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Pump casing

Specializing in stainless steel, carbon steel, alloy steel and other precision casting research and production of Hong Kong-funded wholly-owned enterprises. Has developed into a large-scale precision casting processing-oriented enterprises, with strong technical force, reliable equipment security and professional management concept. Starting from the strict import of raw materials, rigorous production process, strict quality control, strict after-sales service, won the different needs of all parties customers.

Classification:

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Product Description

Comply with relevant standards:

Ductile iron parts GB/T 1348-2009

JB/T5938-1991 standard

 

Technical parameters:

Grade

Tensile strength σ bN/

mm2(kgf/nmm2)

Yield strength σ0.2N/

mm2(kgf/nmm2)

Elongation σ (%)
For reference
Minimum value
Brinell hardness HB
Main metallographic structure
QT400-18
400 (40. 80)
250 (25. 50)
18
130-180
Ferrite
QT400-15
400 (40. 80)
250 (25. 50)
15
130-180
Ferrite
QT400-10
450 (45. 90)
310 (31. 60)
10
160-210
Ferrite
QT500-7
500 (51. 00)
310 (32. 65)
7
170-250
Ferrite + spheroidal graphite
QT600-3
600 (61. 20)
370 (37. 75)
3
190-270
Ferrite + spheroidal graphite
QT700-2
700 (71. 40)
420 (42. 85)
2
225-305
Spheroidal graphite
QT800-2
800 (81. 60)
480 (49. 98)
2
124-335
Exposure body or tempering structure
QT900-2
900 (91. 80)
600 (61. 20)
2
280-360
Bainite or tempered martensite

 

 

Founded in 2000, the company is a Hong Kong-owned enterprise specializing in the research and production of precision casting of stainless steel, carbon steel and alloy steel. With an investment of more than 5,000 million Hong Kong dollars, it covers an area of more than 27,000 square meters. It has a full-fledged production department of product development, mold design, precision casting, machining, heat treatment, polishing, stainless steel sink, stainless steel faucet, etc. People, technical advantages, strong, intermediate and technical personnel and management personnel 48 people.

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