Harden Tempered Rolling Door Spring Steel C75 Steel Tape Manufacturer

• Standard: ASTM, JIS, GB, AISI, DIN, BS
• Surface Treatment: Polished
• Technique: Cold Rolled
• Application: Flange Plate
• Edge: Slit edge
• Stock: Stock
• Model NO.: HS-HT001
• Thickness Tolerance: +/-0.01mm
• Width Tolerance: +/-0.05mm
• Surface: Nature, Blue, Yellow, White, Black
• Coils Weight: as Your Request
• MOQ: 3 Tons
• Monthly Capacity: 1500 Tons
• Delivery Time: 30-35 Workdays
• Package: Standard Seaworthy Package
• Payment: D/P, D/a, T/T etc.
• Transport Package: Standard Seaworthy Package
• Specification: Customized
• Trademark: cgood
• Origin: Jiangxi
• HS Code: 7226920000
• Production Capacity: 1500 Tons/Month

Product Description

harden tempered rolling door spring steel C75 steel tape manufacturer

Product Description

Thickness Tolerance	+/-0.01mm
Width Tolerance	+/-0.05mm
Surface	nature, blue, yellow, white, polished, white polised, bright, black
Coils weight	as your request
MOQ	3 Tons
Delivery Time	Delivery Time 30-35 Workdays
Monthly capacity	1500 Tons
Package	Standard Seaworthy Package
Payment	L/C, Western Union, D/P, D/A, T/T, MoneyGram etc.
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.

 

Application

Common Size for rolling shutter door spring steel:
Thickness: 1.0-1.8mm
Width: 30/40/45/50/55/60/80mm etc.
Other OEM size is accepted
Hardness: 44-48HRC
Surface polish: blue
Edge: round

 

Chemical Composition
C75	Carbon	Manganese	Nickel	Silicon	Phosphorus	Sulfur	Chromium	Copper
	C	Mn	Ni	Si	P	S	Cr	Cu
	0.72~0.80	0.50~0.80	≤0.30	0.17~0.37	≤0.035	≤0.035	≤0.25	≤0.25

 

Mechanical Properties
C75	Tensile strength σb (MPa)	Yield strength σs (MPa)	Elongation δ5 (%)	Area shrinkage ψ (%)	Hardness HBS
					Unheated	Annealed
	≥1080	≥880	≥7	≥30	≤285	≤241

Company Profile

Packaging & Shipping

FAQ

1.Are you factory or trading company? Where is your location? Can I take a visit to your factory?
A: We are factory located in Jiangxi China. Warm welcome to visit our factory.

2. What size of steel strip do you produce?
A: We produce thickness from 0.15mm to 4mm, width from 2mm to 350mm.

3.How long is your delivery?
A: It depends on order quantity. Normally it takes 30-35 workdays for delivery.

4.What's your payment terms?
A: We accept 30% of amount as deposit, 70% balance before shipment.