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Shipbuilding Stainless Steel Round Bars F51 Black Round Bar Bright

1) Duplex s31803
2) Dia.: 1/4''~15''
3) Standard: ASTM A276
4) Solution treatment, high tensile
5) Pass BV audit

1) Product feature:

1. Product:	Duplex s31803 stainless steel round bars ( F51 )
2. Diameter:	Ø1/4’’~Ø15’’ ( Ø6mm~Ø400mm)
3. Length:	1~8 meters
4. Surface:	* Bright ( cold drawn, peeled & polished, centerless grinding) * black
5. Material:	S31803 (F51), S32205 (F60), S32750 (F53), S32760 (F55), 1.4462
6. Standard:	ASTM A276
7. Diameter tolerance:	H9, H11, H13 etc. as per clients’ requirement
8. Length tolerance:	0/+50mm
9. Finishing:	Solution treated as per ASTM A276
10. Application:	Shaft, Heat exchangers, valve parts, pipe fitting, Marine, Oil and Gas
11. Delivery time:	Generally within 15~20 days, as per the quantity
12. Package:	Good quality wooden box, will protect the bars e. ( See pictures below )
13. Material Test Cert.	ISO, BV, SGS, Mill test certificate
14. Quality:	Prime quality
15. More information:	Contact Vivian Zhu ( MP: +86-139 21352562 ) skype: vivian.316L

2) Chemical composition:

type	C	Si	Mn	P	S	Cr	Ni	Mo	N	Cu	W
S31803 (F51)	≤0.03	≤1.0	≤2.0	≤0.03	≤0.02	21.0~23.0	4.5~6.5	2.5~3.5	0.08~0.2
S32205 (F60)	≤0.03	≤1.0	≤2.0	≤0.03	≤0.02	22.0~23.0	4.5~6.5	3.0~3.5	0.14~0.2
S32750 (F53)	≤0.03	≤0.8	≤1.2	≤0.035	≤0.02	24.0~26.0	6.0~8.0	3.0~5.0	0.24~0.32	0.5
S32760 (F55)	≤0.03	≤1.0	≤1.0	≤0.03	≤0.01	24.0~26.0	6.0~8.0	3.0~4.0	0.2~0.3	0.5~1.0	0.5~1.0

3) Product display:

Mechanical Requirments

Duplex stainless steel (S31803) mechanical properties:

Grade Temperature / state yield strength σb (ksi) tensile strength σ0.2(ksi) Elongation δ gauge 2in

2205 70/ annealing 75min 105min 35min

2205 200/ annealing 50min 90min

2205 400/ annealing 45min 80min

2205 600/ annealing 40min 79min

Related Specifications

ASTM/ASME...........A240 UNS S32205/S31803

EURONORM...........1.4462 X2CrNiMoN 22.5.3

AFNOR...................Z3 CrNi 22.05 AZ

DIN.........................W. Nr 1.4462

Key Properties:

The specified properties are for bar products in ASTM A276. The properties may not be necessarily similar to other forms such as forgings and plates.

Applications:

Typical applications of grade 2205 stainless steels include the following:

for oil refining, fertilizer, paper, petroleum, chemical resistance, high temperature concentrated nitric seawater heat exchangers and cold shower unit and devices.Duplex 2205 duplex stainless steel alloy is 21% chromium, 2.5% molybdenum, and 4.5% of nickel, nitrogen alloyed stainless steel. It has high strength, good toughness and good overall and partial resistance to stress corrosion.

1)Pressure vessels, high pressure storage tanks, high pressure piping, heat exchangers (chemical processing industry).

2)Oil and gas pipelines, heat exchangers, pipe fittings.

3) Sewage treatment systems.

4)Pulp and paper industry classification, bleaching equipment, and stock-handling system.

5)High strength corrosion environment rotary shaft, press rolls, blades, impeller.

6)Ship or truck cargo box.

7)Food processing equipment.

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Categories	Stainless Steel Round Bar
Brand Name:	BAO STEEL
Model Number:	S31803
Certification:	SGS BV,ISO
Place of Origin:	China
MOQ:	2 Tons
Price:	3500 USD/Ton
Payment Terms:	L/C, T/T
Supply Ability:	500 tons per month
Delivery Time:	10 Working Days
Packaging Details:	export packing
Grade:	S31803
OD:	8-400MM
Surface:	Black and Bright
Type:	Round Bar
Application:	marine service, shipbuilding
Special Use:	OIL