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ASTM A312 seamless steel pipe

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ASTM A312 seamless steel pipe

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Supply Ability	5000tons per month
Delivery Time	5-10 working days after order confirmed and receive deposit
Packaging Details	Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.
Product	Manufacturers sell 201 304 Prime Stainless Steel Pipes
Standard	ASTM A312 & A554
Grade	304 316L 321 310S 430 2205
Surface	Mill or Bright
Technique	Cold Drawn
Shape	Round.square.pipe
Type	Welded, seamless
Thickness	0.3mm ~ 3mm
OD	6mm ~ 219mm
Length	Max 18m
Brand Name	HAOSTEEL
Model Number	304 304L 316 316L 321 310S 410 420 430
Certification	ISO9001 SGS
Place of Origin	CHINA

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Product Details
Company Details

Product Specification


Supply Ability	5000tons per month	Delivery Time	5-10 working days after order confirmed and receive deposit
Packaging Details	Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.	Product	Manufacturers sell 201 304 Prime Stainless Steel Pipes
Standard	ASTM A312 & A554	Grade	304 316L 321 310S 430 2205
Surface	Mill or Bright	Technique	Cold Drawn
Shape	Round.square.pipe	Type	Welded, seamless
Thickness	0.3mm ~ 3mm	OD	6mm ~ 219mm
Length	Max 18m	Brand Name	HAOSTEEL
Model Number	304 304L 316 316L 321 310S 410 420 430	Certification	ISO9001 SGS
Place of Origin	CHINA
High Light	ASTM A312 Seamless Steel Pipe ，219mm Seamless Steel Pipe ，Polishing SS 304 Pipe

Manufacturers sell 304 316L 309 stainless steel tube

HAOSTEEL is one of the most professional manufacturer and supplier of stainless steel Tube.Stainless steel tube can be divided into seamless tube and welded tube according to production mode. Seamless tube can be divided into hot rolled tube, cold rolled tube, cold drawn pipe and extruded tube.The welded pipe is divided into straight welded pipe and spiral welded tube.

Description:

304 stainless steel pipe introduction: in the air or chemical corrosion medium can resist corrosion of a kind of high alloy steel, 304 stainless steel pipe is a beautiful surface and corrosion resistance is good, do not have to go through the plating color and other surface treatment, and play the inherent stainless steel surface performance, the use of a variety of steel.304 is a universal stainless steel, which is widely used in the manufacture of equipment and parts requiring good overall performance (corrosion resistance and formability).304 stainless steel is a brand of stainless steel manufactured according to ASTM standard.304 is equivalent to China's 0Cr19Ni9 (0Cr18Ni9) stainless steel.

Annealing solid solution state of 316L stainless steel tube material: NO.1, 2b, N0.4,HL and other surface states.316L is a kind of stainless steel containing molybdenum. Due to the molybdenum in the steel, the overall performance of the steel is better than 310 and 304 stainless steel. At high temperature, when the concentration of sulfuric acid is lower than 15% or higher than 85%, 316L stainless steel has a wide range of applications.316L stainless steel also has good resistance to chloride erosion, so it is commonly used in the Marine environment.
The maximum carbon content of 316L stainless steel is 0.03, which can be used for welding where annealing is not possible and where maximum corrosion resistance is required

Welded stainless steel pipe referred to as stainless steel welded pipe, commonly used steel or steel band after the unit and mold crimp forming of the steel pipe.Welding steel pipe production process is simple, high production efficiency, variety and specification, equipment investment is less, according to the welding form divided into straight welded pipe and spiral welded pipe.It can be divided into general welded pipe, heat exchanger pipe, condenser pipe, galvanized welded pipe, oxygen-blown welded pipe, wire bushing, metric welded pipe, roller pipe, deep well pump pipe, automobile pipe, transformer pipe, welded thin-wall pipe, welded special-shaped pipe and spiral welded pipe

Chemical composition:

Chemical composition	Element	201	202	304	316	S31803	S32750
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.030	≤0.030
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00	≤0.80
	Mn	5.5-7.5	7.5-10.0	≤2.00	≤2.00	≤2.00	≤1.20
	P	≤0.060	≤0.060	≤0.045	≤0.045	≤0.030	≤0.035
	S	≤0.030	≤0.030	≤0.030	≤0.030	≤0.020	≤0.020
	Cr	16-18	17-19	18-20	16-18	21-23	21-23
	Ni	3.5-5.5	4.0-6.0	42958	43022	4.5-6.5	6.0-8.0
	Mo				2.0-3.0	2.5-3.5	3.0-5.0
	N	≤0.25	≤0.25			0.08-0.2	0.24-0.32
	Cu						≤0.50
Mechanical properties	Material Item		201	202	304	316	S31803	S32750
	Tensile Strength (MPa)		≥655	≥620	≥515	≥515	≥620	≥800
	Yield Strength (MPa)		≥260	≥310	≥205	≥205	≥450	≥550
	Elongation (%)		≥35	≥35	≥35	≥35	≥25	≥15
	Hardness (HV)		≤230	≤230	≤200	≤200	≤303	≤323

Product Details
Product name	China manufacturer 304 316 seamless stainless steel pipe
Brand name	Haosteel
Standard	ASTM A312, ASTM A554, ASTM A790, EN10216-5, EN10217-7, JIS G3468, JIS G3459
Material	201 304, 316L, 321, 310S, 1.4301, 1.4307, 1.4404, S31803, S32750,2205, 2507, 904L, Monel 400, Inconel 800
Surface	Pickling, 400grit polishing, 600grit polishing, mirror finish
Certificate	BV, LR, GL, NK, RMRS
Packing	In bundles with waterproof material, in wooden cases
Shipment	By sea, by air, by express

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Application
Stainless steel pipe is a kind of economic cross section steel, is an important product of iron and steel industry, which can be widely used in decorative and industrial life, many people on the market for making stair handrail, protective Windows, railings, furniture, etc., common are two kinds of material for 201 and 304.

304 stainless steel is the most widely used chromium - nickel stainless steel, with good corrosion resistance, heat resistance, low temperature strength and mechanical properties.Corrosion resistance in the atmosphere. In the case of industrial atmosphere or heavily polluted areas, timely cleaning is required to avoid corrosion.Suitable for food processing, storage and transportation.It has good machining performance and weldability.
Use of 316L stainless steel tube

Paper pulp and paper equipment heat exchanger, dyeing equipment, film processing equipment, pipes, external building materials in coastal areas, as well as the use of advanced watch chain, case and so on.Sea water equipment, chemical, dye, paper, oxalic acid, fertilizer and other production equipment;Photography, food industry, coastal facilities, ropes, CD poles, bolts, nuts
According to use can be divided into oil well pipe (casing, tubing and drill pipe, etc.), line pipe, boiler pipe, mechanical structure, hydraulic prop, cylinder pipe, geological, chemical pipe (high pressure chemical fertilizer pipe, oil cracking pipe) and tube for ships, etc.
In addition, it is also widely used in the manufacture of mechanical parts and engineering structures in the light of bending and torsional strength and light weight.

Our service
1) PERFECT QUALITY. All the SUS 304 production lines equipment are new machines which can maintain the stable and better quality than the whole market.
2) HIGH CORROSION RESISTANCE. With standard chemical compositions, our pipes are able to last longer time than others.
3) BETTER STRETCH BENDING STRENGTH. All material are 100% virgin raw material, no recycle material at all, which enhance our pipes have better physical performance.
4) EXPERIENCE. Over 20 years of production experience of pipe production, 10 years of exporting, we are able to full fill any customers’ basis request and help them to enlarge the market sales.

Company Details

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Haosteel, with stainless steel as its main business, manufactures premium stainless steel products with high technologies and a high added value and fosters four major product categories, namely stainless steel bars, stainless steel pipes, stainless steel plates, stainless steel wires, now the Carbo... Haosteel, with stainless steel as its main business, manufactures premium stainless steel products with high technologies and a high added value and fosters four major product categories, namely stainless steel bars, stainless steel pipes, stainless steel plates, stainless steel wires, now the Carbo...

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