• Cold Drawn Spring Steel Wire and Rod with High Quality
  • Cold Drawn Spring Steel Wire and Rod with High Quality
  • Cold Drawn Spring Steel Wire and Rod with High Quality
  • Cold Drawn Spring Steel Wire and Rod with High Quality
  • Cold Drawn Spring Steel Wire and Rod with High Quality
  • Cold Drawn Spring Steel Wire and Rod with High Quality

Cold Drawn Spring Steel Wire and Rod with High Quality

Type: Coil
Standard: AISI, ASTM, DIN, JIS, GB
Composition: Ferrous Steel Scrap
Technique: Cold Drawn
Shape: Rod
Surface Treatment: Smooth Surface
Customization:
Manufacturer/Factory, Trading Company

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Hunan, China
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Basic Info.

Model NO.
SUP6, SUP7, SUP10A
Special Use
Spring Steel Wire
Application
Spring Steel
Transport Package
Seaworth Packing
Specification
Round Bar: Dia2~420mm Flat Bar: 2~420 X 30~1500mm
Trademark
f
Origin
Huangshi, Hubei
HS Code
7228100000
Production Capacity
5000tons/Year

Product Description

DescriptionSpring Steel is typically used because of its' high yield strengths, resistance to deformation and its ability to return to its original shape.All Grades Comparison
GB ASTM JIS EN DIN
55 1055 / CK55 1.1204
60 1060 / CK60 1.1211
70 1070 / CK67 1.1231
75 1075 / CK75 1.1248
85 1086 SUP3 CK85 1.1269
T10A 1095 SK4 CK101 1.1274
65Mn 1066 / / /
60Si2Mn 9260 SUP6,SUP7 61SiCr7 60SiCr7
50CrVA 6150 SUP10A 51CrV4 1.8159
Quality StandardDIN 17222 Cold Rolled Steel Strips for Springs Technical Conditions of Delivery
BS EN 10132 Cold rolled narrow steel strip for heat treatment. Technical delivery conditionsChemical Composition(%)
Steel Grade C Mn Si P S Cr Ni B Cu Mo V
55 0.52-0.60 0.50-0.80 0.17-0.37 0.035 max 0.035 max 0.25 max 0.30 max / 0.25 max / /
65 0.62-0.70 0.50-0.80 0.17-0.37 0.035 max 0.035 max 0.25 max 0.25 max / 0.25 max / /
70 0.62-0.75 0.50-0.80 0.17-0.37 0.035 max 0.035 max 0.25 max 0.25 max / 0.25 max / /
75 0.72-0.80 0.50-0.80 0.17-0.37 0.035 max 0.035 max 0.25 max 0.30 max / 0.25 max / /
85 0.95-1.04 0.40 max 0.35 max 0.025 max 0.025 max / / / / / /
65Mn 0.62-0.70 0.90-1.20 0.17-0.37 0.035 max 0.035 max 0.25 max 0.25 max / 0.25 max / /
60Si2Mn 0.56-0.64 0.70-1.00 1.50-2.00 0.035 max 0.035 max 0.35 max 0.25 max / 0.25 max / /
50CrVA 0.46-0.54 0.50-0.80 0.17-0.37 0.025 max 0.025 max 0.80-1.10 0.35 max / 0.25 max / 0.10-0.20
Mechanical Properties(Quenched and Tempered Condition)(T=20°C if not differently stated)
Steel Grade Tensile Strength Rm (Mpa) Yield Strength Rp0.2 (Mpa) Elongation A5 (%) Area Reduction Ratio C (%)
65 980 min 785 min 9 min 35 min
70 1030 min 835 min 8 min 30 min
85 1130 min 980 min 6 min 30 min
65Mn 980 min 785 min 8 min 30 min
60Si2Mn 1275 min 1180 min 5 min 25 min
50CrVA 1275 min 1130 min 10 min 40 min
Delivery ConditionsCold Rolled only
Cold Rolled+Soft Annealed (G)
Cold Rolled+Soft Annealed+Cold Rolled (G+K)
Cold Rolled+Hardened+Tempered (H+A)Surface ConditionsGrey Blue (GR)
Bright (BK)
Polished (P)
Polished and Colour Tempered (P+AF)Heat Treatment
Steel Grade Quenching Temperature (°C)  Media Tempering Temperature (°C)
65 840 oil 500
70 830 oil 480
85 820 oil 480
65Mn 830 oil 540
60Si2Mn 870 oil 480
50CrVA 850 oil 500
Mill′s test certificate:EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
 Cold Drawn Spring Steel Wire and Rod with High QualityCold Drawn Spring Steel Wire and Rod with High QualityCold Drawn Spring Steel Wire and Rod with High QualityCold Drawn Spring Steel Wire and Rod with High Quality
 

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Manufacturer/Factory, Trading Company
Registered Capital
500000 RMB
Plant Area
>2000 square meters