Spring steel (grey blue)
- FOB goods (1,000)
- $1,050,000
- Ocean freight + handling (3.0 CBM)
- $1,060
- US duty (3.0%)
- $31,500
- Section 301 tariff (25.0%)
- $262,500
- Customs fees (MPF/HMF)
- $1,947
Estimate in USD to a US port using category averages (HTS 7318/8302/8301), rates as of 2026-09. Other countries on request. A quote from our desk uses real carton sizes, freight and the exact tariff line.
- Service
- From $29 per supplier (Verify)
- You get
- Phone and video verification, a quote sheet and a written report
- Turnaround
- 3 business days
- Contact details
- Sent to you once your request is confirmed
If we can't reach the supplier within 3 business days, we refund the fee.
Spring steel (grey blue)
- FOB goods (1,000)
- $1,050,000
- Ocean freight + handling (3.0 CBM)
- $1,060
- US duty (3.0%)
- $31,500
- Section 301 tariff (25.0%)
- $262,500
- Customs fees (MPF/HMF)
- $1,947
Estimate in USD to a US port using category averages (HTS 7318/8302/8301), rates as of 2026-09. Other countries on request. A quote from our desk uses real carton sizes, freight and the exact tariff line.
- Service
- From $29 per supplier (Verify)
- You get
- Phone and video verification, a quote sheet and a written report
- Turnaround
- 3 business days
- Contact details
- Sent to you once your request is confirmed
If we can't reach the supplier within 3 business days, we refund the fee.
About this product
- Materials: 65MN/CK67/CK75
- Size: 1.4*30/35/40/45/50/55/60/70*3M/3.5M/4M/5M/5.5M/6M
- Color: Grey blue
- Exports to: Africa, Middle East, Southeast Asia, South Asia
- Made in: Jiangxi, China
About this product
- Materials: 65MN/CK67/CK75
- Size: 1.4*30/35/40/45/50/55/60/70*3M/3.5M/4M/5M/5.5M/6M
- Color: Grey blue
- Exports to: Africa, Middle East, Southeast Asia, South Asia
- Made in: Jiangxi, China
Product details
| Materials | 65MN/CK67/CK75 |
|---|---|
| Size | 1.4*30/35/40/45/50/55/60/70*3M/3.5M/4M/5M/5.5M/6M |
| Color | Grey blue |
From the supplier
1.Material:65MN/CK67/CK75
2.The hardness: HRC40-52depend on user demand.
3.Finish:grey blue
4.Edge: both edges round
5.Tolerance of thickness: +/-0.02mm, width: +/-0.1mm.
6.Technique:Hardened and Tempered.
7.Application: rolling shutter door
8.Packing:Anti-rust paper and light oil wrapperd in plastic film or hessians cloth with metallic pallets and put in 20ft or standard sea
worthy.
Delivery condition
(strip,coil,sheet)
Grade based on
DIN Standard
High quality heat treating steel strip, coil, sheet
supply capacity and condition
Hardness
Hardness 29-55HRC
annealed
hardened and tempered
thickness
Width
thickness
Width
Carbon steel
Q195/Q235/Q295/Q345
0.15-3.0MM
15-1250MM
/
/
High carbon steel
CK45,CK50,CK55, CK60,
CK67, CK70,CK75,
C75Cr1
0.15-2.7mm
8-1250mm
0.15-2.7mm
8-300mm
Alloy spring steel
50CrV4, 51CrV4,
60Si2Mn SK3 SK4 SK5 T8-T12
0.20-6mm
8-420mm
0.20-3.0mm
8-420mm
Stainless spring steel
3Cr13-6Cr13
0.20-3.0mm
8-1250mm
0.20-3.0mm
8-1250mm
Edge process
slit edge; both rounded; one side round, one side slit; square etc
Finish surface
polished (blue, yellow, white, grey-blue, black, bright) or Nature etc
Tolerance
thickness +/-0.01mm max; width +/-0.05mm max
Physical property
Tensile strength: 450-1850N/mm2
About the supplier
Main products: Other Doors and Windows Hardware,Other Construction Hardware
- ✓Exhibited at 10 of the last 10 Canton Fairs
- ✓Manufacturer
- ✓Founded 2013
- Exhibited at 10 of the last 10 Canton Fairs
- Manufacturer
- Founded 2013
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