WEDO Non Sparking Aluminium Bronze Double Open End Wrench Bam/FM/GS Certified

• Type: Double Open Ended Wrench
• Material: Aluminium Bronze
• Standard: German Type
• Brand: WEDO
• Surface Treatment: Polishing
• Size: Common
• Model NO.: AL146A
• Feature: Anti-Explosion
• Working Mode: Manual
• Folded: Unfolded
• Handle Color: Pure
• Application Age: Adult
• Certificate: Bam/FM/GS
• Transport Package: Plastic Bag/Box/Carton/Pallet
• Specification: 14*17-55*60mm
• Trademark: WEDO
• Origin: China
• HS Code: 8204110000
• Production Capacity: 50000PCS/Year

Product Description

ITEM CODE	SIZE
AL146A-1002	14*17mm
AL146A-1004	17*19mm
AL146A-1006	19*22mm
AL146A-1008	19*24mm
AL146A-1010	22*24mm
AL146A-1012	24*27mm
AL146A-1014	27*30mm
AL146A-1016	30*32mm
AL146A-1018	32*36mm
AL146A-1020	34*36mm
AL146A-1022	36*41mm
AL146A-1024	41*46mm
AL146A-1026	46*50mm
AL146A-1028	50*55mm
AL146A-1030	55*60mm

Above item no. is only for Aluminium Bronze material, Besides Aluminium Bronze, WEDO also supply in Beryllium Copper, below are differences of two material.

Aluminum Bronze Non-sparking Tools
1. Appropriate for operation with ethylene concentration below 7.8% 
2. Surface Color: Silver Yellow
3. Micro-magnetic
4. Hardness: 20-30 HRC  
5. Tensile Strength: 782N/mm²-989N/mm²
6. Elasticity Limit: 450N/mm²-550N/mm²
7. Extensibility: δ≥5%

Beryllium Copper Non-sparking Tools
1. Appropriate for operation with hydrogen concentration below 21%, 
2. Surface Color:Golden Yellow
3. Non-magnetic
4. Hardness: 30-40 HRC  
5. Tensile Strength: 1117N/mm²-1326N/mm²
6. Elasticity Limit: 840N/mm²-880N/mm²
7. Extensibility: δ≤1.0%

To ensure the explosion-proof performance, after the raw materials are melt with scientific ratio, QC personnel will take sample piece to do drop weight and friction test according to GB/T 10686-2013 standard. The test is conducted under the highest level ExIIC,  hydrogen concentration 21%. Only if the samples are tested qualified can the next step of production be carried out. 

The explosion-proof performance of WEDO non-sparking tools is guaranteed for lifetime.