The fatigue strength or endurance limit is the maximum stress below which material 304L Steel Sheet is unlikely to fail in 10 million cycles in air environment. The fatigue strength for austenitic 304L Steel Sheet, as a group, is typically about 35 percent of the tensile strength. Substantial variability in service of 304L Steel Sheet results is experienced since additional variables influence fatigue strength. As examples – increased smoothness of surface improves strength, increased corrosivity of service environment decreases strength.
The information of the specifications:
~Grade:201/201//316/316L/430
~Surface:2B,Ba,HL,4K,6K,8K,Mirror,No.1,No.2,No.4,No.5,Wire Drawing
~Size:
(1)Thickness:0.3mm~100mm or as customer's option
(2)Length:100mm~200mm,or as customer's option
(3)Width:1000mm,1219mm,1240mm,1800mm,2000mm
~Shipment:FOB&CFR&CIF
~Terms of Payment:30%T/T at least in advance,the balance against the copy of B/L
~Delivery Time:Negotiation with customer
~Technique:Hot rolled&cold rolled
~Packing:Standard export sea-worthy package,covered with PVC, and wooden case
~Application:Foodstuff, Gas, Metallurgy, Biology, Electron, Chemistry, Petroleum, Boiler, Nuclear energy, Medical equipment, Fertilizer etc.
~Surface:2B,Ba,HL,4K,6K,8K,Mirror,No.1,No.2,No.4,No.5,Wire Drawing
~Size:
(1)Thickness:0.3mm~100mm or as customer's option
(2)Length:100mm~200mm,or as customer's option
(3)Width:1000mm,1219mm,1240mm,1800mm,2000mm
~Shipment:FOB&CFR&CIF
~Terms of Payment:30%T/T at least in advance,the balance against the copy of B/L
~Delivery Time:Negotiation with customer
~Technique:Hot rolled&cold rolled
~Packing:Standard export sea-worthy package,covered with PVC, and wooden case
~Application:Foodstuff, Gas, Metallurgy, Biology, Electron, Chemistry, Petroleum, Boiler, Nuclear energy, Medical equipment, Fertilizer etc.
MACHINEABILITY AND WELDABILITY
Machinability is rated at 45% of B1112. Average cutting speed 75 ft/min. Easily welded by all commercial processes except forge or hammer welding. The resultant weld has good toughness and ductility. Annealing is recommended after forging to maintain maximum corrosion resistance. 304/304L can be forged between 2100°-2350° F. Do not forge below 1700° F.
HEAT TREATING
304/304L is not hardenable by heat treatment. Cold working increases tensile strength and hardness. Annealing range is between 1850° and 2050°F. Cool rapidly. Water should be used for heavier sections; air for lighter sections. The stress relieving range is between 400° and 750°F.
TOLERANCES
Plate Thickness - Inch | Tolerance* |
3/16 to 5/16 | +.045 / -.010 |
3/8 to 11/16 | +.055 / -.010 |
3/4 to 15/16 | +.060 / -.010 |
1 to 1-3/4 | +.070 / -.010 |
2 to 2-3/4 | +.125 / -.010 |
3 to 4 | +.175 / -.010 |
* Standard mill widths to 48"
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