S31803 Annealed Duplex Seamless Steel Sheet

Model NO.: S31803

Section Shape: Round

Usage: Construction & Decoration, Special Purpose, Thermal Equipment, Mining, Machinery Industry, Chemical Industry, Pipeline Transport, Oil&Gas Well Drilling

Material: Stainless Steel

Trademark: ZJDP

Specification: O. D: 6_630mm W. T: 0.9_25mm

Origin: Zhejiang Province, China

HS Code: 73044190

Products:Â
we are professinal in producing Stainless steel seamless pipe and welded pipe, and we also Â supply other stainless steel products: stainless steel fitting, flange, plate, coil, bar, and others.

Certificate:
ISO9001-2000 , PED, SGS and

the Manufacture License of Special Equipment People's Republic ofÂ China.

Production capacity :
The company's annual production capacity isÂ 15000 tonsÂ stainlessÂ steel welded pipe, andÂ 8000 TonsÂ seamless stainless steel Pipe.

Inspector equipment:
The companyÂ has a professional testing center, with advanced testing equipment atÂ home and abroad: eddy current flaw detector, ultrasonic flaw detector,Â direct-reading spectrometer , X-ray detector ,pressure unit, universalÂ pressure test apparatus, and crystal physics and chemistry equipment. InÂ strict line with GB, ASTM(ASME),EN,DIN,JIS and other internationalÂ standards pipe respectively

Quality control:
We have technical workers and Inspectors, and a complete Test Equipment, we sill supply MTC for every order, and if the order exceed US$100,000, we will provide a free third party Inspection for our customers..

Specification forÂ S31803 Annealed Duplex Seamless Steel Sheet:

chemical composition %	C Â Â Â Â Â Â Â Â Â Â Mn Â Â Â Â Â Â Â Â P Â Â Â Â Â Â Â Â Â Â S Â Â Â Â Â Â Â Â Â Â Â Si Â Â Â Â Â Â Â Â Â Â Â Â Cr Â Â Â Â Â Â Â Â Â Â Â Â Ni Â Â Â Â Â Â Â Â Mo Â Â Â Â Â Â Â Â N 0.03 max Â Â 2.00 maxÂ Â 0.030 maxÂ Â 0.020 max 1.00 maxÂ Â 21.0-23.0Â Â Â Â 4.5-6.5Â Â Â Â 2.5-3.5Â Â Â Â Â Â 0.08-0.20
mechanical	Tensile StrengthÂ Â Â Â Â Â Â Â Yield StrengthÂ Â Â Â Â Â Â Â Â Â ElongationÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â HardnessÂ min Kis Â Â Â Â Â Â Â Â Â Â Â Â Â min KisÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â in 2 in. or 5 mmÂ Â Â Â Â Â Â Â Â Â Â Â Â maxÂ Â Â Â Â Â Â Â Â Â Â Mpa Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â MpaÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â min % Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â HRBÂ Â HRCÂ Â Â Â Â Â Â Â 620 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 450Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 25 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 290Â Â Â Â 30
Heat Treatment:	Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â TemperatureÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Quench Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1850-2050Â°FÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Rapid coll in air or water Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1010-1120Â°CÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Mechanical Tests requirement:	Tension Test,Flaring Test, Flange Test,Hardness Test,Reverse Flattening Test,Hydrostatic or Nondestructive Electric Test.
Size: (According to ANSI B36.19)	OD:1/4"-8" W.T:Sch5S-xxs Length:6 Meters or as your requirement
Features:	Higher strength than austenitic stainless steels Excellent general corrosion resistance in a wide variety of corrosive chemicals including seawater and industrial acids Excellent resistance to localised corrosion including intergranular, pitting and crevice corrosion Excellent resistance to stress corrosion cracking Good sulphide stress corrosion resistance High resistance to abrasion, erosion and cavitation erosion Lower thermal expansion and higher heat conductivity than austenitic stainless steels
Application:	Chemical processing, transport and storage â€“ pressure vessels, tanks, piping, and heat exchangersÂ Oil and gas exploration and processing equipment â€“ piping, tubing, and heat exchangersÂ Marine and other high chloride environmentsÂ Effluent scrubbing systemsÂ Pulp and paper industry â€“ digesters, bleaching equipment, and stock-handling systemsÂ Cargo tanks for ships and trucksÂ Food processing equipmentÂ Biofuels plants
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 Huge Supply Capacity Advantage, Timely and Effective Delivery.
Tolerance ofÂ Dimensions	Outerside DiameterÂ Â Â Â Â Â Tolerance of OutersideÂ Â Toleerance of Wall in[mm]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Diameter,in[mm]Â Â Â Â Â Â Â Â Â Â Thickness,% 1/4-1/2[6.35-12.7]Â Â Â Â Â Â Â Â Â±0.005[0.13]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â±15 1/2-1 1/2[12.7-38.1]Â Â Â Â Â Â Â±0.005[0.13]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â±10 1 1/2-3 1/[38.1-88.9]Â Â Â Â Â Â Â±0.010[0.25]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â±10 3 1/2-5 1/2[88.9-139.7]Â Â Â Â Â±0.015[0.38]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â±10 5 1/2- 8[139.7-203.2]Â Â Â Â Â Â Â±0.030[0.76]Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â±10

Â Products:
S31803 Annealed Duplex Seamless Steel Sheet

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