The connection of SO flange steel
structure conforms to the principle of reliable, clear force
transmission, simple structure, convenient manufacturing and saving
materials. The joint shall have sufficient strength and sufficient
air direction suitable for the execution of the joint means. The
connection method of the system structure can be divided into weld
connection, rivet connection and bolt connection. Weld joint is the
main joint of modern structure. Its advantages of simple structure,
any form of components can be directly connected; Material economy,
does not weaken the section, production and processing is
convenient, can realize automatic operation, the connection is
closed well, the structural stiffness of its disadvantage is in the
weld near the heat-affected zone, the material of the whole phase
of the change, resulting in the change of material, residual stress
and residual deformation of the compressive member bearing capacity
is reduced to crack structure, with crack day love, it is easy to
expand to the whole, The problem of low temperature cold cell is
more prominent. Because of the complex structure and the cost of
steel and labor, rivets are seldom used now. But the foot nail
connection type and system is better, the force transfer is called
by, the care is easy to check, in some heavy and directly bear the
dynamic load structure, sometimes still used. Zheng bolt connection
Zheng bolt connection Kennedy bolt connection and degree bolt
connection two kinds of general bolts are divided into, grade. Next
and grade is bonded bolt, grade is leased bolt grade Bolt material
energy grade is Grade or Grade. The number before the decimal point
indicates that the tensile strength of the finished bolt is not
less than; the number after the decimal point and the decimal point
indicates that the cage strength ratio of the compulsory service
point to the tensile strength ratio is or the material energy of
the collar and grade bolt is slow; the tensile strength is not less
than; the term strength ratio isProduct DescriptionProduct
Name304/316 Stainless Steel Flange and Pipe Fittings RF/RJ/FF/M/FM
ANSI/JIS/DIN/EN/BS/GOST Cl150/Pn10/Pn16 Forged Stainless Steel
Plain Welded FlangeSizeDN15-DN1200, biggest outside diamater can be
up to 6000mmPressure150#-2500#,PN2.5-PN400,5K-40KStandardGOST
12820-80,ANSI B16.5,EN1092, BS4504, JIS B2220-2012, DIN, AMSE
B16.5,UNI etc.Wall ThicknessSCH5S, SCH10S, SCH10,
SCH40S,SCH20,SCH30,SCH40, SCH60, SCH80, SCH160MaterialStainless
steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S,
A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307,
1.4401, 1.4571,1.4541, 254Mo and etc.Carbon steel: A105, A350LF2,
S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515
Gr 70 etc.Duplex stainless steel: UNS31803, SAF2205, UNS32205,
UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and
etc.Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694
F70, A694 F80 etc.Nickel alloy: inconel600, inconel625, inconel690,
incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20
etc.Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9,
16mo3,15Crmo, etc.ApplicationPetrochemical industy;pharmaceutical
industry;gas exhaust;power plant;ship buliding;water
treament,etc.Advantagesready stock,faster delivery time;available
in all sizes,customized;high qualityDetailed
PhotosCertificationsCompany profile Cangzhou
Youlong Pipe Fitting Manufacturing Co., LTD was established in
January 2019.The factory is located in the Mengcun, the capital of
hardware fittings,Cangzhou city, Hebei Province .The location of
the company has convenient transportation.The registered capital of
the company is 120 million yuan. The factory covers an area of more
than 235,000 square meters. Our company has more than 70 sets of
large-scale production equipment, the workshop area is 116000
square meters,integrates production,processing and testing
in-house. The company is mainly engaged in the processing and
manufacturing of pipe fittings, pipe and pipe fittings
anti-corrosion insulation, operates pipe fittings, pipes, flanges,
steel pipes and other products. The factory has passed ISO 9001
quality system certification and has various qualifications such as
special pipe fitting production license.Our products sell well in
Russia, Spain, Canada, Germany, France and other more than 100
countries and regions. Since its establishment, the company has
always focused on the production of high quality products. In order
to ensure the quality of raw materials and products, we have set up
our own quality inspection and R&D team with 32 engineers of
all kinds.And we have our own laboratory and a complete quality
control system.This also makes our products in power generation,
petroleum, chemical, natural gas, shipbuilding, heating, paper,
metallurgy and other industries are very popular, won the praise of
customers at home and abroad. Our company will continue to take
"advanced management and innova
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