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Customized Low Alloy Steel ST52-3 S355JR S355J0 Q355B Car Door Hinge Profile

Customization:	Available
Standard:	DIN, JIS, AISI, ASTM, GB, BS
Technics:	Hot Rolled

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Product Description

Basic Specifications

Model NO.

S355JR

Application

Structural Steel Bar

Surface

Metal Natural Color

Alloy

Non-alloy

Special Use

Wear Resistant Steel

MOQ

10 Tons

Transport Package

Steel Wire

Specification

6m per piece

Origin

China

HS Code

8301201000

Capacity

500,000 tons/Year

Low Alloy Steel Hinge Profile

Low Alloy Steel EN10025 S355JR S355J0 ST 52-3 SS490M Car Door Hinge Profile

Car door hinge is commonly known as hinge, the current market common manufacturing process has two kinds of stamping and hot rolling. The main function of the car door hinge is to connect the door and the body, and keep the position of the door relative to the body. Hot rolling steel door hinges is the production process preferred by many of the world's leading automotive and truck manufacturers. Hot rolled special steel shapes have been installed by major automobile manufactures.

Vehicle hinge profile steel is one kind of hot rolled section steel connecting automobile body and door.

Material: Q355B Q390 Q420

China (GB)	UK (BS)	America (ASTM)	Japan (JIS)	Germany (DIN)
Q355B	E335/E335JR/S355	A656M/A529M	G3135	EN10025
Q390	S390	A572M	G3474	-
Q420	S420NL/S420ML	A572M/A633M	G3124	EN10113-2/EN10113-3
Q460	S460NL/S460ML	SM570	G3106/G3114	EN10113-2/EN10113-3

Customization Ability

All shaped flat steel in the range of 12-300mm wide and 3-60mm thick can be developed and customized.

Professional customization industry supporting non-standard shaped steel, small steel with complex section.

Equipped with automated precision hot rolling mills and over 40 years of experience in section steel production.

Adopts high-pressure water descaling technology, ensuring appearance quality exceeds industry standards.

Over 200 different shapes of hinge profiles developed, adopted by more than 100 famous car brands.

Hinges made of hot rolled steel profile.

Frequently Asked Questions

Q1: What materials are available for the car door hinge profiles? We provide various high-quality materials including Q355B, Q390, Q420, S355JR, and others compatible with international standards like ASTM, DIN, and JIS.

Q2: What is the advantage of hot-rolled hinge profiles over stamping? Hot-rolled profiles offer better dimensional consistency, one-time forming, and superior surface quality, which leads to better coating effects and structural integrity.

Q3: Can you customize profiles for non-standard specifications? Yes, we can develop and customize shaped flat steel within the range of 12-300mm in width and 3-60mm in thickness, including complex sections.

Q4: Are these profiles suitable for heavy-duty trucks? Absolutely. Our hot-rolled special steel shapes are designed for and widely used by leading global automotive and truck manufacturers.

Q5: What is the typical Minimum Order Quantity (MOQ)? The standard MOQ for our steel profile products is 10 Tons.

Q6: How is the quality of the surface finish ensured? We utilize high-pressure water descaling technology during the hot rolling process to ensure a superior surface appearance that meets or exceeds industry standards.