Gold Member Since 2011
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Guangzhou Kingmetal Steel Industry Co., Ltd.

Scm421 Round Bar, Scm 421 Steel Bar, Steel Round Bar manufacturer / supplier in China, offering JIS G4105 Alloy Steels Scm 421 Round Bar, Long Welding Neck Flanges for Class 150/300/400/600, Carbon Steel Line Pipe API 5l Gr. B and so on.

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Supplier Homepage Product steel structure JIS G4105 Alloy Steels Scm 421 Round Bar

JIS G4105 Alloy Steels Scm 421 Round Bar

FOB Price: US $450-1,500 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $450-1,500/ Ton
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Production Capacity: 500000 Tons/ Month
Transport Package: in Bundle or as Requested
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: EL-RB
  • Standard: AISI, ASTM, GB, JIS, DIN, BS
  • Technique: Hot Rolled
  • Surface Treatment: Coated
  • Special Use: Mold Steel
  • Length: 1-12m
  • Delivery Time: 15-30days After Down Payment
  • Secondary or Not: Non Second
  • Payment: L/C,T/T
  • MOQ: as Requested
  • Specification: JIS, ASTM.
  • HS Code: 72166900
  • Type: Alloy Steel Bar
  • Steel Grade: 400 Series
  • Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
  • Alloy: Alloy
  • Size: 10mm-900mm
  • Certification: ISO
  • Standard or Not: Standard
  • Price Term: Fob,CIF,CNF
  • Surface: Peeling, Turning, Polishing
  • Trademark: Kingmetal
  • Origin: China
Product Description
Size:10mm-900mm

Standard:ASTM,AISI,JIS,GB,EN,DIN,ASME,BS,SUS,etc.

Surface Treatment: painting,plating,polishing,black oxide,transparent anti-rust oil

Heat treatment: Normalized / Annealed / Quenched / tempered


Processing
 
Electric arc furnace melting→refining furnace→vacuum treatment furnace→
→cast ingot→steel ingot anneal→ heating → high-speed forging, refining
forging→annel,retarded cooling,air cooling→quenching and tempering
treatment→finishing operation→test→finished products
 
Application:
Foodstuff, gas, metallurgy, biology, electron, chemical, petroleum, boilers, nuclear, energy, construction field, ships building industry, war and electricity industry, boiler heat exchanger, machiner and hardware fields and medical equipment, fertilizer, etc.  
 
Symbol
of Class
Chemical Composition %
CSiMnP Max.S Max.CrMo
SCM 4150.130.180.150.350.600.850.0300.0300.901.200.150.30
SCM 4180.160.210.150.350.600.850.0300.0300.901.200.150.30
SCM 4200.180.230.150.350.600.850.0300.0300.901.200.150.30
SCM 4210.170.230.150.350.701.000.0300.0300.901.200.150.30
SCM 4300.280.330.150.350.600.850.0300.0301.001.500.150.30
SCM 4320.270.370.150.350.300.600.0300.0300.901.200.150.30
SCM 4350.330.380.150.350.600.850.0300.0300.901.200.150.30
SCM 4400.380.430.150.350.600.850.0300.0300.901.200.150.30
SCM 4450.430.480.150.350.600.850.0300.0300.901.200.150.30
SCM 8220.200.250.150.350.600.850.0300.0300.901.200.150.30
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.

Application:
Carbon Steel Mold bottom
Plastic mold
Construction machinery parts
Automobile parts
Security grills
Screens
Construction
Bearing Steel  Aerospace
Navigation
Nuclear energy
Chemical industry
Electronic information
Petrochemical
Instrument and meter
Transportation 
Cr-Mo Steel  Mechanism & Fasteners gear   
Stressed components for vehicles 
Engines and machines 
Parts of larger cross-section
Gear SteelAll kinds of gears
Statically and dynamically stressed component for vehicles
Engines and machine
Larger cross-section parts
Crankshafts 
 
 
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