Integrated Steel Wire Processing Operations
Manufacturing processes are configured according to steel grade, downstream application, and forming requirements for automotive, fastener, tooling, and industrial production.
MANUFACTURING FLOW
Coordinated Steel Wire Processing Operations
Annealing & Spheroidizing
Controlled heat treatment operations designed to improve ductility, machinability, and cold forming performance.
02
Surface Treatment
Integrated pickling and phosphating operations supporting downstream manufacturing and forming applications.
03
Wire Drawing
Precision drawing operations configured according to steel grade, dimensional requirements, and application specifications.
Supported Steel Grades
Hai Hwa Steel processes selected carbon steel, alloy steel, and cold-heading wire grades for automotive, fastener, tooling, and industrial manufacturing applications.
1008, 1010, 1018, 1022
S35C, S40C, S45C, S55C
35ACR, 40ACR, 4037, 4140, SCM435, SCM440
10B21, 10B33, 10B38
50BV30
6150, 8640, 8660V, S2, 60SiCrV, SNCM439
Additional steel grades may be reviewed according to customer specifications and processing requirements.
PROCESS PATHWAYS
Steel Wire Processing Routes
The following process routes show how wire rod is transformed through pickling, phosphating, drawing, annealing, and skin pass operations according to product requirements.
1
SA ROD
Wire Rod → Pickling → Spheroidizing Annealing
Wire Rod → Pickling → Spheroidizing Annealing → Pickling + Phosphating
2
SAFS
Wire Rod → Pickling & Phosphating → Hard Drawing → Spheroidizing Annealing
Wire Rod → Pickling & Phosphating → Hard Drawing → Spheroidizing Annealing → Pickling + Phosphating
3
SAFS 2
Wire Rod → Pickling → Softening Annealing → Pickling + Phosphating → Hard Drawing → Spheroidizing Annealing
Wire Rod → Pickling → Softening Annealing → Pickling + Phosphating → Hard Drawing → Spheroidizing Annealing → Pickling + Phosphating
4
SAIP / PASAIP
Wire Rod → Pickling + Phosphating → Hard Drawing → Spheroidizing Annealing → Pickling + Phosphating → Skin Pass
Wire Rod → Pickling → Softening Annealing → Pickling + Phosphating → Hard Drawing → Spheroidizing Annealing → Pickling + Phosphating → Skin Pass
5
LAFS
Wire Rod → Pickling + Phosphating → Hard Drawing → Softening Annealing
Wire Rod → Pickling + Phosphating → Hard Drawing → Softening Annealing → Pickling + Phosphating
6
LAIP
Wire Rod → Pickling + Phosphating → Hard Drawing → Softening Annealing → Pickling + Phosphating → Skin Pass
Discuss your steel wire processing requirements.
Contact Hai Hwa Steel to discuss material grade, wire size, and processing route requirements for your application.