304 stainless steel tube suppliers

Product description

Stainless steel pipe is a hollow long round steel, which is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments, and mechanical structural parts. In addition, when the bending and torsional strengths are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used in furniture and kitchen utensils.

304 stainless steel tube suppliers

Material classification

Stainless steel pipes are divided into ordinary carbon steel pipes, high-quality carbon structural steel pipes, alloy structural pipes, alloy steel pipes, bearing steel pipes, stainless steel pipes, and bimetallic composite pipes, plated and coated pipes to save precious metals and meet special requirements. There are many types of stainless steel pipes, with different uses, different technical requirements, and different production methods. The outer diameter of the steel pipes currently produced ranges from 0.1 to 4500 mm, and the wall thickness ranges from 0.01 to 250 mm. In order to distinguish their characteristics, steel pipes are usually classified according to the following methods.


Application Scope

Stainless steel pipe is an economical cross-section steel material and an important product in the steel industry. It can be widely used in life decoration and industry. Many people on the market use it to make stair handrails, window guards, railings, furniture, etc. The most common materials are 201 and 304.


Generated stainless steel specifications and models

SpecificationSpecificationSpecification
6-12×1.5-2.573×4-4.5-5-6-7-8-9-10-12-15219×30-40
14×1.5-2.5-376×4-4.5-5-6-7-8-9-10-12-14245×8-10-14-17-20-22
16×1.5-2.5-483×4.5-5-10245×25-28-30-34-40
18×2.3-4-589×4.5-8-10273×7-9-12-15-18-20-25
20×2.5-3-595×4.5-6-8273×30-35-38-40
24×2.5-3-4-5-6102×4.5-5-6-10-12-14-16-20299×8-12-16-20-24-28
25×2.5-3-4-5-6108×4.5-5-14-18-20-22299×30-32-36-38-40
28×3-3.5-4-5-6114×4.5-5-6-7-8-10-12-14-18-20325×8-12-14-18-38
32×3.5-4-5-6-8121×4.5-5-6-7-8-10-12-14-16-20325×28-32-34-38
34×4-5-6-8127×4.5-5-6-7-8-10-12-14-16-20351×10-16-20-25-40
36×3.5-5-6-8133×4.5-6-8-12-14-16-18-20-25-30355×6-18-20-25-30-40
38×4-5-6-7-8-9-10140×5-6-7-8-9377×8-12-15-20-24-28
39×3.5-5-8-10146×4.5-6-8377×30-37-40
42×3.5-4-5-6-7-8-9-10152×4.5-6-402×10-20-25-30-35
45×3.5-4-5-6-7-8-9159×4.5-6-10-12-14406×10
48×3.5-4-5-6-7-8-9-10159×16-18426×10
51×3.5-4-5-6-7-8-9-10168×8-25-30-35450×10-20-25-34-40
56×3.5-4-5-6-7-8-9-10180×8-12-16-25-30480×25-30-40
57×3.5-5-6-7-8-9-10-12180×32-34-38-40500×10-34-40-45
60×3.5-4.5-5-6-7-8-9-12-14194×6-8-25-30-40510×10-25-34-40-45
63×3.5-4.5-5-6-7-8-9-10-12-14203×6-7-10-15-20-25-30530×20-30-40
68×4-4.5-5-6-7-8-9-10-12-14-16203×32-36-40560-720*6-10-24-45
70×4-4.5-5-6-7-8-9-10-12-15-16219×6-8-12-16-18-20-25


Implementation standard

GB/T14976-2012 Seamless stainless steel pipe for fluid transportation

(Replace GB/T14976-2002, GB/T14976-1994, GB2270-1980)

GB/T14975-2012 Seamless stainless steel pipe for structure (Replace GB/T14975-2002)

GB13296-2013 Boiler tubes, stainless steel tubes for heat exchangers

(GJB2608-96)(YB676-73) Structural tubes and thick-walled seamless steel tubes for aviation

(GJB2296-95)(YB678-71) Stainless steel tubes for aviation

(YB/T679-97)(YB679-71) 18A hollow rivet thin-walled seamless steel tubes for aviation

(GJB2609-96)(YB680-71) Structural tubes and thin-walled seamless steel tubes for aviation

(YB/T681-97)(YB681-71) 20A thin-walled seamless steel tubes for aviation

GB3090-2000 Small diameter stainless steel tubes

GB5310-2017 Seamless steel tubes for high-pressure boilers

GB3087-2008 Low and medium pressure boiler tubes

GB3089-2008 Stainless acid-resistant ultra-thin-wall seamless steel pipe

GB9948-2013 Seamless steel for petroleum cracking

ASTM A213 Ferritic and austenitic alloy pipes for boilers and heat exchangers

ASTM A269 General purpose austenitic stainless steel pipes and welded pipes

ASTM A312 Austenitic stainless steel seamless steel pipes, welded steel pipes, welded pipes

ASTM A450 General requirements for carbon steel, ferritic and austenitic alloy steel pipes

ASTM A530 General requirements for ferritic and alloy steel for special purposes

ASTM A789 General requirements for carbon austenitic stainless steel seamless and welded steel pipes

JIS G3456-88 Stainless steel pipes for mechanical structures

JIS G3448-88 Stainless steel pipes for ordinary pipelines

JIS G3459-88 Stainless steel pipes for pipelines

JIS G3463-88 Stainless steel pipes for boilers and heat exchangers

Q/HYAD Seamless steel pipes for chemical industry

(0Cr18NI11T) Q/HYAD Cr18Ni5MO3Si2 duplex stainless steel seamless pipe

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Qingzhou Jianfu Gear Co., Ltd.

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