Gold Member Since 2011
Audited Supplier
Shanghai Special Metal Co., Ltd.

Smash Base Door Frame, Door Frame, Door Frames manufacturer / supplier in China, offering Smash Base Door Frame, OEM Cast High Hardness Sprocket Gear, Integration Ingot Mold and so on.

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Smash Base Door Frame

FOB Price: US $1,400-5,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $1,400-5,000/ Ton
Get Latest Price
Production Capacity: 100, 000 Tons Per Year
Transport Package: Frame or as Your Require
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Smash base door frame
  • Casting Form Material: Sand
  • Casting Form Usage Count: Semi-permanent
  • Surface Roughness: Ra12.5
  • Machining Tolerance: +/-0.10mm
  • Certification: SGS, ISO 9001:2008
  • Certificate: En 1024 3.1
  • Service: OEM, ODM
  • Specification: DIN, ASTM Standards, etc
  • Casting Method: Sand Casting
  • Casting Metal: Cast Steel
  • Surface Treatment: Polishing
  • Coating: Heat Resistant Coating
  • Standard: DIN
  • Alternative Material: Stainless Steel
  • Inspection: Ut, Mt
  • Trademark: CSM
  • Origin: Shanghai, China
Product Description

Smash base door frame

Weight: 3~20T

Applicable devices: coal mill spare parts

Application: cement, electricity, .metallurgy, chemical industry, non-metal mine etc.  

Customizable or not: Yes

Product introduction

Smash base door frame is the main part of coal ball mill; Shanghai Special Metal Co., Ltd sells it overall the world and gains good reputation.

Our main material for the smash base door frame is similar to followings:


                                             Standard Specifications for Cast Steel

Country                                             Standard                                           Grade

USA                                                  AISI/SAE                                            ASTM  LCC/UNS:J02505

Germany                                           DIN 17182                                         GS-20Mn5

Japan                                               JIS G5102-1991                                 SCW480


Shanghai Special Metal Co., Ltd adopts unique heat treatment to optimize the door frame structure, to enhance hardness, wear resistance and impact force.

Base door frame produced by Shanghai Special Metal Co., Ltd is made from high strength steel. The staff at Shanghai Special Metal Co., Ltd optimizes the design of coal ball mill to ensure the stability under long working time and it prolongs its service time. 

Shanghai Special Metal Co., Ltd has a strong ability of producing steel casting and it can do mass production of door frame in a short cycle with large amount.

Production Process 

1. Wooden pattern Production  

2. Molding

3. Pouring

4. First cleaning

5. Heat treatment - grinding (inspection)

6. Rough machining (inspection)-finishing machining (inspection)

7. Packing-delivering

Quality assurance

The fabrication route is governed by the provisions of the implemented Quality System ISO 9001: 2000. The standard documentation ensures the full traceability of every process step:

• Manufacturer test certificates according to DIN EN 10.204 § 3.1 including chemical composition, mechanical properties and non-destructive examination;

• Dimensional check supported with a "as-built" sketch;

• Record of the heat treatment chart;



Smash Base Door Frame

Smash Base Door Frame

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