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ASTM A312 / A249 304 316L Seamless Steel Pipe Pickled Industrial 8" Sch80

Categories Seamless Stainless Steel Pipe
Brand Name: Baosteel
Model Number: 304,316L
Certification: ISO,
Place of Origin: Shanghai,China
MOQ: 1 Ton
Price: Negotiation
Payment Terms: L/C, T/T, Western Union
Supply Ability: 600Tons/Month
Delivery Time: 7-15 working days
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Surface: Acid white surface
Length: 6m or customer request
OD: 14MM or customer
Thickness: 3MM or customer
Sample: Can be provide
Moq: 1 ton
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ASTM A312 / A249 304 316L Seamless Steel Pipe Pickled Industrial 8" Sch80


ASTM A312 / A249 304 316L Seamless Steel Pipe Pickled Industrial 8" Sch80


300 Series SS Smls Pipe, 2205 309S 310S 904L

Seamless Stainless Steel Pipe,Annealed And Pickled


Quick Detail:


ASTM A249 Dimension tolerance table
Outside DiameterThicknessLength
<25.4mm±0.10mm±10%OD<50.8mm +3.0mm-0mm
OD≥50.8mm +5.0mm-0mm
≥25.4~38.1mm±0.15mm
≥38.1~50.8mm±0.20mm
≥50.8~63.5mm±0.25mm
≥63.5~76.2mm±0.30mm
≥76.2~101.6mm±0.38mm
≥101.6~190.5mm+0.38mm -0.64mm
≥190.5~228.6mm+0.38mm -1.14mm

TMTP304≤0.08
≤0.035
≤0.08
≤0.035
≤1.00
≤1.00
≤1.00
≤1.00
≤2.00
≤2.00
≤2.00
≤2.00
≤0.045
≤0.045
≤0.045
≤0.045
≤0.03
≤0.03
≤0.03
≤0.03
8.00~11.00
8.00~13.00
10.00~14.00
10.00~14.00
18.00~20.00
18.00~20.00
16.00~18.00
16.00~18.00
2.00~3.00
2.00~3.00
TP304L
TP316
TP316L

Hot Rolled Seamless Steel Tube
Hot rolled seamless steel pipe is divided as one of seamless steel tubes according to production methods.Hot rolling is relative to the case of cold rolling, cold rolling was conducted at room temperature and hot rolling is carried out above the recrystallization temperature rolling. Welded steel pipe and seamless steel pipe, seamless steel pipe is usually made of round steel perforated reprocessing, welded steel pipe are usually made of steel plate welded together by different ways.
Hot rolled seamless steel tube diameter is usually over 38 mm.Smaller diameter seamless steel tube can be obtained by means of cold rolled or cold drawn.


Hot rolled seamless steel tube process
Hot rolled seamless steel tube in automatic pipe mill production unit.Solid billet through inspection and clear the surface defects, cut into the required length, centering on the tube billet perforation end face, and then sent to a heating furnace, punched on the punch.In perforated revolve and progress at the same time, under the action of roll and head, tube billet internal cavity formed gradually, according to the capillary.Then sent to automatically continue rolling mill.Finally approved by reeling mill all the whole wall thickness, the sizing sizing machine, to meet the specification requirements.Using continuous rolling pipe unit production of hot-rolled seamless steel tube is more advanced methods, usually process is: through hot rolled seamless steel pipe: the circular tube billet - heat - punch - three-roll skew rolling, rolling, or pressing - to take off the tube and sizing (or reducing) - cooling - the tube billet - straightening - hydrostatic test (or inspection) to tags, put in storage.


ASTM A312/DIN17456/JIS G3459 stainless steel seamless pipe, cold drawn/cold rolledASTM A312/A213 TP310,TP310S,TP347,TP347H,TP321H seamless pipe / tubing .


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