Stainless Steel pipe

Structural steel pipe,Stainless steel pipe,Drill pipe
ASTM A 312 316L Stainless Steel tubes

ASTM A 312 316L Stainless Steel tubes

Size : OD: 1/2”-2000mm WT: 0.59-40mm, Length: 0.5mtr-20mtr

Standard & Grade : ASTM A312,ASME SA312/SA312M Grade 304, 304L, 310S, 316, 316L, 316Ti, 347, 347H, 904L, 347, 347H, 321, 410,

ASTM A312 Gr. 316L Stainless Steel SMLS Pipes, ASTM A358 TP316L Stainless steel EFW pipes /smls Pipes & Tubes, ASME SA312 TP 316L Stainless steel tubes and Pipes in Welded; ASTM A312 Gr. 

Tubing End: Bevel end, Plain end; Threaded;

A312 pipe Manufacturing Types

ASTM A312 stainless steel pipe and tube covers following manufacturing types (Including hot finished or cold finished):
a. Seamless Pipe (SMLS): It covers stainless steel seamless pipe or tube in hot rolling or cold drawn.
b. Welded Pipe (WLD): Welded by an automatic welding process that does not add filler metal when welding.
c. Cold Worked Pipe (HCW pipe): The heavy cold-worked pipe that apply cold working of not less than 35% reduction in thickness of both wall, and welded to the welded pipe prior to final annealing. Do not use fillers during welding.
d. Welded and HCW pipe: Welded pipe and HCW pipe of 14 and smaller than NPS 14 shall have a single longitudinal weld. After approval by the purchaser, the welded pipe and HCW pipe with an NPS greater than NPS 14 shall have a single longitudinal weld or shall be manufactured by forming and welding two longitudinal sections of flat stock. So each welds are to be tested, inspected, inspected or treated.

Pipe Process of ASME SA312 316L Stainless Steel Seamless tube / ASTM A312 316L Stainless Steel Seamless Pipes
Round Bar → Inspection & Analysis → Cut to Length → Coutering → Peel → Heating → Perforation → Inspection of Size → Pickling → Inspection of Surface → Lubricating  → Cold-Drawing(Cold-Rolling) → Degreasing → Annealing→ Straightening → Cut → Corp End Cutting off → Pickling/Passivating → Final Inspection( UT/ET TEST or Hydrostatic Test) → Marking → Packing → Shipping

Product manufacturing standard:

GB

ASTM/ASME

JIS

DIN

EN

GB/T14975-2002

A213/A213M

G3446 G3447

DIN2462

EN10216-5

GB/T14976-2002

A249/A249M

G3448 G3459

DIN2463

EN10217-7

GB13296-2007

A790/A790M

G3463 G3468

DIN17457


GB/T12771-2008

A269 A358


DIN17458


GB/T12770-2000

A511 A688




GB/T19228.2

A778 A789




HG20537.2-92

A790




HG20537.3-92

B163 B167




HG20537.4-92

B338 B407




SH3501-2002

B423 B444





B622 B668





B677 B829




Steel Grades:

Austenitic

Duplex

Nickel Stainless

Ti

Ferrite

304/L/H

S31500

600625

Grade1

409L

310S/H

S32101

800825

Grade2

439

316/L/H

S32003

400

Grade3


317/L

S32304

N06985



321/H

S31803

N10276



347/H

S32205




S30432

S32750




S31042

S32760




904L





6Mo(S79054)





Application of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:

1. Petrochemical industry;
2. Electric industry;
3. The shipbuilding industry;
4. Low-pressure heater;
5. Offshore Oil platform;
6. Nuclear Power industry
7. The Oil and Gas industry;

Chemical Composition of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:


Mechanical Properties of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:


Grade Specifications of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:

DIMENSION Tolerance of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:

Wall Thickness

Permitted Variations in Wall thickness (%)

Tolerance, % from Nominal

NPS Designator

Over

Under

1/8 to 2 1/2., all t/D ratios

20

12.5

3 to 18 incl., t/D up to 5% incl.

22.5

12.5

3 to 18 incl., t/D > 5%

15

12.5

20 and larger, welded, all t/D ratios

17.5

12.5

20 and larger, seamless, t/D up to 5% incl.

22.5

12.5

20 and larger, seamless, t/D > 5%

15

12.5

where: t=Nominal Wall Thickness D=Ordered Outside Diameter




Outside Diameter

Length(mm)

Permitted Variations in Outside Diameter (mm)

OD

Tolerance

Tolerance

10.29 - 48.26

20

+6 /-0

48.26 - 114.30

22.5

114.3 - 219.08

15

219.08 - 457.20

17.5


Other Types of ASME SA312 316L Steel tube / ASTM A312 316L Stainless Steel tubes:

ASME SA312 / ASTM A312 316L SS SMLS Pipe

ASME SA312 / ASTM A312 316L SS Welded Pipe

ASTM A312 GR.316L Boiler Pipes Supplier

SA249/ A249 TP316L Inox Tubes and pipes

S31603 ASME SA312 Seamless Steel Pipes Exporter

ASTM A249 316L inox Steel Welded Tubing Stockist

A312 X5CrNiMo17-12-2 Mechanical Pipes in Iraq

316L ASTM A312 Stainless Steel welded Mechanical Tubes

ASTM A312 GR.316L Cold drawn Seamless Steel Pipe in Korea

A358 S31603 welded Inox Steel Tube stockist

ASTM A312 1.4404 X5CrNiMo17-12-2 Hot Finished Seamless Steel Pipe in Germany

A249 / SA249 Grade 316L ERW Welded steel Tubes

IBR Approved GR.316L ASTM A312 Pipe

IBR Approved ASTM A312 GR.316L Tubing Stockist

ASTM A312 Steam Boiler Pipes in Peru

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High Quality GR.316L A312 Boiler Pipes in Malaysia

SUS 316L High Quality Boiler Tubes Manufacturer

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