Gnee Steel (tianjin) Co., Ltd.
| 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 |
| Brand Name | GNEE |
| Model Number | Seamless Steel Pipe |
| Certification | ISO 9001 |
| Place of Origin | Henan |
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Product Specification
| 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 |
| Brand Name | GNEE | Model Number | Seamless Steel Pipe |
| Certification | ISO 9001 | Place of Origin | Henan |
| High Light | Tp304 Stainless Steel Seamless Pipe ，Stainless Steel Seamless Pipe Iso 9001 ，Astm A312 Tp304 Pipe | ||
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 Details
Business Type:
Manufacturer,Trading Company
Year Established:
2008
Total Annual:
3000000-3500000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
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 qu... 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 qu...
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