Product Details
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!
Company Profile
Gnee Steel Co.,Ltd (GNEE) is the affiliated company for ANGANG
GROUP who are one large state-owned iron and steel group located in
Henan, China.
GNEE are specialized in manufacturing and supplying large
quantities Seamless steel pipes and Shipping-building plates, We
are provide high quality steel of Steels and Coils, plates, tool
steels,steel pipes and other steel products with guaranteed Grade-A
quality, excellent performance and competitive prices.
All of steel products from GNEE have been exported to overseas
distributors, warehouses, and factories in USA, Mid-east, Europe,
Bangladesh, Sri Lanka, Egypt, Saudi Arabia, and other countries and
regions. Therefore, GNEE has got a great market share in the
international market.
GNEE have a professional technician team, which not only have
decades working experience in steel industry, but also have a deep
and clear insight of the technology condition and the manufacturing
state in the Chinese main steel mills.
With the high efficient supervision system and professional
experience, we offer our efficient and considerate service to
clients around the world. We hope sincerely to become your Chinese
supplier and partner.
Our company will remain honest and pragmatic as always to
safeguard, strengthen and carry forward our National Brand, provide
quality commodities and top-class services to domestic and overseas
clients. We sincerely wish to develop long-term win-win cooperation
with domestic and overseas clients.