Big Diameter Duplex Stainless Steel Pipe, Steel Tube

• Customization: Available
• After-sales Service: Supplied
• Warranty: Supplied
• Model NO.: seamless
• Technique: Cold Rolled
• Material: Stainless Steel
• Surface Treatment: Pickling and Annealing
• Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose, Machined Stainless Steel Tube
• Section Shape: Round
• Delivery Time: 7-30 Days
• MOQ: 1000 Kgs
• Standard: ASTM A312,ASTM A213,ASTM A269,JIS3463,JIS3459, Uns
• Grade: S32750,304/(0Cr18Ni9)/304L(00cr19ni10) 310S(
• Shipping Method: by Container
• Payment: LC ,Tt
• Application: Gas Industry, Thermal Power
• Inspection: SGS,BV,TUV, Ibr
• Certificate: API , ISO, Dnv,
• Application2: Oilfield
• Application3: Oil Industry
• Application4: Oil and Gas
• Application5: Shipbuilding
• Application6: Shipyard
• Application7: Precious Machine
• Transport Package: Playwood Cased Plastic Bags Packing, Condenser,
• Specification: OD 3.18-810mm
• Trademark: EZS
• Origin: China
• HS Code: 730441
• Production Capacity: 4000 Tons/ Year

Product Description

Big Diameter Duplex Stainless Steel Pipe, Steel Tube

Surface Finish	Definition and Application
No.1	The surface is finished by heat treatment and pickling or processes corresponding theretoafter hot rolling
2D	The finishes after cold rolling, by heat treatment,  pickling or other equivalenttreatment
2B	The finish after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to give an appropriate luster
BA	Cold rolled, bright annealed and skin-passed, the product have excellent brightness and good reflexivity like mirror
NO.3	Polished with abrasive belt of grit#100~#200,have better brightness with discontinuous coarse stria
NO.4	Polished with abrasive belt of grit#150~#180,have better brightness with discontinuous coarse stria
HL	Polished with abrasive belt of grit#150~#320 on the NO.4 finish and has continuous streaks
8K	The product have excellent brightness and prefect reflexivity can be the mirror

 

Material	200 series: 201, 202
	300 series: 304, 304L, 304H, 310S, 316, 316L, 317L, 321,310S,309S,2205,2507,2520
	400 series: 410, 410S,420, 430, 431, 440A,904L
Standard	AISI, ASTM, DIN, GB, JIS, SUS
Thickness	0.5mm-30mm as your request
Size	8mm-530mm as your request
Length	1 meters to 6 meters or as customer 's requirement
Treatment/Technique	Hot rolled, cold drawn, Annealed, Grinding
Surface	Satin,400#, 600~1000# mirrorx, HL brushed,Brushed Mirror(two kinds of finishing for one pipe)
Applications	Decorative /industrial/building material
Trade Terms	EXW, FOB, CFR, CIF
Delivery time	Shipped in 7-15 days after payment
Package	Standard sea-worthy package or as required
SEAWORTHY PACKING	20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM
	40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM

Stainless Steel Grades
EN-DIN standard steel grade	EN-standard steel grade	ASTM/AISIstandard steel grade	UNS	GB-standard steel grade
1.431	X10CrNi18-8	301
1.4318	X2CrNiN18-7	301LN
1.4307	X2CrNi18-9	304L	S30403
1.4306	X2CrNi19-11	304L	S30403	00Cr18Ni9
1.4311	X2CrNiN18-10	304LN	S30453
1.4301	X5CrNi18-10	304	S30400	06Cr19Ni10(GB/T3280-2007)
1.4948	X6CrNi18-11	304H	S30409
1.4303	X5CrNi18 12	305
1.4541	X6CrNiTi18-10	321	S32100	0Cr18Ni11Ti
1.4878	X12CrNiTi18-9	321H	S32109
1.4404	X2CrNiMo17-12-2	316L	S31603	00Cr17Ni14Mo2
1.4432	X2CrNiMo17-12-3	316L	S31603	00Cr17Ni14Mo2
1.4435	X2CrNiMo18-14-3	316L	S31603	00Cr17Ni14Mo2
1.4401	X5CrNiMo17-12-2	316	S31600	0Cr17Ni12Mo2
1.4436	X3CrNiMo17-13-3	316	S31600	0Cr17Ni12Mo2
1.4406	X2CrNiMoN17-12-2	316LN	S31635
1.4571	X6CrNiMoTi17-12-2	316Ti	S31635
1.4429	X2CrNiMoN17-13-3	316LN	S31653
1.4438	X2CrNiMo18-15-4	317L	S31703
	X10CrNiTi189	347		0Cr18Ni11Nb
1.4512	X6CrTi12	409		0Cr11Ti
			S41000	0Cr13
		410		1Cr13
		420J1		2Cr13
1.4016	X6Cr17	430		1Cr17
1.4118	X40CrMo15	440A	S44002	8Cr13
1.4112		440B	S44004	9Cr13
1.4125		440C	S44003	11Cr18
		440F	S44020
1.4539	X1NiCrMoCu25-20-5	904L	N08904	00Cr20Ni25Mo4.5Cu
1.4547	X1CrNiMoCuN20-18-7		S31254

 

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Chemical composition
Grade	C	Si	Mn	Cr	Ni
304	≤0.07	≤1.00	≤2.0	18.00~20.00	8.00~10.50
304L	≤0.030	≤1.00	≤2.0	18.00~20.00	9.00~13.00
310S	≤0.08	≤1.00	≤2.0	24.00~26.00	19.00~22.00
316	≤0.08	≤1.00	≤2.0	16.00~18.00	10.00~14.00
316L	≤0.03	≤1.00	≤2.0	16.00~18.00	12.00~15.00
321	≤0.08	≤1.00	≤2.0	17.00~19.00	9.00~13.00
904L	≤0.02	≤1.00	≤2.0	19.00~23.00	23.00~28.00
2205	≤0.03	≤1.00	≤2.0	22.00~23.00	4.5~6.5
2507	≤0.03	≤0.08	≤1.20	24.00~26.00	6.00~8.00