SUS201 Stainless Steel Welded Pipe | 1.4372, 1Cr17Mn6Ni5N Welded Stainless Steel Tube

Cost-effective austenitic stainless steel, lower material cost than 304 grade
Good surface brightness, supports 2B, HL, 8K mirror & PVD color finishes
Excellent formability and weldability for decorative fabrication
Available in round, square and rectangular profiles for flexible design
Suitable for indoor decorative applications with basic anti-rust performance

Product Overview

SUS201 Stainless Steel Welded Pipe, equivalent material grade 1.4372 and GB grade 1Cr17Mn6Ni5N, is manufactured from SUS201 stainless steel strip by high-frequency welding process. It belongs to low-nickel austenitic stainless steel, designed mainly for decorative usage.

This 201 welded stainless tube covers round, square and rectangular shapes. A variety of surface finishes are available, including original 2B finish, HL hairline, 8K mirror polishing, plus PVD coating for black titanium, rose gold and bronze color options.

Manufactured to GB/T12770 and ASTM A554 standards, SUS201 (1.4372,1Cr17Mn6Ni5N) welded pipe is widely used for building guardrails, stair handrails, door & window frames, advertising brackets, furniture hardware, curtain wall decoration and landscape sculpture. It delivers adequate corrosion resistance for indoor environments, while offering obvious price advantage compared to 304 stainless welded pipe.

Stainless Steel Welded Steel Pipe

Chemical & Mechanical Property Snapshot

Grade	C Max	Cr	Ni	Mn	Yield Strength (MPa) Min	Tensile Strength (MPa) Min	Elongation (%) Min	Hardness HV Max
SUS201 (1.4372,1Cr17Mn6Ni5N)	0.15	16.0–18.0	3.5–5.5	5.5–7.5	275	520	40	230

Detailed Technical Specifications

Item	Technical Specification
Product Name	SUS201 Stainless Steel Welded Steel Pipe
Product Type	High-Frequency Welded Stainless Steel Tube/Pipe
Grade	SUS201, 1.4372, 1Cr17Mn6Ni5N
Manufacturing Process	SUS201 stainless steel strip + high-frequency welding
Standard	GB/T 12770; ASTM A554; EN 10296
Shape	Round Tube, Square Tube, Rectangular Tube
Decorative Round Tube OD	6-325 mm
Decorative Square Tube	10×10 – 200×200 mm
Decorative Rectangular Tube	20×10 – 250×150 mm
Wall Thickness	0.4-6.0 mm
Surface Finishes	2B original finish; 8K mirror; HL hairline
PVD Finishes	Black titanium; rose gold; bronze
Applications	Building guardrails; stair handrails; door/window frames; advertising supports; furniture hardware; curtain-wall decoration; landscape sculpture frameworks
Inspection	Visual inspection; dimensional inspection; weld seam testing
Quality Documentation	Mill Test Certificate for each batch
Packaging Protection	Protective plastic film
Export Packaging	Seaworthy export packaging
MOQ	5 Ton
Payment Terms	T/T, L/C at Sight
Delivery Time	7–15 working days after receiving deposit
Package	Waterproof paper + galvanized steel strap + seaworthy export wooden pallet

Shape Section

Item	Shape Description	Application Notes
Round Welded Tube	Circular hollow welded stainless steel tube	Standard stock for decorative & sanitary service
Square Welded Tube	Hollow square welded profile	Mainly used for architectural decoration and handrail frames
Rectangular Welded Tube	Hollow rectangular welded profile	Construction, furniture, curtain wall frameworks
Special Custom Shape	Oval / Elliptical welded tube	Custom order for special decoration, with longer lead time

Dimension Section

Tube Type	Shape	Outer Dimension	Wall Thickness
Decorative Stainless Steel Welded Tube	Round Tube	OD 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 19 mm, 22 mm, 25 mm, 28 mm, 32 mm, 38 mm, 42 mm, 48 mm, 51 mm, 63 mm, 76 mm, 89 mm, 102 mm, 114 mm, 127 mm, 141 mm, 168 mm, 219 mm, 273 mm, 325 mm	0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm
Decorative Stainless Steel Welded Tube	Square Tube	10×10 mm, 12×12 mm, 15×15 mm, 20×20 mm, 25×25 mm, 30×30 mm, 38×38 mm, 40×40 mm, 50×50 mm, 60×60 mm, 75×75 mm, 80×80 mm, 100×100 mm, 120×120 mm, 150×150 mm, 180×180 mm, 200×200 mm	0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm
Decorative Stainless Steel Welded Tube	Rectangular Tube	20×10 mm, 25×10 mm, 30×15 mm, 40×20 mm, 50×25 mm, 60×30 mm, 70×40 mm, 80×40 mm, 90×50 mm, 100×50 mm, 120×60 mm, 150×80 mm, 200×100 mm, 250×150 mm	0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm
Sanitary Stainless Steel Welded Tube	Round Tube	OD 12.7 mm, 19 mm, 25.4 mm, 32 mm, 38.1 mm, 50.8 mm	0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm

Product Comparison Table

AISI/ASTM Grade	EN Material No.	EN Chemical Designation	JIS SUS Grade	GB Grade	Steel Type	Core Feature	Typical Application
201	1.4372	—	SUS201	1Cr17Mn6Ni5N	Austenitic	Low nickel, cost-effective	Indoor decoration, handrails

App Market

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What is SUS201 stainless welded pipe equivalent grade?

SUS201 is equivalent to 1.4372 in EN standard and GB grade 1Cr17Mn6Ni5N. It is low-nickel austenitic stainless steel.

Can SUS201 welded pipe be used for outdoor projects?

SUS201 (1.4372,1Cr17Mn6Ni5N) has limited corrosion resistance. We recommend indoor usage only; coastal or heavy rain outdoor scenarios are not suggested.

What shapes of SUS201 welded tube can you supply?

We supply round, square and rectangular SUS201 stainless welded pipe. Multiple surface finishes and PVD color coating are available.

What is the MOQ for SUS201 stainless welded pipe?

The minimum order quantity is 5 tons.

What standards does your SUS201 welded pipe comply with?

Our SUS201 welded pipe meets GB/T12770, ASTM A554 and EN10296 standards, each batch with MTC mill test certificate.

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SUS201 Stainless Steel Welded Pipe | 1.4372, 1Cr17Mn6Ni5N Welded Stainless Steel Tube