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Precision Steel Solutions for Industry

Nanjing Hengjie Steel Industrial Co., Ltd is a trusted manufacturer of high-value spring steel, cold drawn wires, oil tempered steel, and custom alloy products for automotive, machinery, electronics, and industrial applications.

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About HengSteel

Nanjing Hengjie Steel Industrial Co., Ltd is a joint-stock company established with a focus on delivering high value-added spring steel products. With over 15 years of engineering expertise, we are committed to quality, innovation, and customer satisfaction.

Our mission is to create future-ready steel solutions by insisting on perfection and particularity in every stage of production — from raw material selection to final shipment.

98.5%+

Product Qualification Rate

15+ Years

Engineering Experience

Steel Manufacturing Facility

Our Production Process

From raw material to finished product, every step is monitored with precision and tested rigorously to ensure consistency, durability, and performance.

1

Hot Rolled

High-quality billets are hot rolled into wire rods or bars with precise dimensional control.

2

Annealing & Cold Drawing

Material is annealed for ductility and then cold drawn to achieve tight tolerances and smooth finish.

3

Heat Treatment & Inspection

Oil quenching or lead quenching followed by full inspection to ensure 98.5%+ qualification rate.

Our Product Range

We manufacture a wide range of precision steel products used in automotive, industrial machinery, electronics, and fasteners. All products are available in custom sizes and materials.

Cold Drawn Carbon Steel Wire

Cold Drawn Carbon Steel Wire

  • Material: S10C-S85C, SWRH27-SWRH82B, CK10-CK75, 65#
  • Size: Ø 0.1mm – 10mm
  • State: Cold Drawn
  • Usage: Springs, electronics, suspension systems
Oil Tempered Irregular Steel Wire

Oil Tempered Irregular Steel Wire

  • Material: Custom alloys per requirement
  • Size: Custom dimensions
  • Usage: Auto stabilizer bars, appliances, furniture
Slider Steel

Slider Steel

  • Material: SAE8620H, SAE9254-SAE9260, SAE1109-SAE1144
  • Size: Custom
  • Usage: Molds, machinery, building components
Push Rod Steel

Push Rod Steel

  • Material: As per customer specification
  • Size: Custom
  • Usage: Machinery, mold manufacturing
Hexagon Steel Bar

Hexagon Steel Bar

  • Material: Custom alloys
  • Size: Custom
  • Usage: Gear shafts, pistons, worms, molds
Oil Tempered Spring Steel (Small)

Oil Tempered Spring Steel (Small)

  • Material: S10C-S85C, SWRH27-SWRH82B, CK10-CK75
  • Size: Ø 0.1mm – 6mm
  • Usage: Fasteners, auto parts, hardware
Spring Steel Wire

Spring Steel Wire

  • Grades: FDCrSi, FDCrV, VDCrSi, VDCrV, TDCrV
  • State: Oil quenched
  • Usage: High-stress springs, industrial components
Stainless Steel Wire

Stainless Steel Wire

  • Material: Alloy stainless grades
  • Processing: Cold drawn, peeled, heat treated
  • Usage: Corrosion-resistant applications
Cold Drawn Steel Wire

Cold Drawn Steel Wire

  • Material: Carbon and alloy steels
  • Size: Precision tolerances
  • Usage: Precision components, fasteners
Spring Steel Strip

Spring Steel Strip

  • Material: 65Mn, 60Si2Mn, 55CrMnA, 50CrV, SUP6-9
  • Processing: Cold rolled
  • Usage: Flat springs, clamps, automotive parts
Alloy Steel Bar

Alloy Steel Bar

  • Grades: SAE9254, SUP12V, 55Cr3, 60Si2CrVA
  • Processing: Peeled, cold drawn
  • Usage: High-strength mechanical parts
Free Cutting Steel

Free Cutting Steel

  • Grades: C1118, 12L14, 1215, Y40Mn, SUM24L, SUM42
  • Size: 2mm – 130mm
  • Forms: Round, square, hexagonal, irregular

Why Choose HengSteel?

We combine advanced technology, strict quality control, and deep industry expertise to deliver reliable steel solutions.

Quality First

Each process is strictly tested to ensure a qualification rate of 98.5% or higher. We strive for zero defects.

Advanced Production

Three advanced production lines with full sets of testing equipment ensure consistency and precision.

Customer-Centric Innovation

We independently develop irregular steel products to meet diverse mechanical equipment needs.

15+

Years Experience

3

Advanced Lines

98.5%

Qualification Rate

130mm

Max Size (Free Cut)

Frequently Asked Questions

What materials do you offer for spring steel wire?

We offer FDCrSi, FDCrV, VDCrSi, VDCrV, TDCrV, SAE9254, SUP12V, 55Cr3, 60Si2CrVA, and other high-performance alloys.

Can you produce custom-sized steel products?

Yes, we manufacture to customer specifications for size, shape, and material, including irregular profiles.

What is your quality control process?

We test every batch through advanced equipment at each stage — from hot rolling to shipment — ensuring a 98.5%+ qualification rate.

What industries do you serve?

We supply automotive, machinery, electronics, furniture, fastener, and industrial equipment manufacturers worldwide.

Get in Touch

For inquiries, specifications, or custom orders, please visit the official HengSteel website.

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