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High Temperature Alloys

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China Manufacturer Special Steel High Quality 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.

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Model: Alloy 317 & 317L Stainless Steel
Brand: 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:
GradeContentCSi MnSNiCrPMoCuNFe


317Min



11.00 18.00 
3.00 

BAL


Max0.08 0.75 2.00 0.0315.00 20.00 0.045 4.00 -0.10 BAL


317LMin



11.00 18.00 
3.00 

BAL


Max0.03 0.75 2.00 0.0315.00 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 PropertiesApplication:
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.
317RT205 515 35 217 
317LRT205 515 40 217 


Product Name
Type Seamless / Welded
ShapeSquare / 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
ThicknessSeamless 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 Time7-40 days
Trade TermFOB 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.
TransportationBy air, by sea, by train, by truck
SampleFree
WarrantyTrade assurance after sales service

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