Precision investment castings
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:
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
|
Product inquiry
Huizhou Winnington Casting Co., Ltd.
Tel: +86-752-5751628
Fax: 86-752-5751625
E-mail: chw@winningtoncasting.com
Address: Xikeng Village, Huihuan Street, Zhongkai High-tech Zone, Huizhou City
Website: http://www.winningtoncasting.com
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