Spring steel strip Steel grade 65Mn,1065,SAE1055,1045,CK50,CK55, CK60,CK67, CK70,CK75, C75Cr1,50CrV4, 51CrV4, 60Si2Mn, etc Thickness 0.08-4.0mm Width 3-400mm Hardness <200HV, 200-300HV, 300-550HV Edge slit edge; both rounded; one side round, one side slit; square etc Surface polished (blue, yellow, white, grey-blue, black, bright) or Nature etc Tolerance thickness +/-0.01mm max; width +/-0.05mm max Physical propety Tensile strength: 450-1850N/mm2
Spring steel strip Steel grade 65Mn,1065,SAE1055,1045,CK50,CK55, CK60,CK67, CK70,CK75, C75Cr1,50CrV4, 51CrV4, 60Si2Mn, etc Thickness 0.08-4.0mm Width 3-400mm Hardness <200HV, 200-300HV, 300-550HV Edge slit edge; both rounded; one side round, one side slit; square etc Surface polished (blue, yellow, white, grey-blue, black, bright) or Nature etc Tolerance thickness +/-0.01mm max; width +/-0.05mm max Physical propety Tensile strength: 450-1850N/mm2
Surface Color Blue Material Grade 65Mn 50# Hardness 43-49HRC Width 30-300mm, 0.2 Thickness 0.27-2.5mm , 0.03 Weight Width 1.4*45mm 70-100KGS; Width 100mm 150-170KGS; Width 150-200mm 250KGS. Edge Round/cutting Package Waterproof paper inside,then plastic film,finally hessian cloth or corrugated or carton.wood pallet or iron
Material Grade CK50,CK67,CK75, CK95,51CrV4,75Cr1 ,SK5, SAE1070,SAE1074,C67S ,C75S etc. Condition hardened and tempered, cold rolled annealed Hardness 18-55HRC Surface polish-blue,gery-blue,polished bright golden etc. Thickness 0.08-3 mm Width 3-1500 mm Tolerance thickness+/-0.01mm max,width +/-0.05mm max Tensile strength 540-1575N/mm2
Product name:Roller Shutter Spring Heat Treatment 65Mn Carbon Steel Strip Thickness:0.27-2.5mm Width:30-300mm Usage:Making Tools Hardness:43--45 Coil ID:300mm Weight:100kg/coil Technique:Hot Rolled Surface Treatment:Polished Steel Grade:50# or 65Mn Thickness:1.2-2.0mm Standard:AiSi Certificate:API Certificate:ce Certificate:JIS Certificate:ISO9001 Tolerance:1% Processing Service:Welding Processing Service:Punching Processing Service:Cutting Processing Service:Bending Processing Service:Decoiling Delivery Time:15-21 days Place of Origin:CN;SHN Application:Making Tools Width:30--300mm Grade:50# 65Mn
Thickness Tolerance+/-0.01mm Width Tolerance +/-0.05mm Surface nature, blue, yellow, white, polished, white polished, bright, black Coils weight as your request MOQ 1 Ton Monthly capacity 500 Tons Package Standard Seaworthy Package Payment L/C, Western Union, D/P, D/A, T/T, Trade assurance Application band saw blade, rolling shutter spring, bricklayer trowel, plaster trowel, putty knives, scraper, power trowel blade, lawn trowel blade, shoe insole, flat spring, toy spring, spring baskets etc.
Thickness Tolerance +/-0.01mm Width Tolerance +/-0.05mm Surface nature, blue, yellow, white, polished, white polished, bright, black Coils weight as your request MOQ 1 Ton Monthly capacity 500 Tons Package Standard Seaworthy Package Payment L/C, Western Union, D/P, D/A, T/T, Trade assurance Application band saw blade, rolling shutter spring, bricklayer trowel, plaster trowel, putty knives, scraper, power trowel blade, lawn trowel blade, shoe insole, flat spring, toy spring, spring baskets etc.
Thickness Tolerance +/-0.01mm Width Tolerance +/-0.05mm Surface nature, blue, yellow, white, polished, white polished, bright, black Coils weight as your request MOQ 1 Ton Monthly capacity 500 Tons Package Standard Seaworthy Package Payment L/C, Western Union, D/P, D/A, T/T, Trade assurance Application band saw blade, rolling shutter spring, bricklayer trowel, plaster trowel, putty knives, scraper, power trowel blade, lawn trowel blade, shoe insole, flat spring, toy spring, spring baskets etc.
Material Grade CK50,CK67,CK75, CK95,51CrV4,75Cr1 ,SK5, SAE1070,SAE1074,C67S ,C75S etc. Condition hardened and tempered, cold rolled annealed Hardness 18-55HRC Surface polish-blue,gery-blue,polished brightï¼?golden etc. Thickness 0.08-3 mm Width 3-1500 mm Tolerance thickness+/-0.01mm max,width +/-0.05mm max Tensile strength 540-1575N/mm2
Product Name C67 hardened and tempered steel strips for shutter spring material CK67/CK75/C67S/C75S/C67/C75 Color blue polished,polished=bright,white,blue,yellow.etc Techinique cold rolled,annealed,heat treatment with hardened and tempered Hardness 44-48hrc Edge Rounded,Slitted Application band spring,rolling door spring,rolling shutter spring,rolling shuter accessories package each bundle with light oil and plastic film then wrapped in anti-rust paper with metallic pallet
Product Name rolling door shutter door steel strips C67 material CK67/CK75/C67S/C75S/C67/C75 Color blue polished,polished=bright,white,blue,yellow.etc Techinique cold rolled,annealed,heat treatment with hardened and tempered Hardness 44-48hrc Edge Rounded,Slitted Application band spring,rolling door spring,rolling shutter spring,rolling shuter accessories package each bundle with light oil and plastic film then wrapped in anti-rust paper with metallic pallet