Precision Engineered Steel Hinges for Vehicle Door Installations

• Customization: Available
• After-sales Service: on Line
• Warranty: 1 Years
• Model NO.: car door hinge series
• Type: Profile
• Material: Can Be Customized
• Application: Automobile
• Technology: Hot Rolled
• Transport Package: Strap to Bundles
• Specification: Q355B Q355D
• Trademark: n/a
• Origin: China
• Production Capacity: 500000t/Year

Product Description

Product Description

high-performance Car Door Hinges

Hot rolling steel door hinges is the production process preferred by many of the world's leading automotive and truck manufacturers. Vehicle hinge profile steel is one kind of hot rolled section steel connecting automobile body and door. The functional use of the door hinge structural components relates to the comfort during door opening and closing, as well as the sealing performance of the door.
Our products have received unanimous praise from buyers during use.

Specification
1.Steel Grade: Q355B/Q355D/ST52-3, and can be customized 
2.Processing Technic: Hot rolled
3.Special Use: Wear Resistant Steel
4.Length: 6 meters per pieces, or cut to pieces as requirement
5.Transport Package: Strap to Bundles, or as requirement
6.Origin: China
7. Certificates: IATF : 16949 : 2016

Drawings & Dimensions

Brand and Chemical Composition

Brand Name	Chemical composition, mass fraction %
	C	Si	Mn	V	P	S
Q355B	≤0.24	≤0.55	≤1.60	no limit	≤0.035	≤0.035
Q355D	≤0.20	≤0.55	≤1.60	no limit	≤0.025	≤0.025
st52-3	≤0.20	≤0.55	≤1.60	no limit	≤0.040	≤0.040

Advantages

Superior Durability: Hot-rolled steel hinges withstand 200,000+ door cycles (3x longer than stamped hinges)
High Load Capacity: EN10025 S355JR/SS490M certified, ideal for SUV/truck doors up to 50kg
Trusted by Leaders: Direct supplier to EU brand, domestic brand and global truck OEMs

Company Profile

Changzhou Jiantan Huaneng Machinery Equipment Co., Ltd

Huaneng now has one technical center with various testing and inspection equipment, 38 technical personnel and equipped with automated 2 precision hot rolling mills, Huaneng is specializing in steel rolling more than 10 years,products are currently widely adopted in domestic China market and exporting to Europe,Southeast Asia, Aus and Ru etc.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Advanced rolling equipment, mechanical and chemical properties guaranteed

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FAQ

Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–60 days.
 
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
 
Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.
 
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COO, etc.).
 
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.