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High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn

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High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn

High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn
High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn

Large Image :  High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn

Product Details:
Place of Origin: China
Brand Name: DELTA
Certification: ISO 9001
Model Number: 201 304 316l 410 416 420 431 440 630.etc
Payment & Shipping Terms:
Minimum Order Quantity: 500 kgs
Price: 1600 - 4200 USD/Kg
Packaging Details: packing for export
Delivery Time: 5 - 12 days based on the quantity
Payment Terms: L/C, T/T, Western Union
Supply Ability: 20 Ton / Month

High Precision 416 Stainless Steel Hexagonal Round Bar Cold Drawn

Description
Products: Stainless Steel Hexagonal Bar Grade: 201 304 316l 410 416 420 431 440 630.etc
Diameter: S4 - S70 Length: 4 - 6m As Request
Surface: Bright Process: Cold Drawn
Service: Cutting MOQ: 500 Kgs
Loading Port: Shanghai , China Other Shape: Round , Square , Angle , Channel , Flat.etc
High Light:

High Precision Stainless hex Round Bar

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Cold Drawn 416 ss Round Bar

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Hexagonal Stainless Steel Round Bar

High Precision 416 Stainless Steel Bar / Stainless Steel Hexagonal Bar / 416 Stainless Steel

 

Product Description:

 

Product Name stainless steel hexagon bar
Standard JIS, AISI, ASTM, GB, DIN
Size Diameter : S6-S65mm or as request
Length Normal long 4M, Or as your request
Surface Bright ,hairline finsh
Technics cold drawn and polishing
Mainly Grade 201 303 304 304L 316L 410 416 420 431 440(A B C) 17-4PH.etc
Application construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields ,etc.
Packing Export standard or as customers' requirement
Delivery time Within 15 working days, according to customers' quantities
Payment L/C or T/T
MQQ 1 Ton
Quality High Quality.SGS inspection is accepted if needed
Productivity 500 Tons/Month
Attention We will supply you good quality and bottom price and first-class service in china and hope to be your golden supplier

 

Size of our hexagon stainless steel bar in stock:

 

201 304 316L stainless steel hexagon bar
Size S6 S8 S10 S11 S12 S13 S14 S15 16 S17 S18 S19 S20 S21 S22 S24 S25 S26 S28 S29 S30 S31 S32 S33 S36 S38 S40 S41 S42 S46 S50 S55 S60 S65

 

Grade 416 steel is a free-machining stainless steel with a machinability of 85%, highest of all stainless steels. With most of the free-machining stainless steels, the machinability can be improved by adding sulphur, which leads to the formation of manganese sulphide inclusions. Addition of sulphur also reduces the formability, weldability and corrosion resistance of 416 steels to below that of grade 410. Because of their high machinability and low cost, grade 416 steels are available in highly tempered, hardened or unhardened forms.

Martensitic steels with high hardness are manufactured using methods that require final hardening and tempering treatments. The corrosion resistance of these steels is lower than that of austenitic steels. Decrease in the ductility of martensitic steels at sub-zero temperatures, and strength at high temperatures due to over-tempering, are the two key factors that affect their operating temperatures.

Key Properties

The following sections will discuss the properties of grade 416 steel bar products of ASTM A582. The specified properties may not be similar to other forms such as forgings and wires.

Composition

The chemical composition ranges of grade 416 stainless steels are given in the following table:

Table 1 - Composition ranges for grade 416 stainless steels

 

Grade C Mn Si P S Cr Mo
416

min.

max.

-

0.15

-

1.25

-

1

-

0.06

0.15

-

12

14

-

0.6

Mechanical Properties

The table below provides the mechanical properties of grade 416 stainless steels:

Table 2 - Mechanical properties of grade 416 stainless steels

 

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength
0.2% Proof (MPa)
Elongation
(% in 50mm)
Hardness Brinell
(HB)
Impact Charpy V (J)
Annealed * 517 275 30 262 -
Condition T ** 758 586 18 248-302 -
204 1340 1050 11 388 20
316 1350 1060 12 388 22
427 1405 1110 11 401 #
538 1000 795 13 321 #
593 840 705 19 248 27
650 796 670 17.5 253 38

* Annealed properties are typical for Condition A of ASTM A582.
** Hardened and tempered Condition T of ASTM A582 - Brinell hardness is specified range, other properties are typical only.
# Tempering of this steel at temperatures of 400 to 580°C should be avoided due to low impact resistance.

Physical Properties

The key physical properties of annealed grade 416 stainless steels are tabulated below:

Table 3 - Physical properties of annealed grade 416 stainless steel

 

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion
(μm/m/°C)
Thermal Conductivity
(W/m.K)
Specific Heat 0-100°C
(J/kg.K)
Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
416 7800 200 9.9 11 11.5 24.9 28.7 460 570

Grade Specification Comparison

The following table outlines the grade comparisons for 416 stainless steels:

Table 4 - Grade specifications for grade 416 stainless steels

 

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
416 S41600 416S21 56AM 1.4005 X12CrS13 2380 SUS 416

Possible Alternative Grades

Appropriate alternatives to grade 416 stainless steels are given in the table below:

Table 5 - Possible alternatives to 416 grade stainless steels

 

Grade Why it might be chosen instead of 416
410 The high machinability of 416 can be sacrificed to gain better corrosion resistance and formability.
303 A slight drop in machinability to gain better availability. Grade 303 is non-hardenable.
182 A free-machining Ferritic grade with better "soft magnetic" performance for solenoid shafts. Grade 182 is non-hardenable.


Heat ResistanceGrade 416 steels are highly resistant to acids, alkalis, fresh water and dry air. However, they are less corrosion resistant than non-free-machining steels, austenitic grades and grade 430 Ferritic alloys with 17% chromium. These steels are hardened to obtain maximum corrosion resistance and smooth surface. 416 free-machining grades with high sulphur content are inappropriate for chloride and marine environments.

Scaling resistance of grade 416 steels under intermittent conditions can be extended up to 760°C, and up to 675°C under continuous operations. Considering the sustainability of mechanical properties, 416 steels should not be employed at temperatures greater than the standard tempering temperatures.

Heat Treatment

Full Annealing - Grade 416 steel can be annealed at temperatures of 815 to 900°C for ½ h. This process is followed by cooling at 30°C for an hour and air-cooling.

Sub-Critical Annealing - Grade 416 steel is heated to 650 to 760°C and air-cooled.

Hardening – This process involves heating grade 416 steels to 925 to 1010°C, oil quenching and tempering to improve mechanical properties. Tempering should not be carried out at temperatures ranging from 400 to 580°C, owing to poor ductility of grade 416.

Welding

Grade 416 steel exhibits poor weldability. Welding can be carried by pre-heating 416 steels to 200 to 300°C, followed by re-hardening, annealing or stress relieving at 650 to 675°C.

Grade 410 low hydrogen electrodes can be used for welding purposes. Grade 309 filler rods can also be used for materials that require moderate hardening.

Machining

Grade 416 steels offer the highest machinability of any stainless steel in their sub-critical annealed condition.

Applications

Some of the major applications of grade 416 stainless steels are listed below:

  • Valves, pump shafts and motor shafts
  • Parts of washing machines
  • Gears, bolts, nuts and studs
  • Automatic screw-machined components

Service:

 

Cutting our bars into any length. Cutting side is smooth without burr.

 

 

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