N300(Rongguang) N300(Rongguang) Chevrolet wuling N300 Chongqing Zhongheng Chuangxin Auto Parts Co., Ltd , https://www.zhcx-autoparts.com
**Product Name:** Forging SAE1045, ST52, SS316, and SAE4145 Steel Blind Flanges
**Model No.:** SAE4145 Casted Alloy Steel Blind Flange
**Manufacturing Way:** Forging
**Size:** OD from 300mm to 2500mm
**Surface Finish:** Rough Machining
**Technology:** Forged
**Certifications:** ISO 9001:2008, ABS, GL, BV, DNV, LR, RINA, NK, CCS
**Trademark:** GD
**Transport Package:** Wooden Case, Pallet, or as per Customer’s Requirements
**Specification:** Based on Design Drawings
**Origin:** Jiangsu, China
**HS Code:** 7307.20
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**Product Description:**
Our forged blind flanges are manufactured using high-quality materials such as SAE1045, ST52, SS316, and SAE4145 steel, suitable for a wide range of industrial applications. These flanges are produced through advanced forging technology, ensuring superior strength, durability, and precision. They are available in various sizes, with outer diameters ranging from 600mm to 6300mm, and can be customized according to customer drawings.
**Standards:** ASME, EN, DIN, BS, and more
**Material Grades:** Carbon Steels (A105, A350, A516, etc.), Alloy Steels (42CrMo4, 25CrMo4, 34CrNiMo6, etc.), Stainless Steels (F304, F316, F321, F44, etc.)
**Certifications:** 9 Ship Classification Societies (DNV, BV, ABS, GL, RINA, LR, KR, NK, CCS), ISO 9001:2008, CE, Certificate 3.1
**Production Process:**
Raw Material Inspection → Cutting → Heat Treatment → Forging → Heat Treatment (Normalizing + Tempering) → Inspection → Rough Machining → Ultrasonic Testing → Second Heat Treatment → Finishing Machining → Final Inspection → Packaging
**Delivery Port:** Shanghai Port
**Production Cycle:** 24 days or as per order quantity
**Equipment Used:**
- 3600t and 2000t Metal Forging Hydraulic Presses
- 7m and 3.5m Rolling Machines
- Various Vertical Lathes
- 5m CNC Drilling Machine
- Multiple Testing Machines
**Maximum Dimensions:**
- Max OD: 6900mm (from 400mm to 6900mm, 20'' to 271'')
- Max Unit Weight: 30 Tons
**Application:** Ideal for use in oil & gas, power generation, chemical processing, and other heavy industrial sectors where high performance and reliability are essential.
**Image:**
This product is designed to meet the highest industry standards and ensure long-term performance under demanding conditions. Contact us for custom solutions and competitive pricing.
N300(Rongguang)
September 19, 2025