Hebei Tuokai Safety Tools Co.,Ltd
High Quality Non Sparking Square Shovel
Product Description
Non sparking square shovel high quality non sparking tools square and point shovel wood handle passISO9001.
Product Feature
Non sparking square point shovel,square shovel material:albronze/berullium alloy handle:wood handle size:418*230mm, 340*180mm all products are passed ISO9001.
Product Specification/Models
non sparking tools can avoid rise sparking when tools strike,collide,rub,with a target in explosive atmosphere or combustible vapours and widely used in hazardous environment where combustible vapours liquids gas dusts exist. they are widely used in petroleum industry , power generation,railroad,and mining.
die forged processing
own factory
Composition:
Beryllium copper: GBEx ⅡC Be: 1.8% - 2.3% Ni: 0.2% - 0.5% Others: < 0.5% Cu: Rest Hardness: 35-40 HRC (HB283-365) Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2 |
Aluminum bronze: GBEx ⅡB Al: 10% - 12% Ni: 4% - 6% Fe+Mn: < 5.8% Cu: Rest Hardness: 20-30 HRC (HB229-291) Tensile Strength: 782 N/mm2 ~ 989 N/mm2 |
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What is a "non-sparking" tool?
"Non-sparking", "spark reduced", "spark-resistant" or "spark-proof" tools are names given to tools made of metals such as brass, bronze, Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze).
Commonly used hand tools are often manufactured of steel alloys. Preferred "non-sparking" metals have less tensile
strength than steels usually used to make tools.A lower tensile strength means the metal has less strength or resistance
to tearing apart when stretched under test conditions. It also means that these tools are softer, wear down more quickly
than ordinary steel tools, and have to be dressed more frequently.
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