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THAI SEISEN CO., LTD.
We Thai seisen provide high quality products that satisfy you.

Detail of Products


Spring Wires

Micro Wires

Cold Heading Wires (For Screws)

Automotive Parts Wires

Covered arc · MIG welding rod core wire

General Processing Wires · Shaft Wires · Weaving Wires

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Spring Wires 

Spring wires of Thai Seisen are manufactured under strict quality control and have been well received by customers with stable processability.
We will also develop our own steel types for products that require high strength, and give high added value to customers.

Major steel types

302(1.4310),304,316,316H1T

Wire diameter range

0.50 mm - 2.00 mm(Hard finish)
0.50 mm - 2.50 mm(3/4H finish, 1/2H finish)

Application refining

Hard finsh (H)、3/4H finish(3/4H)、1/2H finish(1/2H)

Surface finish

Extra Bright (EB) Luster finish
Inorganic Coat(RD) Inorganic coating

Standard

JIS G4314,EN10270-3,ASTM A313

Packing style

Coil, Spool

Wire diameter (mm) Wire diameter tolerance (mm) Diameter difference (mm) Tensile strength (N/mm2)
Hard finish (H)
304, 302, 316H1T
3/4H Finish (3/4 H)
304, 302, 316H1T
1/2H Finish (1/2 H)
304, 302, <(316(H)>
0.500 - 0.600 +0, -0.010 0.005 max. 1950 - 2200 1670 - 1910 1600 - 1850
0.601 - 0.900 1850 - 2100 1570 - 1810 1530 - 1780
0.901 - 1.000 +0, -0.015 0.007 max.
1.001 - 1.400 1750 - 2000 1470 - 1720 1450 - 1700
1.401 - 1.600 1650 - 1900 1420 - 1670 1400 - 1650
1.601 - 2.000 +0, -0.020 0.010 max.
2.001 - 2.500 - 1370 - 1620 1320 - 1570

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Micro Wires

Thai Seisen is mass-producing stainless steel wires up to 0.024 mm with outstanding manufacturing technology and state-of-the-art equipment. In addition, the tools used for its manufacture are manufactured inside the company, and it is backed up with stable quality and supply power.

Major steel types

304, 316

Wire diameter range

0.016 mm - 0.065 mm

Application refining

Soft finish (S)

Surface finish

Ultra Bright (UB) Ultra bright finish

Steel type Wire diameter (mm) Tensile strength (N/mm2) Tensile strength (mm) Elongation (min. %)
304 0.016 - 0.017 900 - 1200 +/- 0.001 15
0.018 - 0.050 880 - 1130 +/- 0.001 20
0.051 - 0.065 650 - 900 +/- 0.002 20
316 0.020 - 0.050 650 - 900 +/- 0.001 20
0.051 - 0.065 650 - 900 +/- 0.002 20

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Cold Heading Wires (For Screws)

Cold heading wires of the Thai Seisen are proud of superior headability by abundant steel types and highly adhesive coatings.

Major steel types

302HQ, 304, 304CU, 304J3, XM7, 316

Wire diameter range

0.80 mm - 5.25 mm

Application refining

Super Soft finish (SS)
Soft & Slightly Drawn (SSP)

Surfice finish

Normal Bright (NB) Standard finish
Extra Bright (EB) Bright finish
Inorganic Coat(RD) Inorganic coating

Standard

JIS G4315

Packing style

Coil、Carrier

Steel types Super soft finish (SS) Soft & Slightly Drawn (SSP)
Tensile strength (N/mm2) Reduction of Area (mm. %) Tensile strength (N/mm2) Reduction of area
(mm. %)
Dia. 0.800 mm - 1.999 mm Dia. 2.000 mm - 5.250 mm Dia. 0.800 mm - 1.999 mm Dia. 2.000 mm - 5.250 mm
304, 304J3 560 - 710 510 - 660 70 580 - 760 530 - 710 65
316 560 - 710 510 - 660 70 580 - 760 530 - 710 65
302HQ, 304CU, XM7 480 - 630 440 - 590 70 500 - 680 450 - 630 65

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Automotive Parts Wires

We utilize the characteristics of high temperature and rust-resistant stainless steel, we are manufacturing sensors for measuring oxygen concentration, parts inside the injector that controls fuel injection. We launched a dedicated factory in 2015 and are focusing on production in Thailand and the ASEAN region.

Major steel types

410, 430, XM7

Wire diameter range

9.00 - 25.00 mm

Application refining

Soft & Slightly Drawn (SSP)
1/8H finish (1/8H)

Surface finish

Oxalate Coat (CB) Oxalic acid coating
Inorganic Coat(RD) Inorganic coating

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Covered Electrode Core Wires

Covered elecrode core wires of Thai Seisen are well received not only in Thailand but also in neighboring countries as a welding material around a motorcycle muffler and engine.

Major steel types

308, 308L, 309L, 316L

Wire diameter range

1.20 mm - 4.00 mm

Application refining

1/8H finish (1/8H)

Surface finish

Extra Bright (EB) Bright finish

Wire diameter​ (mm) Wire diameter tolerance​ (mm) Ovality (max. mm) Tensile strength​ (min. N/mm2)
1.200 - 1.600 +/ - 0.020 0.020 780
1.601 - 2.800 +/ - 0.030 0.030 740
2.801 - 4.000 +/ - 0.040 0.040 740

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General processing · Shaft Wires· Weaving Wires

Thai Seisen holds abundant types of steel for shafts, and we propose the optimum steel type that makes both hardness and machinability compatible.

Weaving Wires are excellent in workability by refining according to the use of wire mesh.
Rhomboid wire mesh, crimp wire mesh, welded wire mesh, woven wire mesh, knit mesh, and braids, etc. We are active in every application and we have a large variety of steel types.

Major steel types

302, 304, 304L, 304J3, 304N1, 310S, 314, 316, 316L, 317L, XM7, 303CU, 204CU

Wire diameter range

0.061 mm - 5.25 mm

Application refining

Soft finish (S)
1/8H finish (1/8H)

1/4H finish (1/4H)
1/2H finish (1/2H)

Surface finish

Normal Bright (NB) Standard finish
Extra Bright (EB) Bright finish
Ultra Bright (UB) Ultra bright finish
Inorganic Coat(RD) Inorganic coating

Standard

JIS G4309

Packing style

Packing style

Wire diameter (mm) Tensile strength (N/mm2)
Soft (S) 1/8H 1/4H 1/2H
0.061 - 0.160 650 - 900 - - -
0.161 - 0.500 610 - 860 - - -
0.501 - 0.799 570 - 820 - - 1130 - 1470
0.800 - 1.600 570 - 820 780 - 1030 880 - 1130 1130 - 1470
1.601 - 5.000 520 - 770 740 - 980 830 - 1080 1080 - 1420
5.001 - 5.250 500 - 750 740 - 980 780 - 1030 1030 - 1320

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Latest Update 07 Nov 2019
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