Rolling shutter door accessories CK67 rolling shutter steel belt metal spring

Product Detail

Origin:ChinaShutter Spring Size - 1.4mm:1.40mm×40/45/50/55/60/70/80mm
Certificate:ISO9001Skin Pass:Yes
technology:Quenching and TemperingShutter Spring Size - 1.0mm:1.00 mm x 40/45/50/55/60/70/80 mm
grade:CK67 C67S SAE1070 SAE1075 C80STo oil or not to oil:lightly oiled
Shutter Spring Size - 1.6mm:1.60 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mmShutter Spring Size - 1.3mm:1.30mm×40/45/50/55/60/70/80mm
application:rolling shutter springSupply capacity:600 tons per month
Steel grade:sae1070, ck67 C67 C75 C80payment terms:wire transfer
port:WhampoaPackage preview:
standard:CNPackaging 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
delivery time:15-21 daysShutter Spring Size - 1.5mm:1.50 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm
Shutter Spring Size - 1.2mm:1.20mm×40/45/50/55/60/70/80mmSurface treatment:blue gray blue

 

 

sophieliang (at ) gdgwsteel.com WhatApp: 0086 13760759056 www.gdgwsteel.org

 

CK67 C67 C75 CK75 C80 Roller shutter spring steel strip quenched and tempered

 
Product Description

  

 

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

 

The dimensions of spring steel strips for shutters produced by Guangzhou Jiagang Co., Ltd. are as follows:

 

Quenched and tempered spring steel strips for roller blinds
C67S, c75s C80 grade,
blue surface,
round edge,
Hardness 44-48HRC,
 
Average steel size
 
60×1.60
50×1.50
65×1.20
60×1.0
80×1.40
45×1.50
60×1.20
55×1.0
65×1.40
60×1.30
55×1.20
50×1.0
60×1.40
55×1.30
50×1.20
45×1.0
55×1.40
50×1.30
45×1.20
40×1.0
50×1.40
45×1.30
40×1.20
30×1.0
45×1.40
40×1.30
35×1.20
50×1.6
40×1.40
40×1.6
70×1.6
50×1.25

 

 

 

Applications (rolling door springs):

 

 

 

Related Products

 

For more information, please click on the product below,

 

 

 
Production Process

Our Line Specifications

 

product name

Quenched and tempered steel strip/coil/sheet

Cold rolled annealed steel strip/coil/sheet

spring steel strip

High carbon steel strip

standard

EN, DIN, JIS, AISI, ASTM

type

Coil/Sheet/Sheet/Strip

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

situation

Tempering, annealing, cold rolling

thickness

0.10 mm to 5.00 mm

width

3mm to 1200mm

surface color

natural, blue, white, black, yellow, bright, polished

hardness

The annealing process is lower than 19HRC,

29-55HRC for quenching and tempering process,

Cold rolling process 21-28HRC

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

Coil weight

30kg - 2500kg

Coil ID

300-500MM or as required

 

 

 


 

 

 

 

 

 

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