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Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate

Categories Seamless Steel Pipe
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


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

GradeCMnSiPSCrMoNiN
304min.-----18.0-8.0-
max.0.082.00.750.0450.03020.010.50.10
304Lmin.-----18.0-8.0-
max.0.0302.00.750.0450.03020.012.00.10
304Hmin.0.04----18.0-8.0-
max.0.102.00.750.0450.03020.010.5

Mechanical properties of 304 grade stainless steel

GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maxBrinell (HB) max
3045152054092201
304L4851704092201
304H5152054092201
304H also has a requirement for a grain size of ASTM No 7 or coarser.



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