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Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate

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Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate

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Brand Name : GNEE

Model Number : Seamless Steel Pipe

Certification : ISO 9001

Place of Origin : Henan

MOQ : 3 ton

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 2500 ton/tons per month

Delivery Time : 5-8 work days

Packaging Details : Standard Sea-worthy Packing

Special Pipe : API Pipe

Thickness : 5 - 16 mm

Tolerance : ±1%

Certificate : ISO9001

Surface Treatment : Hot Rolled

Outer Diameter : 4.5 - 18 inch

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Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate

Seamless steel pipes might naturally be more durable and reliable because there is no seam, but that level of strength might not be needed for the project. One of the finer points of engineering is using the correct amount of materials without wasting more money than is necessary. Seamless steel pipes might then be necessary for machinery, as the stronger steel lasts longer and is less susceptible to failure.

Composition ranges for 304 grade stainless steel

Grade C Mn Si P S Cr Mo Ni N
304 min. - - - - - 18.0 - 8.0 -
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
304L min. - - - - - 18.0 - 8.0 -
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
304H min. 0.04 - - - - 18.0 - 8.0 -
max. 0.10 2.0 0.75 0.045 0.030 20.0 10.5

Mechanical properties of 304 grade stainless steel

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

"Quality assurance, customer first" is our consistent business philosophy, and our company will continue to provide every customer with quality products at low prices, as well as efficient and quality services! Let customers really feel our sincerity!

Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate


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