SINORAY is a China factory supplying spring wire of various types. Materials involved for manufacture of spring wire include: 302, 304, 304H, 304M, 304N, 316, 316L, 410, 420J2 and other quality steel rods. Stainless steel spring wire is available from 0.7mm to 15mm according to Standards of AISI, DIN and other international standards. Materials for manufacture of steel spring wire include 60#, 70#, 75#, 72A, 72B, 82B, 65Mn. Spring steel wire diameter ranges from 0.2-14.0mm. Standards we follow in producing carbon steel spring wire: include GB4357-89, DIN17223.

SINORAY constantly invests into improvement of the processes, introduces the state of the art equipment, advanced process management system and quality test system, aiming at reducing cost and providing high quality wire products at competitive pricing.

Hot Products

Carbon Spring Steel Wire

Hard drawn spring wire is popularly made of medium carbon steel through cold drawn process that performs well in applications that require average stress loads.

Oil Tapered Spring Wire

Oil tempered steel wires are supplied in coils for making of vehicle springs, valve springs and mechanical springs. cold coiled automobile springs.

Stainless Steel Spring Wire

Stainless steel spring wire offers highly corrosion-resistant over carbon sping steel materials. Materials: 302, 304, 304L, 316, 316L stainless steel wires.

316L Spring Wire

We produce various types of 316 grade stainless steel wire for stainless steel spring makers. Different specs and different tensile strength are available.

Spring Steel Wire

Cold drawn spring wire is wire drawn to size by cold deformation of a starting material that has been subjected to a thermal treatment, low, medium and high tensile strength spring wire.

Bright Spring Wire

Bright spring wire includes stainless, low carbon steel wire and high carbon steel wire with a bright polished finish made through a cold-drawn process, featuring increased tensile strength.

High Carbon Steel Spring Wire

According to EN 10270-1 or DIN 17223-1 standard, ranging from diameter 0,4 mm to 8,0 mm, for high tensile springs, clamp rings, rolled springs manufacture.

High Carbon Steel Wire Rod

Wire rod for manufacturing spring wires
Grade 62 5.5 mm
Grade 72 5.5 mm, 6.5 mm
Grade 82, 8mm, 9mm, 10 mm, 11 mm

Low Carbon Steel Spring Wire

Carbon steel spring wire is made in low carbon and high carbon quality steel. Low carbon spring wire is available with galvanized, bright, and black annealed treatment.

Spring Steel Coil Wire

Spring steel coil wire is the popular delivery form of spring wires.
Finish: Bright shinny
Delivery form: In coils, tightly bundled.

Stainless Steel Round Spring Wire

SS spring wire is supplied in round wire and other section forms according to specific requirement. SS wires applied are 304, 316, 631, 200 series and other grades.

Flat Spring Wire

Flat spring wire has good corrosion resistance, excellent flexibility and softness, high weary life, etc. It is mainly used in staple / stitching wire, springs, belts and wire forms.