TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, , D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 20000T/year |
| Delivery Time | 30-35work days |
| Packaging Details | packing in wooden boxes or in hexagonal bundles |
| Product name | ASTM A269 A312 Seamless Stainless Steel pipes for fliuid transport |
| Material | 200 Series/300 Series/400series |
| Shape | Round Section |
| Grade | 201/202/304 /304L/316/316L321/310s/410/420/430/440/439ect |
| Surface | pickling |
| Finish | heat treatment |
| Technique | Cold Rolled Hot Rolled |
| Length | 1-12M |
| OD | 3-420mm |
| WT | 0.5-50mm |
| Brand Name | TORICH |
| Model Number | GB/T14976 ASTM A269 A312 |
| Certification | ISO9001:2008,ISO14001:2008 |
| Place of Origin | ZHEJIANG,CHINA |
View Detail Information
Explore similar products
Stainless Steel Tubing Small Medical Decoration Chemical Capillary Pipes
Super Duplex 2507 Stainless Steel Pipes
SA213 TP321 Stainless Steel Tube For Industry
Hot Rolled Precision Steel Tube ASTM A554 Decorative Oval Single Slot Tube
Product Specification
| Payment Terms | L/C, D/A, , D/P, T/T, Western Union, MoneyGram | Supply Ability | 20000T/year |
| Delivery Time | 30-35work days | Packaging Details | packing in wooden boxes or in hexagonal bundles |
| Product name | ASTM A269 A312 Seamless Stainless Steel pipes for fliuid transport | Material | 200 Series/300 Series/400series |
| Shape | Round Section | Grade | 201/202/304 /304L/316/316L321/310s/410/420/430/440/439ect |
| Surface | pickling | Finish | heat treatment |
| Technique | Cold Rolled Hot Rolled | Length | 1-12M |
| OD | 3-420mm | WT | 0.5-50mm |
| Brand Name | TORICH | Model Number | GB/T14976 ASTM A269 A312 |
| Certification | ISO9001:2008,ISO14001:2008 | Place of Origin | ZHEJIANG,CHINA |
| High Light | stainless tube steel ，large diameter stainless steel tube | ||
Product Name:TORICH GB/T14976 ASTM A269 A312 Seamless Stainless Steel pipes for fliuid transport
Standard: GB/T14976 ASTM A269 A312
OD: 3-420mm
WT: 0.5-50mm
Length: 1-12m or according to customers' actual application and production.
Application:for fliuid transport
Steel Grade:201/202/304 /304L/316/316L321/310s/410/420/430/440/439ect
Technology:Cold Rolled Hot Rolled Cold Drawn
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Table 1 The Tolerance of Outer Diameter and Wall Thickness Unit:mm
| Hot rolling(extrusion,expansion) steel tube | Cold drawn(rolling)steel tube | ||||||
| Diamension | Tolerance | Diamension | Tolerance | ||||
| Ordinary Grade PA | High Grade PC | Ordinary Grade PA | High Grade PC | ||||
| Nominal Outer Diameter D | 68~159 | ±1.25%D | ±1%D | Nominal Outer Diameter D | 6~10 | ±0.20 | ±0.15 |
| ＞10~30 | ±0.30 | ±0.20 | |||||
| ＞30~50 | ±0.40 | ±0.30 | |||||
| ＞50~219 | ±0.85%D | ±0.75%D | |||||
| ＞159 | ±1.5%D | ＞219 | ±0.9%D | ±0.8%D | |||
| Nominal Wall Thickness S | ＜15 | +15%S -12.5%S | ±12.5%S | Nominal Wall Thickness S | ≤3 | ±12%S | ±10%S |
| ≥15 | +20%S -15%S | ＞3 | +12.5%S -10%S | ±10%S | |||
Table2 The Tolerance of Minimum Wall Thickness Unit:mm
| Manufacturing Method | Diamension | Tolerance | |
| Ordinary Grade PA | High Grade PC | ||
| Hot rolling(extrusion,expansion) steel tube W-H | Smin＜15 | +25%Smin 0 | +22.5%Smin 0 |
| Smin≥15 | +32.5%Smin 0 | ||
| Cold drawn(rolling)steel tube W-C | All Wall Tickness | +22%Smin 0 | +20%Smin 0 |
Table 3 Grade and Chemical Component
| No. | GB/T 20878 | Grade | Chemical Component(Quality Fraction)/% | |||||||||||
| No. | Unified Digital Code | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | N | Others | ||
| 1 | 13 | S30210 | 12Cr18Ni9 | 0.15 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~10.00 | 17.00~19.00 | - | - | 0.10 | - |
| 2 | 17 | S30408 | 06Cr19Ni10 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | - | - |
| 3 | 18 | S30403 | 022Cr19Ni10 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~12.00 | 18.00~20.00 | - | - | - | - |
| 4 | 23 | S30458 | 06Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 | - |
| 5 | 24 | S30478 | 06Cr19Ni9NbN | 0.030 | 1.00 | 2.50 | 0.035 | 0.030 | 7.50~10.50 | 18.00~20.00 | - | - | 0.15~0.30 | Nb:0.15 |
| 6 | 25 | S30453 | 022Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 | - |
| 7 | 32 | S30908 | 06Cr23Ni13 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 12.00~15.00 | 22.00~24.00 | - | - | - | - |
| 8 | 35 | S31008 | 06Cr25Ni20 | 0.08 | 1.50 | 2.00 | 0.035 | 0.030 | 19.00~22.00 | 24.0~26.00 | - | - | - | - |
| 9 | 38 | S31608 | 06Cr17Ni12Mo2 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
| 10 | 39 | S31603 | 022Cr17Ni12Mo2 | 0.030 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
| 11 | 40 | S31609 | 07Cr17Ni12Mo2 | 0.04~0.10 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - |
| 12 | 41 | S31668 | 06Cr17Ni12Mo2Ti | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | Ti:5C~0.70 |
Table 4 Recommended Heat Treatment System,Steel Tube Mechanical Properties and Density
| Organization type | No. | GB/T 20878 | Grade | Recommended Heat Treatment System | Mechanical Properties | Density ρ/(kg/dm2) | |||
| No. | Unified digital code | Tensile strength Rm/MPa | Specified plastic elongation strength Rp0.2/MPa | Percentage elongation after fracture A/% | |||||
| Not less than | |||||||||
| Austenitic | 1 | 13 | S30210 | 12Cr18Ni9 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 7.93 |
| 2 | 17 | S30408 | 06Cr19Ni10 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 7.93 | |
| 3 | 18 | S30403 | 022Cr19Ni10 | 1010℃~1150℃,cold or otherwise | 480 | 175 | 35 | 7.90 | |
| 4 | 23 | S30458 | 06Cr19Ni10N | 1010℃~1150℃,cold or otherwise | 550 | 275 | 35 | 7.93 | |
| 5 | 24 | S30478 | 06Cr19Ni9NbN | 1010℃~1150℃,cold or otherwise | 685 | 345 | 35 | 7.98 | |
| 6 | 25 | S30453 | 022Cr19Ni10N | 1010℃~1150℃,cold or otherwise | 550 | 245 | 40 | 7.93 | |
| 7 | 32 | S30908 | 06Cr23Ni13 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 40 | 7.98 | |
| 8 | 35 | S31008 | 06Cr25Ni20 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 40 | 7.98 | |
| 9 | 38 | S31608 | 06Cr17Ni12Mo2 | 1010℃~1150℃,cold or otherwise | 520 | 205 | 35 | 8.00 | |
| 10 | 39 | S31603 | 022Cr17Ni12Mo2 | 1010℃~1150℃,cold or otherwise | 480 | 175 | 35 | 8.00 | |
| 11 | 40 | S31609 | 07Cr17Ni12Mo2 | ≥1040℃,cold or otherwise | 515 | 205 | 35 | 7.98 | |
| 12 | 41 | S31668 | 06Cr17Ni12Mo2Ti | 1000℃~1100℃,cold or otherwise | 530 | 205 | 35 | 7.90 | |
Table 5 Steel tube Inspection Item,Test Method and Sampling Quantity
| No. | Inspection Item | Sampling Quantity | Sampling Method | Test Method |
| 1 | Chemical Component | Take a sample of each furance | GB/T 20066 | GB/T 223,GB/T 11170,GB/T20123,GB/T 20124 |
| 2 | Tensile Test | Take a sample between two steel tubes of each batch | GB/T 2975 | GB/T 228.1 |
| 3 | Flattening Test | Take a sample between two steel tubes of each batch | GB/T 246 | GB/T 246 |
| 4 | Flaring Test | Take a sample between two steel tubes of each batch | GB/T 242 | GB/T 242 |
| 5 | Hydraulic Test | Each piece | - | GB/T 241 |
| 6 | Ultrasonic Test | Each piece | - | GB/T 5777-2008 |
| 7 | Eddy Test | Each piece | - | GB/T 7735-2004 |
| 8 | Intercrystalline corrosion test | Take a sample between two steel tubes of each batch | GB/T 4334-2008 | GB/T 4334-2008 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
Get in touch with us
Leave a Message, we will call you back quickly!