ASTM A312 Cold Drawn Rolling Seamless Pipe
ASTM A312 is the standard established by the American Society for Testing and Materials for "Austenitic Stainless Steel Seamless Steel Pipes and Welded Steel Pipes". When austenitic stainless steel contains about 18% Cr, 8%~25% Ni, and about 0.1% C, it has a stable austenite structure.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of astm a312 cold drawn rolling seamless pipe in China, also supports customized service with low price. Welcome to wholesale discount astm a312 cold drawn rolling seamless pipe for sale here from our factory. Contact us for free sample.
ASTM A312 Seamless Pipe
ASTM A312 Seamless Steel Pipe
ASTM A312 stainless steel pipe is widely used in high temperature service and general service with pipe sizes ranging from 1/8" to 30" OD and wall thicknesses from Schedule 5S to 80S.
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Surface |
Polishing,annealing,pickling,bright |
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Type |
hot rolled and cold rolled |
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Package |
Plastic bag packed or wrap packed |
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Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,paper |
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ASTM A312 Stainless Steel Pipe Tolerances
Outside Diameter
| Outside Diameter, NPS | Tolerance, Inch |
|---|---|
| 1/8 To 1-1/2, Incl | Over 1/16 Under 1/32 |
| Over 1-1/2 To 4, Incl | Over 1/32 Under 1/32 |
| Over 4 To 8, Incl | Over 1/16 Under 1/32 |
| Over 8 To 18, Incl | Over 3/32 Under 1/32 |
| Over 18 To 26, Incl | Over 1/8 Under 1/32 |
| Over 26 To 34, Incl | Over 5/32 Under 1/32 |
| Over 34 To 48, Incl | Over 3/16 Under 1/32 |
Wall Thickness
| NPS | Wall Thickness Tolerance, % |
|---|---|
| 1/8 To 2-1/2 Incl., All T/D Ratios | Over 20.2 Under 12.5 |
| Over 3 To 18 Incl., T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
| Over 3 To 18, Incl., T/D > 5% | Over 15.0 Under 12.5 |
| 20 And Large, Welded, All T/D Ratios | Over 17.5 Under 12.5 |
| 20 And Large, Seamless, T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
| >20 And Large, Seamless, T/D > 5% | Over 15.0 Under 12.5 |
ASTM A312 Stainless Steel Seamless Pipe
Other Stainless Steel Pipe
Duplex S32304 S32205 S32750 Stainless Steel Pipe
ASTM A312 TP 304 310 316 Stainless Steel Pipe
ASTM 304L Stainless Seamless Steel Pipe
FAQ：
Q1:What product information must I provide before making a purchase?
Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.
Q2:What shipping ports are there?
We normally ship from Shanghai,Tianjin, Qingdao, and Ningbo ports
Q3:What are your payment terms?
30% T/T in advance and 70% balance before shipment or based onBL copy or LC at sight.
Q4:What about product pricing information?
Prices vary due to changes in raw material prices on a regular basis.
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