UNS S31726 datasheet,UNS S31726 chemical,UNS S31726 heat treatment

UNS S31726
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※ DATA SHEET - ASTM 317LMN / UNS S31726※※ MATERIAL CATEGORY: 19Cr-16Ni-4Mo Austenitic steel※ PRODUCT DESCRIPTIO...

※ DATA SHEET - ASTM 317LMN / UNS S31726 ※ 

※ MATERIAL CATEGORY: 19Cr-16Ni-4Mo Austenitic steel

※ PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD /VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the softened condition.
Final heat treatment - solution treatment / QT

※ MATERIAL SPECIFICATIONS
ASTM A959 (2004), A276, A312, A632, A176, A580
 
※ AVAILABILITY
Black bar /Flat bar / steel strip / square bar
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
 
※ CHEMICAL COMPOSITION (WEIGHT %) - ASTM 317LMN / UNS S31726
C(%):     ≤0.03
Si(%):    ≤1.00
Mn(%):   ≤2.00
P(%)≤:    0.045
S(%)≤:    0.03
Cr(%):    17.0~20.0
Ni(%):    13.5~17.5
Mo(%):   4.00~5.00
Other(%): N 0.10~0.20
 
※ MECHANICAL PROPERTIES ( FINAL HEAT TREATMENT OR Q/T)
Form: Plate,sheet,strip
σb/MPa:   550
σ0.2/MPa:    240
δ(%):    40
ф(%):   -
Hardness | HRB:  96
Hardness (HBW): 223
Cold bending property: N
 
※ HEAT TREATMENT PRACTICE
Heat treatment is only suitable for specific grades of
stainless steel. When heat treating a stainless the hardening temperatures, including rate of heating, cooling and soaking times will vary due to several factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult with the heat treatment provider for whole guidance on heat treatment of stainless steel grades. We are delighted to help to work with you the special heat treatment based on your special requirements.
 
※ INVENTORY - hot forged disc
Diameter:  65mm
Quantity:   28kg
 
※ TYPICAL APPLICATIONS
Chemical equipment
Mechanical parts used in the condition of corrosion resistance
Bolt and nut
Pressure vessel
 
※ TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
Product engineer: Mr. Chen, Mr.Jiang
※ PRODUCT PROFILE
Round bar / Wire rod (Diameter):  0.50mm to 3000mm
Square bar / Flat bar: 3mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 2500mm
Width: 8mm to 2500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm. 
 

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