Air Stepper Locking Fasteners

Air Stepper Locking Fasteners

Air Stepper Locking Fasteners Quick Details Place of Origin:Guangdong, China (Mainland), Guangdong, China (Mainland) Brand Name:Pingood, Pingood Model Number:PG18 Standard:GB Material:Carbon Steel Surface treatment:Zinc Plated Polished Certificate:ISO9001:2015 Color:Zinc White Size:Customized...

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Product Details

Air Stepper Locking Fasteners

Quick Details

Place of Origin:Guangdong, China (Mainland), Guangdong, China (Mainland)

Brand Name:Pingood, Pingood

Model Number:PG18

Standard:GB

Material:Carbon Steel

Surface treatment:Zinc Plated Polished

Certificate:ISO9001:2015

Color:Zinc White

Size:Customized

Price Terms:FOB,CIF,CRF,EXW and others

Delivery Time:Within 20 workdays after receive payment

Model:Pg18

 

Packaging & Delivery

Packaging Details

opp bag/carton

Delivery Time

7 days

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Production Process

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Main Markets

Total Revenue(%)

Southeast Asia

20%

South Asia

20%

Mid East

20%

Eastern Europe

18%

Northern Europe

10%

North America

10%

Africa

2%

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The surface of the steel parts is blackened, and there are also known as blackening and blackening treatments. The common methods used today are the conventional alkaline warming and blackening and the later normal temperature blackening. However, the normal temperature blackening process is not very effective for low carbon steels.

 A3 steel with alkaline black better. Alkaline blackening was subdivided and there was a difference between blackening and blackening. The main components of the blackening liquor are sodium hydroxide and sodium nitrite. The degree of latitude needed for darkening is relatively large. A good surface can be obtained between 135 degrees Celsius and 155 degrees Celsius, but it takes only a little time. In actual operation, it is necessary to pay attention to the quality of rust removal and degreasing prior to the blackening of the workpiece, and to passivation and immersion oil after blackening. The quality of blackening often changes due to these processes. Metal "blue" liquid

 

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