10mm Structure QT400-18 QT400-15 QT450-10 QT500-7 Shandong High Quality Supplier Gray Cast Iron Rod

Product Detail

standard:ISO2531/EN545/EN598application:pipeline
hardness:≤230HBPackage:tie up
Surface treatment:Anti-corrosion coatingbrand:Baotong
MOQ:1 tonKey words:Ductile iron pipe cap
pull:≥420MPaInner coating:Mortar cement lining
product name:EN545 /ISO2531/EN598 Ductile Iron Pipeport:Qingdao PortNingbo PortTianjin PortShanghai Port
Origin:SHXProcessing services:Welding, bending, stamping
shape:roundmodel:iron
Connector Type:T-shapedMaterial:Ductile Iron
color:BlackSupply capacity:100,000 tons per month
Pipe wall thickness:K9, C40, C30, C25, etc.External coating:Zinc + asphalt paint
type:castingYield strength (≥MPa):≥300Mpa
Packaging Details:If + wooden box, wrap plastic film + wooden pallet (fee required)Package preview:
Certification:ISO2531:1998payment terms:Western Union, D/P, D/A, T/T, MoneyGram
length:5.7m, 6m
Performance characteristics of cast iron continuous casting profiles:
1. The fine and uniform graphite and fine-grain structure can increase the tensile strength of cast iron by 1-2 grades compared with sand casting, increase the fatigue limit by 50%, and increase the elastic modulus by 30%, which can reduce the weight of machine parts.
2. The fine-grained and dense structure provides excellent oil pressure resistance and pressure resistance. Compared with traditional sand casting, the oil pressure resistance is increased by 4 times and there is no leakage.
3. Fine graphite constitutes a good oil storage structure and fine grains, which improves the surface finish of the processed parts, greatly improves the friction reduction and wear resistance under lubricated conditions, and prolongs the service life of friction parts. 4. Good heat fatigue resistance can greatly improve the cold and heat resistance.
5 Good dimensional accuracy and section uniformity can reduce machining allowance by 50%, tool wear by 70%, and save processing time by 50%.
6. Machined parts, electroplating, spray plating, hot-dip plating, and coating quality improvement.

This product is a customized product, please contact customer service for more information~
Product parameters
grey cast iron
GB national standard:
HT100, HT150, HT200, HT250, HT300, HT350
Japanese JIS
FC100, FC150, FC200, FC250, FC300, FC350
Korea KS
GC100, GC150, GC200, GC250, GC300, GC350
American AWS
No. 20, No. 25, No. 30, No. 35, No. 40, No. 45, No. 50, No. 55, No. 60
United States of America
F11401, F11701, F12101, F12801, F13101, F14101
Ductile Iron
UK China
QT400-18, QT400-15, QT450-10, QT500-7, QT600-3, QT700-2, QT800-2 QT900-2
Japanese JIS
FCD350-22, FCD400-18, FCD400-15, FCD450-10, FCD500-7, FCD600-3 FCD700-2, FCD800-2
Korea KS
GCD370, GCD400, GCD450, GCD500, GCD600, GCD700, GCD800
AWS United States
60-40-18, 65-45-12, 80-55-06, 100-70-03, 120-90-02
United Nations system
F32800, F33100, F33800, F34800, F36200
product name
Ductile Iron Rods/Cast Iron Castings/Ductile Iron Castings
brand:
QT500-7
standard:
GB1348-88
QT500-7 features and scope of application:
It is ferrous ductile iron with medium strength and toughness and good machinability. At low temperature, the toughness turns into brittleness, but the low-temperature impact value is high, and it has certain temperature resistance and corrosion resistance. Widely used in internal combustion engine oil pump gears, steam turbine warm cylinder bulkheads, water turbine valve bodies, railway rolling stock bearing bushes, frame drive shafts, etc.
QT500-7 chemical composition:
Carbon C: 3.6-3.8
Silicon Si: 2.5~2.9
Manganese Mn lt; 0.6
Sulfur ≤ 0.025
Polypropylene 0.08
Magnesium Mg: 0.03-0.05
Rare earth RE content 0.03-0.05
Mechanical behavior
Tensile strength σb (MPa): ≥500
Conditional yield strength σ0.2 (MPa): ≥320
Elongation δ(%): ≥7
Hardness: 170~230HB
Heat treatment specifications:
(Determined by the supplier, the following is the sample heat treatment specification for reference) 920°C
Microstructure after annealing:
Ferrite + Pearlite.
Surface hardening:
In order to improve the surface hardness, wear resistance and fatigue strength of some castings, surface quenching can be used.
Gray and ductile iron castings can be case hardened. Generally high (medium) frequency induction heating surface
Quenching and electrical contact surface quenching are used.
chemical heat treatment
For castings that require surface wear resistance or anti-oxidation and anti-corrosion, chemical heat treatment
Processes similar to steel can be used, such as gas soft chlorination, chlorination, boronizing, vulcanization and other treatments.
thickness
Customized on request
If you need more information, please contact us here.
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