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Professional Manufacturer of Steel Wire

Stainless Steel Spring Wire

ASTM A313 304/304L/304M/304H Stainless Steel Spring Wire

ASTM A313 304/304L/304M/304H Stainless Steel Spring Wire

MTSCO is a professional supplier of steel wire with complete production technology and rich management experience. We produce spring wire, electrolytic polished wire, fine wire, wire for netting, hose wire, welding wire, cold heading, locking wire, and other products. Our main materials are stainless steel and alloy steel, and the raw materials we use are from the biggest and most well-known steel mills in China, we can supply wire in sizes ranging from 0.15 mm to 16 mm in diameter.

ASTM A313 304/304L/304M/304H Stainless Steel Spring Wire

Mtsco is a professional supplier of steel wire with 17 years of experience, complete production technology, and extensive management experience. Mtsco is dedicated to specializing in spring steel wire, nickel alloy wire, welding wire, and shaped wire. In addition, we can supply electro-polishing quality wire, mesh wire, annealed wire, cold heading wire, locking wire, etc. The main materials are nickel alloy, stainless steel, carbon steel, and alloy steel. Our products are widely used in the automotive and machinery fields, petrochemical, pipeline, valve, pressure vessel, power plant, chemical equipment field, nuclear power field, communication and electronic machinery field, etc.


MaterialStainless Steel Wire
Grade300series (301, 302, 304, 304L, 304H, 304N, 304ES, 316L, 321...) 130M, 200CU, 201CU, 202, , 410, 420, 430,etc
StandardASTM A580, JIS G4309, EN 10088-3, GB/T4240, etc
Sizeφ0.15mm-φ16mm; or according to customers' requests
SurfaceBright, matte ,downy, electrolysis bright ,cloudy ,plain ,black,etc
ConditionAnnealed and Soft, 1/2 hard, 3/4 hard and full hard
TypeSpring Wire (B-SPR/D-SPR)
PackingWoven bag, core, wooden reel, etc


Advantages of stainless steel wire:

1. Highly resistant to rust and corrosion
2. High strength and robustness
3. Highly elastic and impact resistant to fire


Steel gradeDINChemical composition







CSiMnPSNiCrMoOther composition

304WNr1.4301≤0.08≤1.0≤2.0≤0.045≤0.038.0-10.518.0-20.0≤0.6
304M
≤0.06≤1.0≤2.0≤0.040≤0.039.0-10.018.0-20.0
N: ≤0.08
304MD
≤0.03≤1.0≤2.0≤0.045≤0.039.0-10.018.0-20.0≤0.5
304MA
≤0.08≤1.0≤2.0≤ 0.0450.01-0.038.0-10.518.0-20.0
Cu:1.0-3.0
304MN
0.03-0.060.02-0.061.8-2.5≤0.040≤0.0129.0-10.018.0-19.0≤0.6Cu:≤0.6
304CU
≤0.03≤1.0≤2.0≤0.040≤0.038.0-1017.0-19.0≤0.6Cu:3.0~4.0
304H
0.067.08≤1.0≤2.0≤0.040≤0.038.0-9.018.0-20.0≤0.6Cu:≤0.6,N: ≤0.08
304H1
0.06-0.08≤1.0≤2.0≤0.040≤0.038.0-9.018.0-20.0≤0.6Cu:≤0.6
304HD
«0.050.25-0.551.6-2.0≤ 0.035≤0.0158.5~8.918.0-18.5
Cu:≤.5-2.0,Tol AI:≤0.015
304HC
≤0.06≤1.0≤2.0≤0.045≤0.038.0~10.518.0-20.0
Cu:1.0~3.0,N:≤0.08


Application for 304 stainless steel wire:

304: Kitchen appliance and generally purposo

304M: Twister,kitchen appliance,screw cap,wire netting

304MD: DDM use

304MA: Non-magnetism

304MN: The 304m after added content of Mn

304CU: Cross bolt,screw

304H: Steel wire,spring,tight wire,chains

304H1: Steel wire,spring,tight wire,chains

304HD: Preliminary cold heading

304HC: Cold heading(hexagon bolt)


Steel grade
Physical Property



Y.ST.SEL.HRB
3042205866369
304M2255605572
304MD2105756272
304MA2255907579
304MN



304CU19050556
304H3125905572
304H12356106475
304HD2125407585
304HC2255106265


Factory advantages:

We have 7 advanced electric furnace production lines, and the rolling is up and down synchronization
20000 tons annual capacity, wire OD range is 0.15-16mm, and covers the most materials
Raw materials come from well-known factories with guaranteed quality
The staff are skilled in operation, adjust the mold and pull line once, and the yield is high
Strict quality inspection, four quality inspections from online to offline
Strict compliance with international standards such as ASTM, DIN, GTB, JIS, JSG, etc. We can also customize shaped and non-standard wires according to customer requirements.

Quality Control

Production process of stainless steel wire

Why Choose MTSCO?

Factory Complex

Provide you with cost-effective products and professional services.

One stop procurement of wire products

Leave the complexity to Mtsco and the simplicity to you.

After the test of time for 18 years

Whether the products, services, capital and strength, Mtsco is your optimum partner.

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