For Spring Stainless Wire

Steel & Stainless WireFor Spring Stainless Wire Feature DSR's Stainless Steel Wire for Spring is supplying the Products with excellent mechanical properties (advanced surface, cast & helix) for a uniformity of goods following spring wire shape under the strict quality control with our technology from wire rod to final products, fulfilled with suitable coated treatment classified by the usages. Surface Finish & Applications Type Symbol Grade Dia(mm) S-CO WPA AISI 302, 304, 304N1, 316 0.20 ~ 7.00 WPB AISI 302, 304, 304N1 0.20 ~ 6.00 WPC AISI 631J1 0.20 ~ 4.00 Bright WPA AISI 302, 304, 304N1, 316 0.15 ~ 7.00 WPB AISI 302, 304, 304N1 0.15 ~ 6.00 Ni-Co WPA AISI 302, 304, 304N1, 316 0.20 ~ 1.60 WPB AISI 302, 304, 304N1 WPC AISI 631J1 Ni-Co Bright WPA AISI 302, 304, 304N1, 316 0.15 ~ 1.60 WPB AISI 302, 304, 304N1 Mechanical Properties Dia(mm) Tolerance(mm) Tensile Strength N/mm²(kgf/mm²) CLASS A CLASS B CLASS C AISI 302 - WPAAISI 304 - WPAAISI 316 - WPA AISI 302 - WPBAISI 304 - WPB AISI 631J1-WPC 0.16 ±0.005 1650 - 1900 2150 - 2400 1950 - 2200 0.18 0.20 0.23 ±0.008 1600 - 1850 2050 - 2300 1930 - 2180 0.26 0.29 0.32 0.35 0.40 0.45 ±0.010 1950 - 2200 1850 - 2100 0.50 0.55 0.60 0.65 1530 - 1780 1850 - 2100 1800 - 2050 0.70 0.80 0.90 ±0.015 1.00 1.20 1450 - 1700 1750 - 2000 1700 - 1950 1.40 1.60 1400 - 1650 1650 - 1900 1600 - 1850 1.80 ±0.020 2.00 2.30 1320 - 1570 1550 - 1800 1500 - 1750 2.60 2.90 1230 - 1480 1450 - 1700 1400 - 1650 3.20 3.50 ±0.030 4.00 4.50 1100 - 1350 1350 - 1600 - 5.00 5.50 6.00 6.50 ±0.035 1000 - 1250 - 7.00 Packing SPOOL Dia(mm) Packing (F X B X W : A) App. W/T(kg) 0.16 ~ 0.44 DIN 200 12 DIN 250 20 DIN 355 40 SH390 15 SH460 35 SH460 35 0.45 ~ 0.79 400x300x200(60) 50 450x300x240(60) 100 700x380x250(60) 250 0.80 ~ 1.59 500x400x300(60) 100 600x400x390(60) 300 700x380x250(60) 350 1.60 ~ 1.90 500x400x300(60) 100 600x400x390(60) 300 700x380x250(60) 350 1.91 ~ 4.00 500x400x300(60) 100 600x400x390(60) 300 750x380x480(130) 500 COIL Dia(mm) Coil I.D (Inch) App. W/T(kg) 0.20 ~ 0.30 8 10 0.30 over ~ 0.40 8 10 0.40 over ~ 0.50 8 ~ 10 10 0.50 ~ 0.80 12 20 ~ 25 0.80 ~ 0.90 16 25 ~ 35 0.90 over ~ 1.00 16 25 ~ 50 1.0 over ~ 1.80 16 25 ~ 50 1.80 over ~ 2.30 24 100 2.30 over ~ 4.00 24 100 ~ 200 4.00 over ~ 7.00 24 200 ~ 500 CAST & HELIX(PITCH) The most important thing to make high quality spring is how to control cast & helix. As our specifications are based on lots of customer's demands, we have ever made control of it as follows: Dia(mm) Coil I.D(Inch) Cast(mm) Helix(mm) 0.20 ~ 0.40 8 200 ~ 300 30 under 0.40 over ~ 0.50 8 200 ~ 300 10 250 ~ 370 0.50 ~ 0.80 12 300 ~ 450 0.80 ~ 0.90 16 400 ~ 600 0.90 over ~ 1.00 50 under 1.00 over ~ 1.80 1.80 over ~ 2.30 24 600 ~ 900 60 under 2.30 over ~ 7.00