Stainless Steel Wire

Austenitic / Duplex Steel / Nickel Alloy / Cobalt Alloy

Annealing and Soft High Elastic Chinese Supplier Stainless Steel Spring Wire 302/302HQ

302/304 stainless steel wire is the most widely used stainless steel wire due to its high corrosion resistance and good tensile strength.

It is a general-purpose stainless steel alloy, usually consisting of 18% chromium and 8% nickel. For spring applications, it is typically offered in the cold drawn condition. 302/304 springs have good strength at moderate temperatures up to 500°F. 302/304 is non-magnetic in the annealed condition, but the material in the spring condition is slightly magnetic due to some martensitic transformation during the drawing operation.

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Annealing and Soft High Elastic  Chinese Supplier Stainless Steel Spring Wire 302/302HQ

Annealing and Soft High Elastic  Chinese Supplier Stainless Steel Spring Wire 302/302HQ


Material: Stainless Steel Wire
Grade: 300series (301, 302, 304, 304L, 304H, 304N, 304ES, 316L, 321...) 130M, 200CU, 201CU, 202, , 410, 420, 430,etc
Standard: ASTM A580, JIS G4309, EN 10088-3, GB/T4240, etc
Size: φ0.15mm-φ16mm; or according to customers' requests
Surface: Bright, matte ,downy, electrolysis bright ,cloudy ,plain ,black,etc
Condition: Annealed and Soft, 1/2 hard, 3/4 hard and full hard
Type: Spring Wire (B-SPR/D-SPR)

Packing: Woven bag, core, wooden reel, etc


302/304 stainless steel wire is the most widely used stainless steel wire due to its high corrosion resistance and good tensile strength.

It is a general-purpose stainless steel alloy, usually consisting of 18% chromium and 8% nickel. For spring applications, it is typically offered in the cold drawn condition. 302/304 springs have good strength at moderate temperatures up to 500°F. 302/304 is non-magnetic in the annealed condition, but the material in the spring condition is slightly magnetic due to some martensitic transformation during the drawing operation. The higher the cold reduction, the higher the degree of magnetism.


Steel GradeDINChemical composition
CSiMnPSNiCrMoOther composition
302WNr1.6900≤0.15≤1.0≤2.0≤ 0.045≤0.038.0-1017.0-19.0≤0.6Cu:≤1.0
3021A
≤0.15≤1.0≤2.0≤ 0.045≤0.038.0-1017.0-19.0≤0.6
XM7(302HQ)WNr1.4587≤0.08≤1.0≤2.0≤0.045≤0.038.5-10.517.0-19.0
Cu:3.0-4.0


IMG_20220831_135325.jpgIMG_20220831_140852.jpg


Application for 316 stainless steel wire:

302: High-Quality Springs

3021A: Tight Wire

XM7(302HQ): Cross Bolt,Screw


Steel GradePhysical Property
Y.ST.SEL.HRB
3022486276278
3021A22760055
XM7(302HQ)1804805660


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. Our factory is well-equipped and our products conform to ASTM, DIN, GTB, JIS, JSG, and other international standards. We have experienced foreign trade staff with high-quality service and can produce high-quality products according to customers' requirements.


Prouction Process:

Wire→Rod→Inspection→Surface Coating→Drawing (surface treatment:bright/matte)→Annealing→Inspection→Packing→Finished Wire




Manufacturing Experience

Plant Area

Max Diameter of Welded Pipe

Annealing Furnace Length

What Grades Can We Provide?

Nickel Alloy
NI-MO: N10001,N10665,N10675...
NI-CR-MO: N10276,N06022,N06035,N06455,N06002...
NI-CR-MO-CU: N06030,N06200,N08031,N08825,N08020...
NICR-MO-W: N06230...
NICKEL: N02200,N02201...
NI-CU: N04400,N05500...
NI-CR-FE: N06600,N06601,N06690,N08800,N08810,N08811...
NI-CR-MO-NB: N06625,N07718...

Austenitic
304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L...

Duplex Steel
31803, 32205, 32750, 32760...

Cobalt Alloy
Alloy 188/ UNS R30188, Alloy L-605/ UNS R30605, Alloy S-816, Alloy 6B, UMCo50, FSX-414, MP-159...

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