ASTM 304/316/431 Stainless Steel Seamless Square Pipe

ASTM 304/316/431 Stainless Steel Seamless Square Pipe

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Payment Type:	L/C,T/T,D/P,Paypal,D/A
Incoterm:	FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery,DAF,DES
Transportation:	Ocean,Air,Land,Express

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Model No.: ASTM201/202/204/301/302/303/304/309/310/316/317/321/347/403/405/409/410/420/430/431/434/440/444/446

Brand: Xinsuju

Standard: Jis, Aisi, Astm, Gb, Din, En

Place Of Origin: China

Species: Seamless

Material: 200 Series, 300 Series, 400 Series, 600 Series

Certification: Rohs, Iso, Ibr, Bv, Sgs

Weld Shape: Seamless

Tolerance: ±1%

Processing Service: Bending, Welding, Decoiling, Punching, Cutting, Moulding

Length: 5.8-12m, or customized

Packaging & Delivery

Selling Units	:	Kilogram
Package Type	:	Standard export packing
Picture Example	:

square pipe

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Product Description

Chemical Properties of Frequently-used Stainless Steel Material Grade
UNS	ASTM	EN	JIS	C%	Mn%	P%	S%	Si%	Cr%	Ni%	Mo%
S20100	201	1.4372	SUS201	≤0.15	5.5-7.5	≤0.06	≤0.03	≤1.00	16.0-18.0	3.5-5.5	-
S20200	202	1.4373	SUS202	≤0.15	7.5-10.0	≤0.06	≤0.03	≤1.00	17.0-19.0	4.0-6.0	-
S30100	301	1.4319	SUS301	≤0.15	≤2.00	≤0.045	≤0.03	≤1.00	16.0-18.0	6.0-8.0	-
S30400	304	1.4301	SUS304	≤0.08	≤2.00	≤0.045	≤0.03	≤0.75	18.0-20.0	8.0-10.5	-
S30403	304L	1.4306	SUS304L	≤0.03	≤2.00	≤0.045	≤0.03	≤0.75	18.0-20.0	8.0-12.0	-
S30908	309S	1.4833	SUS309S	≤0.08	≤2.00	≤0.045	≤0.03	≤0.75	22.0-24.0	12.0-15.0	-
S31008	310S	1.4845	SUS310S	≤0.08	≤2.00	≤0.045	≤0.03	≤1.50	24.0-26.0	19.0-22.0	-
S31600	316	1.4401	SUS316	≤0.08	≤2.00	≤0.045	≤0.03	≤0.75	16.0-18.0	10.0-14.0	2.0-3.0
S31603	316L	1.4404	SUS316L	≤0.03	≤2.00	≤0.045	≤0.03	≤0.75	16.0-18.0	10.0-14.0	2.0-3.0
S31703	317L	1.4438	SUS317L	≤0.03	≤2.00	≤0.045	≤0.03	≤0.75	18.0-20.0	11.0-15.0	3.0-4.0
S32100	321	1.4541	SUS321	≤0.08	≤2.00	≤0.045	≤0.03	≤0.75	17.0-19.0	9.0-12.0	-
S34700	347	1.455	SUS347	≤0.08	≤2.00	≤0.045	≤0.03	≤0.75	17.0-19.0	9.0-13.0	-
S40500	405	1.4002	SUS405	≤0.08	≤1.00	≤0.04	≤0.03	≤1.00	11.5-14.5	≤0.60	-
S40900	409	1.4512	SUS409	≤0.08	≤1.00	≤0.045	≤0.03	≤1.00	10.5-11.75	≤0.50	-
S43000	430	1.4016	SUS430	≤0.12	≤1.00	≤0.040	≤0.03	≤0.75	16.0-18.0	≤0.60	-
S43400	434	1.4113	SUS434	≤0.12	≤1.00	≤0.040	≤0.03	≤1.00	16.0-18.0	-	-
S44400	444	1.4521	SUS444L	≤0.025	≤1.00	≤0.045	≤0.03	≤1.00	17.5-19.5	≤1.00	-
S40300	403	-	SUS403	≤0.15	5.5-7.5	≤0.04	≤0.03	≤0.50	11.5-13.0	≤0.60	-
S410000	410	1.40006	SUS410	≤0.15	≤1.00	≤0.035	≤0.03	≤1.00	11.5-13.5	≤0.60	≤1.00
S42000	420	1.4021	SUS420J1	0.16~0.25	≤1.00	≤0.04	≤0.03	≤1.00	12.0-14.0	≤0.75	≤1.00
S440A	440A	1.4028	SUS440A	0.60~0.75	≤1.00	≤0.04	≤0.03	≤1.00	16.0-18.0	-	≤0.75
S32750	SAD2507	1.441		≤0.03	≤1.2	≤0.035	≤0.02	≤0.80	24.0-26.0	6.0-8.0	3.0-5.0
S31803	SAF2205	1.4462		≤0.03	≤2.0	≤0.03	≤0.02	≤1.00	21.0-23.0	4.0-6.5	2.5-3.5
N08904	904L	1.4539		≤0.0.3	≤2.0	≤0.035	≤0.03	≤1.00	18.0-20.0	23.0-25.0	3.0-4.0

Our advantages:

1.We are the specialized supplier of stainless steel materials, can provide the best price!

2.We have more than 20 years experience in exporting products to worldwide countries, can provide the high quality products!

3.We have five thousand tons of stock in warehouses with abundant capital. Furthermore, we offer charge sales, credit and 7-day 24-hour services.

4.Wide excellent experiences with after-sale service.

5.Every process will be checked by responsible QC which insures every product's quality.

6.Professional packing teams which keep every packing safely.

7.Trial order can be done in one week.

8.Samples can be provided as your requirements.

Other products:

Seamless Stainless Steel Pipe,Galvanized Coil, Aluminium Alloy Pipe, ect.

Company Overview

Shandong Xinsuju Steel Co., Ltd. was founded on April 11th, 2018. The company is located in Liaocheng City, Shandong Province, which is the largest steel pipe production base in China. It is a large-scale enterprise that produces and sells stainless steel hot-dip galvanized steel pipe, Galvanized square tube , Rectangle steel pipe , Round steel pipe, Spiral steel pipe, oil casing, sheet coil, stainless steel pipe , stainless steel tube and other pipe products. Standing by our slogan [Committed to quality, Committed to You" can best be shown through our reputation, with an annual production and sales of 1.5 million tons,having a complete pre-sale, sale, after-sales service system, with our delivery system all products are assured to reach on time and in perfect condition, In line with the principle of customer first, to seek development by reputation, to serve for the purpose. With flexible mechanism, We adapt to the changes of the market and pay attention to credit, and abide by the contract. Our markets mainly are Middle & South America, Southeast Asia, the Middle East and Africa, covering nearly 30 countries and obtaining a well-deserved reputation from clients around the world. We have built long-term cooperation with many clients and have received wide acclaim. In the future, our company will continue to stabilize the development of enterprises,and better serve global customers .we are sincerely expecting to cooperate with you!

Company Photos

Production Photos

Product Description

Square tube is a term for square and rectangular pipes, which refers to steel pipes with equal and unequal sides. It is made of rolled strip steel through process treatment. Generally, strip steel is unpacked, flattened, crimped, welded to form a circular tube, then rolled into a square tube and cut to the desired length. Square tube also known as square and rectangular cold formed hollow steel sections, abbreviated as square and rectangular tubes.

Specification and model

Square pipe （mm）		Rectangular pipe （mm）
16×16×0.4～1.5	250×250×6.0～30.0	10×20×0.6～1.5	120×80×2.5～10.0
18×18×0.4～1.5	280×280×6.0～30.0	14×21×0.6～1.5	150×100×2.5～12.0
20×20×0.4～1.5	300×300×8.0～30.0	15×30×1.5～1.5	180×150×2.5～12.0
25×25×0.6～2.0	320×320×8.0～30.0	15×38×0.6～1.5	200×100×4～12.0
30×30×0.6～4.0	350×350×8.0～30.0	20×30×0.6～2.0	200×150×4～12.0
34×34×1.0～2.0	380×380×8.0～30.0	20×40×0.8～2.0	250×150×6～12.0
35×35×1.0～4.0	400×400×8.0～30.0	20×50×1.0～2.0	250×100×6～12.0
38×38×1.0～4.0	420×420×10.0～30.0	22×35×0.9～2.0	250×200×6～30.0
40×40×1.0～4.5	450×450×10.0～30.0	25×40×0.9～3.75	300×150×6～30.0
44×44×1.0～4.5	480×480×10.0～30.0	25×65×1.0～2.0	300×200×6～30.0
45×45×1.0～5.0	500×500×10.0～30.0	30×40×1.0～3.75	300×250×6～30.0
50×50×1.0～5.0		30×45×1.0～3.75	400×250×8～30.0
60×60×1.5～5.0		30×50×1.0～4.0	400×300×8～30.0
70×70×2.0～6.0		30×60×1.0～4.5	450×200×8～30.0
75×75×2.0～6.0		40×50×1.0～4.5	450×250×8～30.0
80×80×2.0～6.0		40×60×1.0～5.0	400×300×8～30.0
85×85×2.0～6.0		40×80×1.5～5.0	400×350×8～30.0
95×95×2.0～8.0		40×100×2.0～5.0	500×200×10～30.0
100×100×2.0～8.0		50×60×2.0～5.0	500×250×10～30.0
120×120×4.0～8.0		50×80×2.0～5.0	500×300×10～30.0
150×150×6.0～10.0		50×100×2.0～8.0	500×350×10～30.0
180×180×6.0～12.0		60×80×2.0～6.0	500×400×10～30.0
200×200×6.0～30.0		80×100×2.0～8.0	500×450×10～30.0
220×220×6.0～30.0		120×60×2.5～10.0