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ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry

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ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry

China ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry supplier
ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry supplier ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry supplier ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry supplier ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry supplier

Large Image :  ASTM A249 A269 304L 316 Stainless Steel Pipe Tube For Food Milk Processing Industry

Product Details:

Place of Origin: CHINA
Brand Name: HAOSTEEL
Certification: ISO9001
Model Number: HS304 Stainless steel pipe

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.
Delivery Time: 5-10 working days after order confirmed and receive deposit
Supply Ability: 5000tons per month
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Detailed Product Description
Product: 304 Stainless Steel Pipe Standard: ASTM, AISI, DIN, EN, GB,JIS
Grade: 304 304L 316 316L Surface: Polished ID/OD 320grit 6m
C: Max 0.08% Cr: 18%-20%
Ni: 8%-10.5% Thickness: 0.3mm ~ 30mm
OD: 1mm ~ 4800mm Length: Max 12m

STM A249 A269 A270 304 304L 316 316L Stainless Steel Tube Pipe For Food / Milk Processing Industry​

Specification Scope :

This specification applies to general tube and food / milk processing industry (FQ).

Equivalent standards :

AS1528.1 - Tubes for the food Industry
ASTM A249 & A269 - Boiler, heat exchanger and condenser tubes

ASTM A270 - Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
ASTM A554 - General & Architectural Application

JIS G3447 - Stainless steel sanitary pipes

JIS G3463 - Stainless steel boiler and heat exchanger tubes.

Available sizes :

Tube sizes range from 6.35 mm to 203.2 mm outside diameter.

Grades of Material :

304, 304L,316, 316L Stainless Steel

Manufacture :

Automatic tig welding with no addition of filler metal

Heat treatment :

Tube is not post weld heat treated except for Standards ASTM A269 & A249 where tube is annealed

Material Tests

Grades TP 304 TP 304L TP 316 TP 316L
C max 0.07 0.03 0.08 0.03
Mn max 2.00 2.00 2.00 2.00
P max 0.045 0.045 0.045 0.045
S max 0.03 0.03 0.03 0.03
Si max 0.75 0.75 0.75 0.75
Cr 17.5 -- 19.5 17.5 -- 19.5 16 -- 18 16 -- 18
Ni 8 -- 10.5 8 -- 12 10 -- 14 10 -- 14
N max 0.10 0.10 0.10 0.10
Mo -- -- 2.00-3.00 2.00-3.00

Mechanical Tests

Except tube made to ASTM A249 and specifically requested otherwise Yield stress , Tensile tests & Hardness Mn - Manganese tests are from coil manufactured to ASTM A240 / 480.

Yield Stress (Coil)

TP 304 & TP 316 205 MPa min
TP 316L & TP304L 170 MPa min

Tensile Stress (Coil)

TP 304 & TP 316 515 MPa min
TP 316L & TP 304L 485 MPa min

Elongation (Coil)

40% Minimum (50mm test piece)

Hardness tests (Coil)

TP 304 & TP 304L 92 HRB / 202 HB30 max
TP 316 & TP 316L 95 HRB / 217 HB30 max

Tube Weld Integrity Tests

Reverse Bend Test :
Flatten to 2 times material thickness.

Flare / Cone Test :
Minimum 1.21 tube diameter (60 deg included angle).

Flange Test :
Minimum 1.10-1.15 tube diameter.

Eddy Current Test :
All tube diameters are on-line eddy-current tested.

Tube Dimensional Tolerances

Outside diameter (OD)

O/D ≤ 31.8 µm ± 0.13 µm
31.8 < O/D ≤ 76.2 µm ± 0.25 µm
101.6 < O/D ≤ 127.0µm ± 0.38 µm
152.4 < O/D ≤ 203.2µm ± 0.76 µm

Ovality :
Difference between maximum and minimum diameters at any one cross section to be within max & min sizes as above.

Thickness tolerance :
to ±0.10mm (AS 1528:1)

Weld Bead :

Weld bead of tube without cold work controlled to 110% of wall thickness

Straightness :
Maximum of 1.0 mm / metre

Length tolerance :
Standard length 6 metres -0 /+35 mm Cut to exact length jobs, by agreement (+/- 1 mm)

Finish

End finish :
Sizes to 203.2 deburred both ends

Finish internal :
Tubes with diameter greater than or equal to 31.8 mm are internally cold worked (Internal weld beaded to tube surface). Tubes with diameter less than 31.8 mm are in as welded condition and internal weld height is controlled to a minimum height.

Finish external :
Available as follows:

As welded condition (external weld bead removed).
May have forming, straightening & weld polish cross hatch marking.

Standard Polished equivalent to 320 Grit - typical Ra = 0.5µm to 0.8 µm
Minor form marks may be visible. .

Documentation & Packaging

Packaging :
Polished Tube is individually plastic sleeved in a bundle with steel strapped cleats and plywood for forklift plate.

Traceability :
Controlled batch traceability from raw material to finished tube. For traceability purpose the tube is either inkjet marked or attached with label identifying sizes , batch & trace numbers.

Test certificate :
Raw material test certificates are available on request. Certificate of Test of Finished Tube is provided for the tube dispatched under ASTM A249/ A269.

Contact Details
Shanghai Haosteel Co., Limited

Contact Person: Haosteel

Tel: +8615214384812

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