Socket Countersunk Head Screw DIN7991 Made by Duplex 2205

• Customization: Available
• Material: 1.4462/2205
• Type: Hexagon Head
• Model NO.: DIN7991
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, ISO
• Grade: 1.4462/2205
• Application: Chemical Industry
• Finish: Passivation
• Price for The Size: M6X50
• Dimension: DIN7991
• Packing: Small Box
• Delivery Time: 20days
• Transport Package: CTN, Then in Pallet
• Specification: M6-24
• Trademark: HT
• Origin: Jiangsu, China
• HS Code: 731815000
• Production Capacity: 10ton/Month

Product Description

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Product Parameters

Duplex DIN7991 Countersunk Head Socket Screw

Name	Countersunk Head Socket Screw
Standard	DIN7991
Size Range	M5-M24
Finish	Bright&Clean
Marking	HT&FST or customization
Material	Duplex 2205 & Super duplex 2507 & S32760
Grade	Grade 80
Certificates	EN10204-3.1B
Non-standards	OEM is available, according to drawing or samples
Samples	Samples available
Package	Bulk in box and then in cartons, then on pallets, or according to customers' requirement.
Payment	T/T,Western Union

 

Duplex 2205

UNS	ID	JIS	W.Nr
S31803	F51	SUS32953L	1.4462

 

Chemical composition of stainless steel 2205 bolts

Alloy	%	Ni	Cr	Fe	Mo	N	C	Mn	Si	S	P
2205	Min.	4.5	21	Bal	2.5	0.08
	Max.	6.5	23		3.5	0.2	0.03	2	1	0.02	0.03

 

Minimum mechanical properties of duplex stainless steel F51 (S31803/2205/1.4462) nut alloy at room temperature

Tensile strength Rm N/mm2	Yield strength RP0.2 N/mm2	Elongation rate A5%	Brinell hardness HB
620	450	25	290

Super Duplex 2507

 

UNS	ID	AISI/ASTM	W.Nr
S32750	F53	2507	1.4410

 

 

Chemical composition of Super Duplex 2507

 

Alloy	%	Ni	Cr	Mo	N	C	Mn	Si	S	P	Cu
2507	Min.	6.0	24	3.0	0.24	0.08
	Min.	8.0	26	5.0	0.32	0.03	1.2	0.08	0.02	0.035	0.5

 

 

Minimum mechanical properties of alloy for Super Duplex 2507 at room temperature

 

Tensile strength Rm N/mm2	Yield strength RP0.2 N/mm2	Elongation rate A5%	Brinell hardness HB
800	550	15	310

 

 

Super Duplex S32760

UNS	ID	W.Nr
S32760	F55	1.4501

 

Chemical composition of duplex stainless steel F55 (S32760/1.4501) nut

Alloy	%	Ni	Cr	Mo	N	C	Mn	Si	S	P	Cu	W
F55	Min.	6.0	24	3.0	0.2						0.5	0.5
	Max.	8.0	26	4.0	0.3	0.03	1.0	1.0	0.01	0.03	1.0	1.0

 

Minimum mechanical properties of duplex stainless steel F55 (S32760/1.4501) nut alloy at room temperature

Tensile strength Rm N/mm²	Yield strength RP0.2 N/mm²	Elongation rate A5%
820	550	25

 

Product Description