Topwell Crafts Co., Ltd , https://www.topwellmetal.com
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**Surface Treatment:** Sand Blast
**Surface Roughness:** Ra6.3
**Standard:** ASTM
**Certification:** ISO 9001:2008
**Outer Diameter (OD):** Max. 9000mm
**Test Report:** Chemical Composition, UT, MT, Mechanical Properties
**Certificate:** EN 10204/3.1 and 3.2
**Delivery Status:** Rough Machining or Finished Machining
**Transport Package:** Wooden Case or Other Sea-Worthy Packing
**Specification:** ZG270-500
**Origin:** China
**HS Code:** 73269090
**Material:** Carbon steel, low alloy steel such as ZG20SiMn, ZG50Mn, ZG35SiMn, ZG35CrMo, ZG35SiMnMo, ZG42CrMo, ZG40Cr, ZG34CrNiMo, ZG40Mn, and more.
**Process:**
- Place a pattern in sand to create a mold
- Incorporate a gating system
- Remove the pattern
- Fill the mold cavity with molten metal
- Allow the metal to cool
- Break away the sand mold and remove the casting
- Heat treatment
- Perform chemical composition test, UT/MT test, mechanical property test, and other required inspections
- Surface treatment and any specific customer requirements
**Standards & Certifications:**
ASTM, BS, NF, DIN, JIS, and others; ISO 9001:2008; BV, CCS, DNV, NK, RINA, KR, and more.
**Weight:** From 3 tons to 150 tons per piece
**Application:**
Our products are widely used in cement mills, rotary kilns, shipbuilding, metallurgy, mining, sugar mills, powder plants, railroads, engine beds, and more.
We offer OEM services for cement mill and rotary kiln casting parts, marine steel casting parts, and sugar mill machinery parts made from carbon steel or low alloy steel.
**Treatments Available:**
- Heat Treatment: Normalized, normalized and tempered, quench and tempered
- Machining: Rough machined, semi-finished machined, finished machined
**Quality Assurance Process:**
1. The wooden pattern is carefully inspected by the QC team.
2. The casting process is simulated before pouring.
3. QC checks the chemical composition after pouring.
4. A visual inspection is conducted before machining.
5. First-time UT and MT tests are performed after rough machining.
6. Mechanical property tests are done when the test sample is cut after heat treatment.
7. Final UT and MT tests are carried out after finished machining.
8. When customers visit for final inspection, they can witness the process or use their own testing equipment.
**Our Service:**
- 7*24 hours support
- Quick response with a professional foreign trade and engineering team
- High quality at competitive prices
- Timely delivery
- Located just 2.5 hours from Shanghai – welcome to visit our company
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