Zhongzheng Stainless Steel Co., Ltd.: 1Yr

Tianjin, China; Main products: Stainless Steel, Valve, Flange, pipe fitting

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Home > Products > Industrial Pipeline Series > Long-Lasting ASME SA778 904L DN200 18/8 Aus Cold Drawn Stainless Steel Pipe for Petroleum

Long-Lasting ASME SA778 904L DN200 18/8 Aus Cold Drawn Stainless Steel Pipe for Petroleum

FOB Price

US$ 2800 - 3000 / Ton

1 Ton(Min. Order)

Payment TermsT/T L/C PayPal D/P Western Union Other
Delivery Detail8 days

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Product Details

Type	Stainless Steel Pipes	Certification	ISO, ROHS, IBR, AISI, ASTM, GB, EN, DIN, JIS, Other
Shape	Round	Grade	Other
Technique	Other	Surface Treatment	Polished
Standard	ASTM, AISI, GB, JIS, DIN, EN, Other	Specification	OEM
Trademark	ZHONGZHENG INTERNATIONAL	Origin	China

Product Description

316L TP304 BA clean pipe

Basic Info.

Model NO.

S32750 SMLS

Grade

300 Series

Certification

ISO

Shape

Round

Technique

Cold Rolled, Cold-Drawing

Surface Treatment

Ap/Ba/Polishing/Sand Blasting/Shot Blasting

Material

Stainless Steel

Section Shape

Round

Test

Ht/Et/Ut

Delivery Time

Stock 7 Days; Mto 30 Days

Trade Terms

EXW, Fob, CFR, CIF etc.

Markings

According to A999/A999m

Transport Package

Packed in Bundles or Plywooden Box

Specification

S32750

Trademark

ZHONGZHENG

Origin

China

HS Code

7304419000

Production Capacity

2000ton Per Month

Product Name	Seamless Stainless Steel Pipes /Tubes
Company Inform	1.Name:ZHONGZHENG STAINLESS STEEL., LTD 2.Type: Manufacturer
Material	Duplex : UNS S31803, UNS S322050, NS S32750, UNS S32760 Austenitic :TP304, TP304L, TP304H, TP309S, TP310S, TP316L, TP316Ti, TP317L, TP321, TP321H, TP347H , 904L, 254SMO GOST Grade: 08х18н10т,12х18н10т(AISI 321), 10х17н13м2т(AISI 316Ti), , 20х23н18(AISI 310S), 06хн28мдт(AISI 904L), 08х18н10(AISI304) Nickel Alloy: Incoloy: 800/800H/800HT 825 926 20 28 201 200 Inconel :718 600 601 625 Hastelloy: C-22 C-276 B-2 B-3 GH3030 GH3039 Cr20Ni80 ; Monel400,K-500
Standard	ASTM A312,ASTM A213,ASTM A269,ASTM A511, ASTM A789,ASTM A790,EN 10216-5,DIN 17456,DIN14975,GB/T 14976,GB13296, GB5310, GB9948,GOST 9940,GOST 9941,ASTM B161,ASTM B163,ASTM B167,ASTM B407, ASTM B444,ASTM B622,ASTM B677
Specification	Outer diameter	6mm-630mm
	Wall thickness	1mm-40mm
	Length	Single random length/ Double random length or as customer's actual request
Surface	Annealing&Pickling, Polishing180#-600#), Bright Annealing, Sand Blasting,Shot Blasting
Markings	Markings will adhere to prescribed specifications in A999/A999M and shall include the NPS or OD and schedule number or average wall thickness, heat number, and NH (when hydrotesting is not performed) and ET (when eddy-current testing is performed) or UT (when ultrasonic testing is performed). The marking shall also include the manufacturer's private identifying mark, the marking requirement of section 12.3 on Hydrostatic or Nondestructive Electric Test, if applicable, and whether seamless (SML), welded (WLD), or heavily cold-worked (HCW). For Grades TP304H, TP316H, TP321H & TP347H, the marking shall also include the heat number and heat-treatment lot identification.
Flattening Test	For material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5% of the lot, but in no case less than 2 lengths of pipe.
Hydrostatic or Nondestructive Testing	Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test
Delivery Time	1.for ready stock :7 days after receiving the deposit of T/T 2.For MTO: 35 days after receiving the deposit of T/T
Loading Port	Ningbo/Wenzhou/Shanghai
Container	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM
Referenced Documents	ASTM Referenced Standards A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels A370 Test Methods and Definitions for Mechanical Testing of Steel Products A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys A999/A999M Specification for General Requirements for Alloy and Stainless-Steel Pipes A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes E112 Test Methods for Determining Average Grain Size E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

1. Seamless Hot Rolling Processes

Round Pipe Billet → Heating → Perforation → Three Roll Skew Rolling, Continuous Rolling or Extrusion → Off Pipe → Sizing (Or Reducing Diameter)→ Cooling → Billet → Straightening → Water Pressure Test ( Or Flaw Detection) → Marking → Storage
2. Seamless Cold Rolling (Cold drawn) Processes
Round Pipe Billet → Heating → Perforation → Head → Annealing → Pickling → Oil (Copper) → Multi Pass Drawing (Cold Rolling) → Billet → Heat Treatment → Straightening → Water Pressure Test → Marking → Storage
3. Longitudinal welding (Straight seam welding) processes

Chemical Composition For A789 S32750 Duplex Stainless Steel Pipes

Elements	C	Cr	Cu	Fe	Mo	Mn	N	Ni	P	S	Si	W
Minimum		24.0		REMAINDER	3.00		0.24	6.00			0.20	0.50
Maximum	0.030	26	0.50		5.00	1.20	0.32	8.00	0.035	0.020	0.80	1.00

Mechanical Properties For A789 S32750 Duplex Stainless Steel Pipes

0.2% Proof Stress (N/mm2 ) [ksi] minimum	550[79.8]
Ultimate Tensile Strength (N/mm2) [ksi] minimum	800 [116]
Elongation (%) minimum	25
ardness (HBN)	270 max
Reduction of Cross Section Area (%)	45
Charpy V-notch Impact at ambient Temp (J) [ft.lb]	80min [59min]
Charpy V-notch Impact at -46°C (J) [ft.lb]	45av, 35min [33av, 25.8min]

Additional Testing
ASTM G48A Corrosion test at 40°C	No pitting and weight loss<4.0g/m2
Ultrasonic Testing	According to ASTM A388
Ferrite Content	35%-55%
Microstructure	Microstructure certified free from grain boundary carbides, sigma, chi and laves phases

Physical Properties For A789 S32750 Duplex Stainless Steel Pipes

Density (Kg.m-1)	7810
Magnetic Permeability	33
Young's Modulus (N/mm2)	199 x 103
Specific Heat, 20°C (J.Kg-1.°K-1)	475
Fracture Toughness, Kq (MPa.m)	475
Specific Electrical Resistance, 20°C (μO.m)	0.80
Thermal conductivity, 20°C (W.m-1.°K-1)	14.2
Mean coefficient of thermal expansion, 20-100°C (°K-1)	11.1 x 10-6

ASTM A789 ASME SA789 PERMISSIBLE VARIATIONS IN DIMENSIONS

Group	Size,Outside Diameter,in.[mm]	Permissible Variations in Outside Diameter,in.[mm]	Permissible Variations in Wall Thinckness	Permissible Variations in Cut Length,in[mm]		Thin Walled Tubes
Group	Size,Outside Diameter,in.[mm]	Permissible Variations in Outside Diameter,in.[mm]	Permissible Variations in Wall Thinckness	Over	Under	Thin Walled Tubes
1	up to 1/2[12.7],excel	±0.005[0.13]	±15%	1/8"[3]	0	...
2	1/2" to 1-1/2"[12.7 to 38.1],excl	±0.005[0.13]	±10%	1/8"[3]	0	less than 0.065 in.[1.6mm] nominal
3	1-1/2" to 3-1/2"[38.1 to 88.9],excl	±0.010[0.25]	±10%	3/16"[5]	0	less than 0.095 in.[2.4mm] nominal
4	3-1/2" to 5-1/2"[88.9 to 139.7],excl	±0.015[0.38]	±10%	3/16"[5]	0	less than 0.150 in.[3.8mm] nominal
5	5-1/2" to 8"[139.7 to 203.2],incl	±0.030[0.76]	±10%	3/16"[5]	0	less than 0.150 in.[3.8mm] nominal

Application:

The seamless stainless steel pipes & tubes have been widely used in petrochemical, boilers, nuclear power,machinery, shipping industry and water industry, etc.

The welded steel pipes & tubes have been widely used in chemical, machinery, gas or oil transformation, shipping industry and water industry, etc.

Company Profile

Zhongzheng Stainless Steel Co., Ltd.

Zhongzheng Stainless Steel Co., Ltd. is a China-based manufacturer specializing in R&D, production, and distribution of stainless steel products. Established in the early 2000s, it serves industries including construction, machinery, food/medical equipment, and energy with precision tubes, sheets, profiles, and custom components.

Contact Us

Zhongzheng Stainless Steel Co., Ltd.: Contact nameLaijing Bu
Chat Now; AddressRoom 104-07, Building 5, Jinghu Technology Park Huanajinghu Garden, Donglihu Subdistrict Dongli District,

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Product Categories

Galvanized steel pipe	Steel coil sheet and plate	Galvanized Steel Sheet	Industrial Pipeline Series
Industrial sheets and rolls	Industrial Valve Series	Industrial Accessories Series	Sanitary valve series
Hygienic grade piping series	Hygienic grade accessory series	Sanitary grade panels and rolls	Special Materials
Galvanized steel	Sanitary Pipeline Series	Titanium and titanium alloy steel

Long-Lasting ASME SA778 904L DN200 18/8 Aus Cold Drawn Stainless Steel Pipe for Petroleum

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