rolling shutter spring
- $0.90 / >=1000 kilograms
- 1000 kilograms
- Guangzhou Cgoodsteel Co., Ltd.
- Guangdong, China
- Ms Cgood Steel
| grade: | CK67 C67S SAE1070 SAE1075 C80S | To oil or not to oil: | heavy oil |
| standard: | CN | Origin: | China |
| Steel grade: | sae1070, ck67 C67 C75 C80 | delivery time: | 15-21 days |
| Shutter Spring Size - 1.3mm: | 1.30mm×40/45/50/55/60/70/80mm | application: | rolling shutter spring |
| Shutter Spring Size - 1.2mm: | 1.20mm×40/45/50/55/60/70/80mm | Package preview: | |
| Shutter Spring Size - 1.5mm: | 1.50 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm | port: | Whampoa |
| Supply capacity: | 600 tons per month | payment terms: | wire transfer |
| Packaging Details: | Each bundle is wrapped with anti-rust paper and light oil, then wrapped with plastic film, and placed in a 20ft container on a metal pallet to meet standard sea shipping requirements | Shutter Spring Size - 1.6mm: | 1.60 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm |
| tolerant: | ±15% | Shutter Spring Size - 1.0mm: | 1.00 mm x 40/45/50/55/60/70/80 mm |
| technology: | Quenching and Tempering | Certificate: | ISO9001 |
| Shutter Spring Size - 1.4mm: | 1.40mm×40/45/50/55/60/70/80mm | Surface treatment: | blue gray blue, plain oiled |
sophieliang (at ) gdgwsteel.com WhatApp: 0086 13760759056 www.gdgwsteel.org
CK67 C67 C75 CK75 C80 Roller shutter spring steel strip quenched and tempered
Springs for balancing rolling shutters can be made of spring steel wire or flat spring steel strips. Flat spring steel strips are widely used in the roller blind industry due to their durability and 3000 up and down rolling times per year. Usually, it is cut into 3m, 3.5m, 5m, 5.5m, 6m from a large roll of flat spring. Flat spring steel strips for garage door springs, made of 0.65-0.75% carbon steel strips, have been quenched and tempered. Flat spring steel with blue tempering, long-term anti-corrosion and no rust.
We have many years experience in door spring steel strip production line, we can supply this material with professional quality and competitive price
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Quenched and tempered spring steel strips for roller blinds
C67S, c75s C80 grade,
blue surface,
round edge,
Hardness 44-48HRC,
Average steel size
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60×1.60
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50×1.50
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65×1.20
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60×1.0
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80×1.40
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45×1.50
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60×1.20
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55×1.0
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65×1.40
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60×1.30
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55×1.20
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50×1.0
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60×1.40
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55×1.30
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50×1.20
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45×1.0
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55×1.40
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50×1.30
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45×1.20
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40×1.0
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50×1.40
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45×1.30
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40×1.20
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30×1.0
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45×1.40
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40×1.30
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35×1.20
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50×1.6
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40×1.40
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40×1.6
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70×1.6
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50×1.25
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We also produce roller blind accessories such as locks, hooks, spring boxes, etc.
Applications (rolling door springs):
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Our Line Specifications
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product name |
Quenched and tempered steel strip/coil/sheet Cold rolled annealed steel strip/coil/sheet spring steel strip High carbon steel strip |
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standard |
EN, DIN, JIS, AISI, ASTM |
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type |
Coil/Sheet/Sheet/Strip |
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material grade |
C50S, C55S, C60S, C67S, C70S, C75S, C80S, C95S, 50CrV4, 51CrV4, 75Cr1, SK5, 60Si2Mn, SK5 (SK85), 65G sae1045, sae1050, sae1060, sae1065, sae1070, sae1 075, sae1095 C100S CK45, CK50 , CK55, CK60, CK67, CK70, CK75, 65Mn, 50#, 60#, T8, T10 Stainless steel: AISI 420, 430 |
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situation |
Tempering, annealing, cold rolling |
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thickness |
0.10 mm to 5.00 mm |
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width |
3mm to 1200mm |
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surface color |
natural, blue, white, black, yellow, bright, polished |
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hardness |
The annealing process is lower than 19HRC, 29-55HRC for quenching and tempering process, Cold rolling process 21-28HRC |
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edge |
Slit/trimmed edge, round edge, square edge |
| application |
Rolling shutter springs, band saw blades, steel springs, coil springs, masonry tools, construction tools, agricultural tools, auto parts, springs, Metal parts, washers, spacers, clips, pins, inserts |
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Coil weight |
30kg - 2500kg |
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Coil ID |
300-500MM or as required |
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