Rolling door spring

Product Detail

Surface treatment:blue gray blueShutter Spring Size - 1.5mm:1.50 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm
Supply capacity:600 tons per monthShutter Spring Size - 1.2mm:1.20mm×40/45/50/55/60/70/80mm
standard:CNport:Whampoa
application:rolling shutter springPackaging 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 - 1.4mm:1.40mm×40/45/50/55/60/70/80mmdelivery time:15-21 days
To oil or not to oil:lightly oiledtolerant:±15%
Certificate:ISO9001Steel grade:sae1070, ck67 C67 C75 C80
grade:CK67 C67S SAE1070 SAE1075 C80SPackage preview:
Shutter Spring Size - 1.3mm:1.30mm×40/45/50/55/60/70/80mmOrigin:China
technology:Quenching and Temperingpayment terms:wire transfer
Shutter Spring Size - 1.6mm:1.60 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mmShutter Spring Size - 1.0mm:1.00 mm x 40/45/50/55/60/70/80 mm

 

 

 

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

 

CK67 C67 C75 CK75 C80 Roller shutter steel spring

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 rolling door industry for their durability and reliability.3000 cyclesScroll up and down each 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 of 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
50×1.25
40×1.40
60×1.50
55×1.50
70×1.60
 

 

 

 

We also supply rolling door accessories such as locks, hooks, chains, spring boxes, etc.

 

 

 

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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