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Alloy 317 & 317L Stainless Steel

317L is an austenitic stainless steel. Mainly used for butterfly valve shafts, butterfly valve shaft sleeves, etc.
317L (00Cr19Ni13Mo3, UNS S31726) alloy is austenitic stainless steel based on molybdenum. Compared with conventional stainless steel, 317L alloy has higher ductility, stress corrosion resistance, compressive strength and high temperature resistance.
Quantity:
  • Alloy 317 & 317L Stainless Steel
  • Ronsco

317L (00Cr19Ni13Mo3, SUS317L) alloy is austenitic stainless steel based on molybdenum. Compared with conventional chromium-nickel austenitic stainless steels such as 304 alloy, it has stronger resistance to chemical corrosion. In addition, compared with conventional stainless steel, 317L alloy has higher ductility, stress corrosion resistance, compressive strength and high temperature resistance. It is low carbon grade or L grade, this grade has anti-sensitization performance during welding and heat treatment.


Application areas are:


Oil and natural gas industry equipment; offshore platforms, heat exchangers, underwater equipment, firefighting equipment; chemical processing industry, utensils and pipeline industry; desalination, high-pressure RO equipment and subsea pipelines; energy industry such as power plant desulfurization and denitrification FGD systems, industrial scrubbing systems , Absorption tower; mechanical parts (high-strength, anti-corrosion, wear-resistant parts).


Main specifications:


317L seamless pipe, 317L steel plate, 317L round steel, 317L forging, 317L flange, 317L ring, 317L welded pipe, 317L steel strip, 317L straight bar, 317L wire and supporting welding materials, 317L round cake, 317L flat steel, 317L hexagon bar, 317L size head, 317L elbow, 317L tee, 317L machined parts, 317L bolts and nuts, 317L fasteners.


317,  UNS  S31700, DIN W.Nr.1.4436
317L,UNS S31703, DIN W.Nr.1.4438
Genenal Introduction
Types 317 (S31700), 317L (S31703) are molybdenum-bearing austenitic stainless steels which are more resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels such as Type 304. These alloys also offer higher creep, stress-to-rupture and tensile strength at elevated temperature. In addition to excellent corrosion resistance and strength properties, the Types 316, 316L, 317, and 317L Cr-Ni-Mo alloys also provide the excellent fabricability and formability which are typical of the austenitic stainless steels. 
Chemical Composition:
Grade Content C Si  Mn S Ni Cr P Mo Cu N Fe


317 Min



11.00  18.00 
3.00 

BAL


Max 0.08  0.75  2.00  0.03 15.00  20.00  0.045  4.00  - 0.10  BAL


317L Min



11.00  18.00 
3.00 

BAL


Max 0.03  0.75  2.00  0.03 15.00  20.00  0.045  4.00  - 0.10  BAL


















Forms & Specifications
Bar & Profile: ASTM A276
Plate, Sheet & Strip: ASTM A240, AMS 5524,AMS 5907
Seamless pipe/tube: ASTM A312, ASTM A213, ASTM A269, ASTM A270,ASTM A271,ASTM A376,AMS 5573,AMS 5584
Welded pipe/tube: ASTM A312, ASTM A213, ASTM A269, ASTM A270,ASTM A249, ASTM A358,ASTM A409,ASTM A554, AMS 5573, AMS 5584
Pipe fittings: ASTM A403
Forgings: ASTM A473, ASTM A182
Physical Properties Application:
Density: 0.29 lb/in³ (8.03 g/cm3)
Melting Range: 2540-2630°F (1390-1440°C)
Modulus of Elasticity in Tension: 29 x 106 psi (200 GPa)
Modulus of Shear: 11.9 x 106 psi (82 GPa)
• Oil & petroleum refining equipment
• Food processing equipment
• Pulp and paper processing equipment
• Soap and photographic handling equipment
• Textile Industry Equipment
• Architectural
• Pharmaceutical processing equipment
Typical Mechanical Properties:
Minimum mechanical properties for annealed Types 316, 316L, 317 and 317L plate, sheet and strip as required by ASTM A240/ASME SA-240
Material  Temp℃ Yield Strength 0.2%
min. (mpa)
Tensile Strength
min.  (mpa)
Elongation %
min. 
Hardness HB
max.
317 RT 205  515  35  217 
317L RT 205  515  40  217 



Product Name
Type  Seamless / Welded
Shape Square / Rectangular / Round
Standard  GB,AISI,ASTM,DIN,EN,JIS
Grade  Stainless steel 304 / 304L / 310S / 316L / 317L / 904L / 2205 / 2507 / 32760 / 253MA / 254Mo / S31803 / S32750 / S32205 etc
Monel 400 / Monel K-500 
Inconel 600 / Inconel 601 / Inconel 625 / Inconel 617 / Inconel 690 / Inconel 718 / Inconel X-750
Incoloy A-286 / Incoloy 800 / Incoloy 800H / Incoloy 800HT
Incoloy 825 / Incoloy 901 / Incoloy 925 / Incoloy 926
Nimonic 75 / Nimonic 80A / Nimonic 90 / Nimonic 105 / Nimonic 263 / Nimonic L-605
Hastelloy B / Hastelloy B-2 / Hastelloy B-3 / Hastelloy C / Hastelloy C-276 / Hastelloy C-22
Hastelloy C-4 / Hastelloy C-200 / Hastelloy G-35 / Hastelloy X / Hastelloy N
Austenitic stainless steel 904L / XM-19 / 316Ti / 316LN / 371L / 310S / 253MA
DP steel 254SMo / F50 / 2205 / 2507 / F55 / F60 / F61 / F65 
PH stainless steel 15-5PH / 17-4PH / 17-7PH 
Out diameter  Seamless Pipe 6MM - 1174MM or customized
Welded Pipe 1.9mm - 5000mm or customized
Thickness Seamless Pipe 1mm - 80mm or customized
Welded Pipe 0.5mm - 80mm or customized
Max Length  Seamless Pipe 12000mm or customized
Welded Pipe 50000mm or customized
Finish  2B, Pickling, polished, brushed, sandblast, BA, EP,
Packing  waterproof polybag, wooden box, end cap, wooden crame/pallet
Inspection  TUV,SGS,BV,ABS,LR and so on
Application  Chemical, Pharmaceutical & Bio-Medical, Petrochemical & Refinery, Environmental, Food Processing, Aviation, Chemical Fertilizer, Sewage Disposal, Desalination, Waste Incineration etc.
Processing Service  Machining : Turning / Milling / Planing / Drilling / Boring / Grinding / Gear Cutting / CNC Machining 
Deformation processing :  Bending / Cutting / Rolling / Stamping 
Welded 
Forged 
Delivery Time 7-40 days
Trade Term FOB CIF CFR CIP DAP DDP EXW 
Payment  T/T, L/C,D/A,D/P, Western Union,MoneyGram,According to customer requirements payments for offline orders.
Transportation By air, by sea, by train, by truck
Sample Free
Warranty Trade assurance after sales service



certificate



PH Stainless Steel
17-4PH
17-7PH
15-5PH
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