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ASTM A227 Cold Drawn Steel Wire for Mechanical Springs Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. Chemical composition C % Si% Mn% P % max. S % max. 0,45-0,85 0,15-0,35 0,30-1

JIS G 3521-91 SW-A (0.08-10.0mm) Static with low stress, or wire form SW-B (0.08-13.0mm) Mainly for static spring and screen SW-C (0.08-13.0mm) Mainly for static spring Chemical composition applicable (wt.%) C Mn P S Si 0.45-0.86 0.30-0.90 ≤0.035 ≤0.035 0.15-0.35 Tolerance of diameter Size range 1.60-2.00mm 2.01-3.20mm 3.21-5.50mm 5.51-6.00mm 6.01-8.50mm 8.51-13.00mm Tolerance ±0.030mm ±0.040mm ±0.050mm ±0.060mm ±0.060mm ±0.070mm Nominal Diameter Tensile Strength, MPa mm SW—A

BS EN 10207-1 C88D C88D2 High Carbon Spring Steel Wire C88D C88D2 High Carbon Spring Steel Wire Standard EN 10016-2: 1994 Non-alloy steel rods for drawing and/or cold rolling. Specific requirements for general purpose rod EN 10016-4: 1994 Non-alloy steel rods for drawing and/or cold rolling. Specific requirements for general purpose rod BS EN 10270-1 2011 Steel wire for mechanical springs Patented cold drawn unalloyed spring steel wire Grade : C88D2 Number: 1.1272 Classificat

ASTM A878 Modified Chromium Vanadium Valve Spring Quality Steel Wire A878 Alloy Spring Steel Wire Chemical composition Analysis, % Product Analysis Tolerance, % Cartoon 0.60-0.75 ±0.02 Manganese 0.50-0.90 ±0.03 Phosphorus 0.025 max 0.005 Sulfur 0.025 max 0.005 Silicon 0.15-0.30 ±0.02 Chromium 0.35-0.60 ±0.05 Vanadium 0.10-0.25 ±0.01 A878 Alloy Spring Steel Wire Supplying Size: Diameter: 5-40mm A878 Alloy Spring Steel Wire Dimensional tolerances Wire in coils The tolerances

BS EN DIN 56SiCr7 1.7106 Cold Rolled or Drawn Flat Alloy Steel Wire For Spring Grade : 56SiCr7 Number: 1.7106 Classification: Alloy special steel Standard: EN 10089: 2002 Hot rolled steels for quenched and tempered springs. Technical delivery conditions Equivalent Materials to EN 56SiCr7 DIN 1.7106 DIN 56SiCr7 AFNOR 56SiCr7 BS 251A58 EN 1.7106 Chemical composition % of steel 56SiCr7 (1.7106): EN 10089-2002 C Si Mn P S Cr - 0.52 - 0.6 1.6 - 2 0.7 - 1 max 0.025 max 0.025 0.2 -

JIS G3521 SWRH77B Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. SWRH77B Patented Spring Steel Wire Chemical

BS EN 10207-1 C68D C68D2 Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. Standard EN 10016-2: 1994 Non-alloy steel rods

BS EN 10207-1 C78D C78D2 Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. C78D C78D2 Patented Spring Steel Wire Standard

ASTM A805 Carbon Cold Rolled Flat Steel Wire For Spring ASTM A805 Chemical Composition Cast or Heat Analysis Element Standard Chemical Ranges and Limits, % When Maximum of Specified Element is Range Carbon to 0.15 incl 0.05 over 0.15 to 0.30 incl 0.06 over 0.30 to 0.40 incl 0.07 over 0.40 to 0.60 incl 0.08 over 0.60 to 0.80 incl 0.11 over 0.80 to 1.35 incl 0.14 Manganese to 0.50 incl 0.20 over 0.50 to 1.15 incl 0.30 over 1.15 to 1.65 incl 0.35 Phosphorus to 0.08 incl 0.03

JIS G3521 SWRH57A Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. Equivalent Materials DIN 1.0609DIN D 58-2DIN

BS EN 10207-1 C72D C72D2 Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. C72D C72D2 Patented Spring Steel Wire Standard

C82D C82D2 Spring Steel Wire EN 10016-2: 1994 Non-alloy steel rods for drawing and/or cold rolling. Specific requirements for general purpose rod EN 10016-4: 1994 Non-alloy steel rods for drawing and/or cold rolling. Specific requirements for general purpose rod BS EN 10270-1 2011 Steel wire for mechanical springs Patented cold drawn unalloyed spring steel wire Grade : C82D Number: 1.0626 Classification: Non-alloy steel Standard: EN 10016-2: 1995 Non-alloy steel rods for

JIS G3521 SWRH32 Patented Spring Steel Wire Supplying Size: Diameter:0.1-15mm Our Advantage 1. Stable linearity, good formability. Uniform and beautiful surface condition. 2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates. 3. Professional anti-rust protective packaging. On time delivery, competitive price. 4. Large stock available, no MOQ requirement. SWRH32 Patented Spring Steel Wire Chemical composition

BS EN 10270-2 56Si7 1.5026 Alloy Spring Steel Wire for mechanical springs Grade : 56Si7 Number: 1.5026 Classification: Alloy special steel Standard: EN 10132-4: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Spring steels and other applications EN 10089: 2002 Hot rolled steels for quenched and tempered springs. Technical delivery conditions Equivalent Materials to EN 56Si7 DIN 1.5026 DIN 55Si7 AFNOR 55S7 BS EN45 BS EN45 A BS 250A53 BS

75Cr1 High Carbon Spring Steel Introduction 75Cr1 is a high carbon steel with a carbon content between 0.74% and 0.80%. The addition of chromium facilitates the heat treatment process and allows higher hardness to be achieved than the standard C75 Carbon Steel. 75Cr1 carbon steel is a variation on En10132 C75, and US specification 1075. It is a high carbon steel strip grade supplied in either hardened and tempered or annealed condition. 75Cr1 carbon steel can be cut by laser

C85S 1.1269 Patented Spring Steel Strip C85S 1.1269 alloy cold rolled narrow steel strip in the patented condition in thicknesses between 0.3 mm and 5.00 mm for springs and for other special applications. Grade : C85S Number: 1.1269 Standard: EN 10132-4: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Spring steels and other applications Dimensions and tolerances Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm Width: 10 to 400

JIS G4802 SUP10-CSP Alloy Spring Steel Strip Grade : SUP10-CSP Classification: spring steel Standards: JIS G 4802 : Cold-rolled steel strip for springs Dimensions and tolerances Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm Width: 10 to 400 mm; Tolerances: +/- 0.15 to 0.60 *accept nonstandard size, please contact with our sales. Our Advantage 1. Precise thickness, uniform hardness. Bright surface, smooth edge. 2. High flatness of board surface, high performance

JIS G4802 SK95-CSP Patented Spring Steel Strip Grade : SK95-CSP Classification: Structural steel Standards: JIS G 4802 : Cold-rolled steel strip for springs Equivalent Materials DIN C100S, DIN Ck101, ANFOR C100RR, ANFOR XC100, UNI C100, JIS SK95-CSP, AISI 1095, UNS G10950 Dimensions and tolerances Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm Width: 10 to 400 mm; Tolerances: +/- 0.15 to 0.60 *accept nonstandard size, please contact with our sales. Our Advantage 1.

JIS G4802 S65C-CSP Patented Spring Steel Strip JIS S65C-CSP is CARBON STEEL, HIGH CARBON STEEL, STRUCTURAL STEEL. Grade : S65C-CSP Classification: Structural steel Standards: JIS G 4802 : Cold-rolled steel strip for springs Dimensions and tolerances Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm Width: 10 to 400 mm; Tolerances: +/- 0.15 to 0.60 *accept nonstandard size, please contact with our sales. Our Advantage 1. Precise thickness, uniform hardness. Bright

JIS G4802 S55C-CSP Patented Spring Steel Strip Grade : S55C-CSP Classification: Structural steel Standards: JIS G 4802 : Cold-rolled steel strip for springs Dimensions and tolerances Thickness: 0.1 to 5 mm; Tolerances: +/- 0.008 to 0.11 mm Width: 10 to 400 mm; Tolerances: +/- 0.15 to 0.60 *accept nonstandard size, please contact with our sales. Our Advantage 1. Precise thickness, uniform hardness. Bright surface, smooth edge. 2. High flatness of board surface, high performanc