GB/T 3089 Seamless Ultra-thin Wall Stainless Steel Tubes

Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of gb/t 3089 seamless ultra-thin wall stainless steel tubes in China, featured by quality products and low price. If you're going to wholesale durable gb/t 3089 seamless ultra-thin wall stainless steel tubes made in China, welcome to get pricelist and free sample from our factory.

 

Introduction

GB/T 3089 standard specifies the requirements for seamless ultra-thin wall stainless steel tube. GB/T 3089 standard covers five grades: S30408, S30403, S31608, S31603, S31668, and S32168. These steel grades belongs to Austenitic stainless steel. GB/T 3089 stainless steel tube is made by cold drawn process, which has smooth surface and good corrosion resistance, improving the service life of steel tubes. Due to its ultra-thin wall, GB/T 3089 stainless steel tube has lighter weight, which makes it suitable for the applications where lightweight design is required.

We can provide GB/T 3089 stainless steel tube that the minimum wall thickness is 0.5mm, and the outer diameter range is 7mm-250.8mm. Non-standard outer diameter stainless steel tube also can be supplied by us according to your requirements.

 

Specification

Product name	Ultra-thin Wall Seamless Stainless Steel Tubes
Place of origin	China
Standard	GB/T 3089
Relevant standard	ASTM A269 A312, GB/T14976, JISG 3463, etc.
Material grade	S30408, S30403, S31608, S31603, S31668, S32168
Technique	Cold drawn process
Outer diameter	7mm-250.8mm Non-standard can be accepted
Wall thickness	0.5mm-10mm Non-standard can be accepted
Length	0.8m-6m or customized length
Surface treatment	TR/HL/2B/BL/4K/8K or as per clients' requirements
Delivery condition	Heat treatment

 

Mechanical properties

Grade	Brand No.	Tensile strength,min(Mpa)	Elongation,min(%)
S30408	06Cr19Ni10	520	35
S30403	022Cr19Ni10	480	40
S31603	022Cr17Ni12Mo2	480	40
S31608	06Cr17Ni12Mo2	520	35
S31668	06Cr17Ni12Mo2Ti	540	35
S32168	06Cr18Ni11Ti	520	40

 

Tolerance on outer diameter

Outer diameter/mm	Tolerances/mm
	Common	Senior
≤12.4	±0.1	±0.08
12.4<OD≤32.4	±0.15	±0.1
32.4<OD≤60	±0.35	±0.25
>60	±1%OD	±0.75%OD

 

Tolerance on wall thickness

Outer diameter/mm	Wall thickness/mm	Tolerances/mm
		Common	Senior
≤60	0.5	±0.06	+0.05 -0.04
	0.6	±0.08	±0.05
>60	0.5	±0.06	±0.05
	0.6	±0.08	±0.05
	0.6<WT≤0.8	±0.1	±0.06
	0.8<WT≤1	±0.12	±0.08
	>1	±0.15	±0.1

 

Product show

Several surfaces of stainless steel tubes are available, such as bright and rough surface.

 

Applications

Due to its excellent mechanical performance and lightweight design, GB/T 3089 stainless steel tubes are widely used for various fields, such as automobile manufacturing, medical, food, and building decoration, etc.

1. Automobile manufacturing: Due to its high size precision, it is usually used for manufacturing of automobile components, such as exhaust systems, suspension systems, etc.

2. Building decoration: Used for materials of building decoration, such as stair handrails, the frames of door and windows, etc.

3. Medical and food fields: GB/T 3089 stainless steel tubes have good hygiene performance, which can meet the strict hygiene requirements of medical and food fields.

 

Our advantages

1. Large inventory: We have large inventory to meet your requirements. Here you can find the product you want.

2. Fast delivery: After receiving your detailed order, we can rapidly prepare goods from stock and we can also pick up goods from other famous brand factories. The goods will be shipped in a short time, the delivery is very fast.

3. Good surface quality: The surface of our stainless steel tubes is very beautiful, no rust, cracks or dent.

4. We can provide multiple surface treatments of stainless steel tubes according to your requirements. The surface treatment main include TR, HL, 2B, BL, 4K, 8K, etc.

5. Service in place: Customer first is our service tenet, we will do our best to meet your requirements.

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