Product Details

25mm 304 stainless steel square pipe

Product Description

Name	Welded 304 316 316L stainless steel square tube
Standard	ASTM A554, A249, A269 and A270, A312
Material Grade	201 ( Ni 0.8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%), 316L (Ni10%~14%),430
Outer Diameter	6mm--159mm
Thickness	0.3mm - 3.0mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
Application	Decoration construction, upholstery, industry instrument
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Mechanical Property	Material Item	201	202	304	316
	Tensile Strength	≥535	≥520	≥520	≥520
	Yield Strength	≥245	≥205	≥205	≥205
	Extension	≥30%	≥30%	≥35%	≥35%
	Hardness (HV)	<253	<253	<200	<200

The sizes of 25mm 304 stainless steel square pipe

Stainless steel tube material:304.304L.316.316L.321.310S
16*2	48*10	89*6-8-10	116*8	152*8-10	194*10
18*2	50*8-10-12	89*12-15	118*16	152*14-20	196*16-24
20*2	57*8-10	95*8-10	121*6-10	159*8-10	200*18
22*6.5	60*6-8	95*12-16-20	121*16-19	159*12-18	219*10-12-15
30*8	60*10-12	100*13	123*6-9	168*8-19	245*10
34*8	65*8-12	102*6-8	127*8-10	170*25	273*8
38*10	68*8-10	102*10-15	130*12-18	172*10-18	325*10-12
40*10	70*8	108*6-10	133*10-18	180*8-18	355*14
42*6-8-10	76*8-10-12	108*13-15	140*8-10-15	183*18	406*14
45*8-10-12	80*10-12	114*6-8	142*18	185*10-18	457*14
4*0.2-1-1.5	83*8-10-12	114*10-13	146*10-12	192*18	508*15
32*8	6*0.5-1.5-2	8*0.5-1.5-3	10*0.2-0.5-1.5-4	12*0.2-0.5-1.5-4	14*0.2-0.5-1.5-5

The surface treatment of 25mm 304 stainless steel square pipe

Surface finish	Characteristics and application
No.2B	The surface brightness and flatness of No.2B is better than No.2D then through a special surface treatment to improve its mechanical properties, No.2B could nearly satisfy comprehensive uses.
No.3	Polished with abrasive belt of git#100-#200, have better brightness with discontinuous coarse stria, used as inner and external ornaments for building,electrical appliances and kitchen utensils ect.
No.4	Polished with abrasive belt of gif#150#180,have better brightness with discontinuous coarse stria, but thinner than N0.3 are used as bathtub buildings inner and external ornaments electrical appliances kitchen utensils and food processing equipment ect.
HL	Polished with abrasive belt of grit #150-#320 on the No.4 finish and continuous streaks, mainly used as buildings ornaments elevators, door of building, frontal plates ect.
BA	Cold rolled, bright annealed and skin passed,the product have excellent brightness and good reflexivity like mirror, kitchen apparatus, ornament ect.

The chemical composition of 25mm 304 stainless steel square pipe

stainless steel square tube

The products show of Welded 304 316 316L stainless steel square tube

The application of Welded 304 316 316L stainless steel square tube

The manufacturing flow chart of 316L stainless steel square pipe

The quality control of 316L stainless steel square pipe

Our Services

2. We specialized in stainless steel sheet, stainless steel pipes,

carbon seamless steel pipes,alloy steel pipes, square steel tubes, etc.

3. Our products are exported to India, Indonesia, Pakistan, Iran, Belgium, Spain,

Canada, Germany,Korea, Saudi Arabia, Jordan and so on.

4. Our products are very popular because of high quality and competitive price,

and we ensure you timely delivery and the best service.

5. We are pleased to find new partners and hope to establish long-term business relationships with you on the basis of win-win situation.

FAQ

1. when was your company founded?

Our company was established in 2005 and we have been in this line for more than 9years, so we are experienced.

2. where your goods are being exported to?

We enjoy global market and have been cooperating with some regular clients from Southeast Asia,Middle East, Europe and so on.

3.Are you a factory or trade company?

We are a trade comapany, so we can provide you small quantity and various specification. We also have more favorable price in stainless steel, carbon steel, alloy steel and so on.

Our business in the last two months

Products name	country	quantity
316stainless steel pipe	Azerbaijan	25ton
409stainless steel pipe	Korea	7.8ton
316,304stainless steel pipe	Singapore	16ton
Carbon steel plate	Mauritius	25ton
Spring steel	Vietnam	1ton

Packaging & Shipping

The package of Welded 304 316 316L stainless steel square tube

Company Information

Tianjin A Large High-Pressure Alloy Pipe Sales Ltd. is one of the leading sales companies and exporters of steel products in Tianjin, China. Located near Beijing-Tianjin-Tanggu Expressway in the major port city --- Tianjin, China, we enjoy particularly favorable geographic advantage with convenient water, land and air transportation.

We specialize in seamless steel pipes, stainless steel tubes, boiler tubes, alloy steels, stainless steel bars, carbon structure round steel, alloy boards, boiler aacan also supply various fittings, such as elbows, flanges and tees. Our products conform to GB9948, GB6479, GB5310, ASTM A213, A335, A106, JIS G3456, G3458, G3461, G3462 and G3467 standards. We can produce various steel pipes with OD of 6mm-1080mm and WT of 1.5mm-100mm as well as steel plates with thickness of 0.3mm-80mm. All of the products can be widely used in fluid transmission pipelines, machine buildings, boiler manufacture, bridges and stadium constructions. We can also supply different kinds of non-standard and special type steel pipes according to your requirement.

Our company has a large number of stocks available all year round.

The certificate of our company

Company name: Tianjin, A Large High-Pressure Alloy Pipe Sales Co.,Ltd

Address: 2# 1902Room, Beichen building,Beichen District

Telephone: +86-022-26392977

Fax: +86-022-26345918

Website: http://www.tjdhhjgc.en.china.cn