ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube

Model NO.
6 - 304 mm
Welding
TIG
Application
Boiler, Superheater, Heat Exchanger, or Condenser
Surface Condition
Ba, Annealing Pickling, Polishing
Stainless Steel
304, 304L, 316, 316L, 321, 316ti
Standard
ASTM A269
Transport Package
Wooden Box
Specification
6 - 304 mm
Trademark
Dingshang
Origin
China
HS Code
7306400000
Production Capacity
7000 Ton/Year
Reference Price
Please contact us for quote

Product Description



 

ASTM A269 TP304 TP304L TP316L TP321 304 316L 304L 321 Welded Stainless Steel Tube

ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service


ISO9001:2015 and PED 2014/68/EU certified manufacturer

ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube


ASTM A269 TP304 TP304L TP316L TP321 304 316L 304L 321 Welded Stainless Steel Tube
 
MaterialStainless Steel 304/304L/316L
ShapeRound tubes
Production StandardsASTM A270, ASTM A269, ASTM A249, ASTM A778, ASTM A789, DIN 11850, EN 10357, EN 10217-7 and so on.
Outer Diameter16mm - 2000mm ; 
Thickness0.8mm - 20 mm ; 
Length6 Meters - 20 Meters ; As customers' request ; 
ToleranceAccording to the Standard , +/-10% Commonly ;
Surface TreatmentAnnealing pickling, Bright Annealed, Polishing finish
ApplicationPetrochemical Industry ; Chemical Fertilizer Industry ; Oil Refining Industry ; Oil And Gas Industry ; Light Industry And Food Industry ; Pulp And Paper Industry ; Energy And Environmental Industries .
TestFlaring test ; Flattening test ; Bending Test ; Hydraulic Test ; Eddy Current test
DesignOEM / ODM / Customized 
CertificateISO9001 ; ISO14001; PED.



 
Stainless Steel Mechanical Properties
GradeTensile StrengthYide StrengthElogationHardnessSolution Annealing
kgf/mm²(N/mm²)kgf/mm²(N/mm²)%HRB(HV)ºC
ASTMTP 304≥53 (515)≥21 (205)≥35≤90 (200)1040ºC-1150ºC 
Water Quenching
TP 304L≥50 (485)≥17 (170)
TP 316≥53 (515)≥21 (205)
TP 316L≥50 (485)≥17 (170)
JISSUS 304≥53 (520)≥21 (205)1010ºC-1150ºC 
Water Quenching
SUS 304L≥49 (480)≥18 (175)
SUS 316≥53 (520)≥21 (205)
SUS 316L≥49 (480)≥18 (175)
GB06Cr19Ni10≥53 (520)≥21 (210)1010ºC-1150ºC 
Water Quenching
022Cr19Ni10≥49 (480)≥18 (180)
06Cr17Ni12Mo2≥53 (520)≥21 (210)
022Cr17Ni12Mo2≥59 (480)≥18 (180)
EN1.4301(500-700)≥20 (195)≥401000ºC-1100ºC 
Water Quenching
1.4307(470-670)≥18 (180)
1.4401(510-710)≥21 (205)1020ºC-1120ºC 
Water Quenching
1.4404(490-690)≥19 (195)


 
Stainless Steel Heat Exchanger Tube Tolerances
StandardOD(mm)WT(mm)Length(meters)Grade
ASTM A249,
ASTM A269, 
EN 10217-7
15.88 to 114.30.3 to 4.0Up to 18.3 meter1.4301, 1.4306, 1.4404, 
AISI 304/304l/316l, 
S31803/S32205, etc
StandardOutside DiameterThicknessLength
ASTM A249
(A1016)
<25.4±0.10±10%SOD<50.8+3-0
OD≥50.8+5-0
≥25.4~<38.1±0.15
≥38.1~<50.8±0.20
≥50.8~<63.5±0.25
≥63.5~<76.2±0.31
ASTM A269
(A1016)
<38.1±0.13OD<12.7±15% 
OD≥12.7±10%
OD<38.1+3.2-0
OD≥38.1+4.8-0



Factory Workshop & Production Lines

ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube

Quality and Tests


ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube

Stainless Steel Grades

200series:201,202, etc
300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347
400series:409,409L,410,420,430,431,439,440,441,444
Others:2205,2507,2906,330,660,630,631,17-4ph,17-7ph, S318039 904L,etc
Duplex stainless steel:S22053,S25073,S22253,S31803,S32205,S32304
Special Stainless Steel:904L,347/347H,317/317L,316Ti,254Mo


304/304L/316L Stainless Steel chemical composition and Mechnical properties

 

Chemical CompositionTensile StrengthYield StrengthElongationHardness
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

Certificates
ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube

Company Introduction

Huzhou Dingshang stainless steel Co., Ltd. is located in Huzhou city Zhejiang province, about one hour to Jiangsu, Shanghai and Hangzhou.

DINGSHANG is professional 

China Stainless Steel Pipe Manufacturer and Stainless Steel Tube Suppliers

, the company is specializing in industrial stainless steel welded tube and special alloys tube, with annual production capacity up to 7,000 tons.

The tubes are produced to conform to GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards.


ASTM A269 TP304 TP304L Tp316L Tp321 304 316L 304L 321 Welded Stainless Steel Tube

Some special requirements from clients can al so be met.Due to excellent technicians, advanced production equipment, satisfactory inspection and testing equipment and perfect quality as surance system,

DINGSHANG has got quality management system ISO9001, EU pressure equipment directive PED and AD2000 all issued by th e Lloyd's, and also Chinese national special equipment manufacturing license (TS certificate).

DINGSHANG upholds the business philosophy of improvement, trustworthiness and co-win. Based on reliable quality tubes and prompt reply, DINGSHANG's materials have been sold nationwide and exported to more than 20 countries including main economies around the world.


ASTM A269 TP304 TP304L TP316L TP321 304 316L 304L 321 Welded Stainless Steel Tube

 

Steel Pipe & Tube

PNEUTEC.IT, 2023