Duplex Stainless Steel Tube (UNS S31803 / 1.4462)

• Customization: Available
• Type: Seamless ,Welded...
• Technique: Cold Rolled
• Model NO.: S32001, S31500, S32304, S31803, S32205etc
• Material: Stainless Steel
• Surface Treatment: Polish,Pickling,Bright Annealing
• Usage: Pipeline Transport, Special Purpose, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Outside Diameter: 4mm - 914.4mm;8mm-630mm
• Wall Thickness: 0.6mm - 30mm;0.5mm-45mm
• Length: 5.8-6.1 M or as Customers′ Request
• Grade: 304 304L 316 316L 321 S31803/S32205 S32750 S32760
• Inspection: Dekra,TUV
• Transport Package: Woven Bags, Plastic Bags, Cap Ends, Plywood Cases
• Specification: GB, ASTM(ASME), EN, DIN, JIS
• Trademark: ZJDP
• Origin: Zhejiang, China
• Production Capacity: 23000ton/Year

Product Description

Duplex stainless steel:
Duplex stainless steel is widely applied to many industries such as Marine environment industry, Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.

Grades:
UNS S32001, S31500, S32304, S31803, S32205, S32760, S32750.

Standards:
ASTM A789(ASME A789)

Size:
OD: 6mm-273mm
Thickness: 0.6mm-25.4mm

Surface treatment:
AP, BA. NO. 1, NO. 2D, NO. 2B, NO. 3, NO. 4NO240, NO. 320, NO. 400, HL, NO. 7, NO. 8...

Advantage:
Advanced production and inspection equipment
Good quality control system and service system
Full experienced in export business in stainless steel
Convenient location for transport
Flexible payment

Delivery Term:
10 days up as the quantities and the requirements of customers

Payment:
30%T/T for deposit and the balance against the copy of B/L. And the L/C is also available for the first order.

Chemical  Composition
UNS Designation	C	Mn	P	S	Si	Ni	Cr	Mo	N	Cu	Others
S31500	0.03	1.20- 2.00	0.030	0.030	1.40- 2.00	4.3- 5.2	18.0- 19.0	2.50- 3.00	0.05- 0.10
S31803	0.03	2.00	0.030	0.020	1.00	4.5- 6.5	21.0- 23.0	2.5- 3.5	0.08- 0.20
S32001	0.03	4.00- 6.00	0.040	0.030	1.00	1.0- 3.0	19.5- 21.5	0.60	0.05- 0.17	1.00
S32205	0.03	2.00	0.030	0.020	1.00	4.5- 6.5	22.0- 23.0	3.0- 3.5	0.14- 0.20
S32304	0.03	2.50	0.040	0.040	1.00	3.0-5.5	21.5-24.5	0.05-0.60	0.05-0.20	0.05-0.60
S32750	0.03	1.20	0.035	0.020	0.80	6.0-8.0	24.0-26.0	3.0-5.0	0.24-0.32	0.50
S32760	0.05	1.00	0.030	0.010	1.00	6.0-8.0	24.0-26.0	3.0-4.0	0.20-0.30	0.50-1.00	W  0.50- 1.00 40  minC

Company Profile
 
 
As a professional vendor in the stainless steel marketplace, DA PU produce Variety of stainless steel product ,including  pipes &Tubing ,( seamless and welded),Coil.Bar,Rod,Sheet,Tee,Elbow,Valve,Fitting,Flange,Special Section Pipe etc.  Most of products meet or exceed the expectations our customers hold. History Since 2005, DA PU has been a leader in the stainless steel marketplace

Welcome customers all over the world come to our company to give guidance for development