AISI 321 Stainless Steel Seamless/Welded Pipe

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, DIN
• Model NO.: Stainless Steel Pipe
• Grade: 304 316s 327, S329
• Certification: ISO, AISI, ASTM, GB, JIS
• Shape: Round;Square;Rectangular
• Technique: Cold Rolled;Hot Rolled
• Surface Treatment: Polished
• Welding Line Type: ERW/Seamless
• Surface Finish: 2b/Ba/2D/2bb/No.3/No.1/Hl/2ba/Nl/Ths
• Outer Diameter: 6mm - 1174mm or Customized
• Length: 6-12m / Customized
• Quality: Mill Test Certificate Supplied
• MOQ: 1 Ton
• Alloy or Not: Is Alloy
• Tolerance: +/-1%
• Invoicing: by Theoretical Weight
• Processing Service: Bending, Welding, Cutting
• Sample: Sample Freely
• Customized Service: Oed ODM
• Supply Ability: 500 Tons Per Day
• Within 7 Days: Within 7 Days
• Payment Term: L/C T/T(30% Deposit)
• Transport Package: as Customers′ Needs
• Specification: Thickness: 0.8mm-50 mm
• Trademark: Great Steel
• Origin: Shandong, China
• HS Code: 7304419000
• Production Capacity: 15000ton/Month

Product Description

Product Description

Main Grades and Standards
Standards	AISI, ASTM, DIN, EN, GB and JIS;	ASTM A240/SA240, ASTM B688, ASTM B463/SB463 ASTM B168/SB168, ASTM B443/SB443, B424/SB424, B625/SB625, B575/SB575, JIS G4304, G4305, GB/T 4237, GB/T 8165, BS 1449, DIN17460, DIN 17441
Materials(Grade)	200series	201, 202, 202cu, 204
	300series	301, 302, 303, 304, 304L, 304H, 309, 309s, 310, 310S, 316, 316L, 316H, 316Ti, 317L, 321, 347
	400series	409,409L,410,420,430,431,440
	Duplex/Super Duplex Stainless	Duplex2205/s31803/s32205, Duplex2507, S32750, S32760,S25554,1.4418,1.4529,AL-6XN,347H,904L,F44 317L,318,329  2205,2507,F55,SUH616,4Cr14Ni14W2Mo
	Nickel-base Alloy	S31254, N08367, N08926, N08904, N08020, N06600, N06625, N08825, N08031, N06059, N10276, N06022, N10665, N10665, N10675, N02200/N02201, N08800, N08810, S30815
	Others	330/N08330, 333/N06333, 660, 630, 631, 17-4ph, 17-7 ph, 1cr13,2cr13,3cr13N,3cr13,409,416,439,405,04cr13Ni5Mo, 2cr12MoV,Gcr15,1cr17,4cr13,410-420-430-17-4PH,1cr17Ni2,9cr18mo, C276,C22,HB-2,HB-3,C4C2000, M400  K500,600, 601, 625,718,800H,825,GH3007/5K,GH3030,GH2747, GH1131,GH2132,GH2696,GH2747,GH2909,GH3030,GH3044, GH3128,GH4145/X750,GH4648,GH4738,GH5188,GH617,L605 1J,2J,3J,4J,1J79, XM-19  S21800,etc.

Chemical Composition	Tensile Strength	Yield Strength	Elongation	Hardness HRB
Grade 304 Stainless Steel (100% & MPA)
C≤0.08, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤10.5, 18≤Cr≤20	≥515	≥205	≥40	≤92
Grade 304L Stainless Steel (100% & MPA)
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 8≤Ni≤12, 18≤Cr≤20	≥485	≥170	≥40	≤92
Grade 316L Stainless Steel (100% & MPA)
C≤0.03, Mn≤2, P≤0.045, S≤0.03, Si≤0.75, 10≤Ni≤14, 16≤Cr≤18	≥485	≥170	≥40	≤95

Production Application

Product Advantages

Features:
1. Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of
tubes could be under 0.3μm.
2. We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing.
3. Thick welding, good appearance.The mechanical properties of tube could be tested.
4. The raw material is from Taigang, Baogang, Zhangpu and so on.
5. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015.
6. Full material traceability is guaranteed during the manufacturing process.
7. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness.
8. Internal Bore: Tubes have a smooth, clean and crevice free bore.
9. Market leading quality products.

Our Factory

Packaging & Shipping

Packaging Details
1. Waterproof paper, and steel strip packed ;
2. Standard Export Seaworthy Package ;
3. According to customer's requests ;
Port:Tianjin port,Qingdao port,Shanghai port or as customer requirement
 

Company Profile

FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

 

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

 

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

 

Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

 

Q:How do we trust your company?
We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.