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Quick Details

Place of Origin: Shanxi, China              Brand Name: QINGHUI

Application: marine machinery; engineering machinery    Material: Steel

Class certificate: BV,NK,KR,GL etc.          Dimension test: available

Chemical composition test: available           Magnetic powder inspection: available

Ultrasonic test: available                     Mechanical property test:   available

Packaging & Delivery

Specifications

low carbon or alloy steel; 
high quality and competitive price; 
rough or finished machining

Material:ZG 200-400,ZG230-450,ZG270-500,ZG 310-570 and so on

Process:

Place a pattern in sand to create a mold; 

Incorporate a gating system; 

Remove the pattern; Fill the mold cavity with molten metal;

Allow the metal to cool;

Break away the sand mold and remove the casting.

Heat treatment.

Chemical composition test, UT/MT test,mechanical property test and so on.

Surface treatment and other requirement from customer.

Standard&certificate: ASTM,BS,NF,DIN,JIS and so on;

 ISO 9001:2000;BV,GL,NK,RINA,KR,ABS and so on.

Weight: from 500kg to 150 tons per piece

Quality warranty and testing equipment:

Magnetic powder inspection

Ultrasonic test

Dimension test

 Leeb hardness testing equipment

Mechanical property test equipment

Direct-reading spectrometerer horn /fore/after boss casting /upper/lower rudder bearing /stern post /bell mouth /rudder blade

Features of our products:

Durable

Excellent tensile strength

Accurate level of tolerance

Good dimensional accuracy

Super surface finishing