facetime or viedos.
4) For machines: there is instructions in english , operating video supporting your any doubt.
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