Home » Flexible Metal Hose » Annular Corrugated Hose » Diameter 1/4inch To 1 1/4inch Stainless Steel Ss304 Ss316l Annular Corrugated Flexible Metal Hose in Coil

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Diameter 1/4inch To 1 1/4inch Stainless Steel Ss304 Ss316l Annular Corrugated Flexible Metal Hose in Coil

We offer stainless steel annular corrugated hose in coil form. Provide your required grade, dimensions and length per coil so we can review the specification.
  • 1/4"~1 1/4"

  • Fustar

  • 83071000

Availability:
Quantity:
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Coil Sizes & Specifications

Annular Hose Coil Dimensions and Bend Radii

Published Small-Bore Specifications

DN

Listed Inch Size

I.D(mm)

Bare Hose O.D(mm)

O.D With 1 Braid Layer(mm)

Pitch(mm)

Wall(mm)

Weight(kg/m)

12

1/2

12

18±0.3

21

4

0.25

0.20

15

5/8

15

21.5±0.3

24.5

4

0.28

0.32

18

11/16

18

25±0.3

28

4.5

0.28

0.36

20

3/4

20

28±0.3

33

4.5

0.28

0.38

25

1

24.4

32.5±0.3

35

4.5

0.28

0.50

32

1.25

32

41±0.3

45

5

0.28

0.60

Static and Dynamic Bend Radius Reference

DN

Static Minimum Radius(mm)

Dynamic Minimum Radius(mm)

Published Type

12

40

130

Annular

15

70

190

Annular

18

90

205

Annular

20

175

400

Annular

25

225

510

Annular

32

280

640

Annular

Confirm the Required Coil Length

The original table gives no numerical maximum length. State the required continuous length, quantity and acceptable joints in your enquiry.

Request confirmation of the actual supply limit and packaging dimensions before ordering.

Match the Data to the Selected Construction

Confirm the material, braid scope and weight basis for each size. Ask which bend-radius values apply to your operating duty.

Annular Construction & Forming

From Stainless Steel Strip to Corrugated Hose

Strip Forming and Longitudinal Welding

The published process begins with stainless steel strip formed into a tube and joined along its longitudinal seam.

Metal hose process illustration showing steel strip, a formed tube and a corrugated hose section

Annular and Helical Corrugation Profiles

Comparison of independent annular hose corrugations and a continuous helical corrugation

Hydroforming and Mechanical Forming

Illustration comparing stress distribution in hydroformed and mechanically formed hose corrugations

Request Evidence for Forming-Process Claims

The original text attributes benefits to hydroforming involving residual stress, wall-thickness consistency, work hardening, flexibility and cycle life.

Ask which process is used for the quoted construction and request supporting inspection or test information where these characteristics are required.

Related Helical Profiles

Extraflex and Hydraflex Profile Illustration

Extraflex and Hydraflex corrugation profile illustrations shown side by side

Keep the Manufacturing Routes Separate

The related text describes pre-forming strip, overlapping it and continuously resistance-welding the seam. It names one-ply Extraflex and a two-ply version written as Hydraflex or Hydroflex.

Confirm product naming, availability and technical scope before retaining this material on the live page.

Coil Ordering & FAQs

Annular Metal Hose Coil FAQs

Does the Table Cover the Full 1/4–1¼-Inch Range?

The table begins at DN12 and lists sizes through DN32. Request separate confirmation and specifications for the smaller size named in the title.

What Is the Maximum Continuous Coil Length?

No numerical limit is published. Submit the required length and ask for confirmation of continuity, joints and packaging.

Is Stainless Steel Braid Included?

The table includes an outside diameter with one braid layer, while the photographs show bare hose. Confirm the supplied construction in the quotation.

Is This Product Hydroformed?

The page discusses several forming methods without clearly assigning one to each listed size. Request the actual manufacturing specification.

What Should I Provide for a Quotation?

Send the material, diameters, wall thickness, pitch, continuous length, quantity, braid requirements and operating conditions.

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Currently, our products mainly include flexible metal hose, bellows expansion joint, corrugated pipe, metal compensator, fabric expansion joint, stainless steel braids, PTFE bellows, exhaust pipe and other products.

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