ASTM A312 STAINLESS STEEL PIPES SUPPLIER, ASTM A312 SS SEAMLESS PIPES, ASTM A312 SS WELDED PIPES SUPPLIER
LARGE DIAMETER FABRICATED PIPES AS PER ASTM A312 FOR SIZES ABOVE 14″ NB, ASTM A312 SEAMLESS PIPES EXPORTER
ASTM A312 TP316L SEAMLESS PIPES, ASTM TP304L STAINLESS STEEL SEAMLESS PIPES, ASTM A312 316L SS WELDED PIPES
ASTM A312 TP304L Pipes | ASTM A312 TP316L Pipes | ASTM A312 TP321 Pipes | ASTM A312 TP321H Pipes | ASTM A312 TP347H Pipes
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Special Sizes or Non Standard Size ASTM A312 Stainless Steel Pipes Available on Request
ASTM A312 Stainless Steel Pipes – ASTM A312 TP316L, TP304L, TP321, TP321H, TP347, TP347H, TP904L
An ISO 9001:2008 Certified Company, Metline Industries is India’s leading stockholder and supplier of ASTM A312 stainless steel pipes in both seamless and welded forms. We are a leading exporter of stainless steel pipes manufactured as per ASTM A312 standards.
An ISO 9001:2008 Certified Company, Metline Industries (Pipe & Tubes Division) is one of the leading stockholder and supplier of ASTM A312 stainless steel seamless pipes and ASTM A312 stainless steel welded pipes in a number of standard sizes and grades. Our stock of stainless steel seamless pipes and stainless steel welded pipes primarily consist of the austenitic grades of stainless steel including TP304, TP304L, TP304H, TP321H, TP321, TP316, TP316L, TP316Ti, TP310S, TP347, and TP347H in annealed and pickled, bright annealed, mill finish and polished conditions.
Inspection of ASTM A312 Stainless Steel Pipes Requirements
- Chemical Composition
- Size
- Mechanical Properties
- Flattening Test
- Hydrostatic Test or Eddy current test or Ultrasonic test
- Surface quality, straightness
Product reliability and performance has made Metline Industries a leading exporter and distributor of ASTM A312 stainless steel seamless pipes and ASTM A312 stainless steel welded pipes in India and international markets such as UAE, Bahrain, Indonesia, Malaysia, Mexico, Chile, Brazil, Peru, Nigeria, Kuwait, Jordan, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan, Saudi Arabia.
Our products are supplied to all major Industrial areas and cities in India such as Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Thane, Bhopal, Visakhapatnam, Vadodra, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Assam, Siliguri, Jamshedpur, Warangal, Nellore, Agartala and Thoothukudi.
Our high quality steel pipes, good customer service, and in house pipes and tubes processing capabilities have made us one of the emerging suppliers of ASTM A312 stainless steel pipes in the Middle East such as including Bahrain, Cyprus, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates and Yemen.
ASTM A312 Stainless Steel Pipes Production Range and Specifications
Type: Seamless Cold Drawn Tubes, Hot Finished Seamless Pipes, Welded Pipes, Fabricated Pipes
Grades: TP304, TP304L, TP304H, TP321H, TP321, TP316, TP316L, TP316Ti, TP310S, TP347, TP347H
Size: 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes stainless steel seamless tubes also available
Length: Up to 6 meters, custom cut lengths
Thickness: 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10
Finish: No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Seamless Pipes
Delivery Condition: Hot Finish, Cold Finish, Bright Annealed, Polished, Annealed and Pickled, Passivated, Stress Relived
Products: ASTM A312 TP 304 Stainless Steel Seamless/Welded Pipes, ASTM A312 TP 316L Stainless Steel Seamless/Welded Pipes, SS 304 Seamless/Welded Pipes, SS304L Seamless/Welded Pipes, SS 316 Seamless/Welded Pipes, SS316L Seamless/Welded Pipes, SS310S Seamless/Welded Pipes, SS 317L Seamless/Welded Pipes, 446 Seamless/Welded Pipes
ASTM A312 Stainless Steel Pipes OD Tolerance
| NPS | ASTM A312 OD Tolerance | |||
| + | – | |||
| inch | mm | inch | mm | |
1/8~1 1 /2 | 1/64(0.015) | 0.4 0.8 1.6 2.4 3.2 4.0 4.8 | 1/32(0.031) | 0.8 |
ASTM A312 Stainless Steel Pipes WT Tolerance %
| NPS | ASTM A312 WT Tolerance, % | |
| + | – | |
| 1/8-2 1 /2 | 20.0 | 12.5 |
| 3~18, t/D≤ 5% | 22.5 | 12.5 |
| 3~18, t/D> 5% | 15.0 | 12.5 |
| ≥ 20, welded | 17.5 | 12.5 |
| ≥ 20, seamless, t/D≤ 5% | 22.5 | 12.5 |
| ≥ 20, seamless, t/D> 5% | 15.0 | 12.5 |
ASTM A312 Stainless Steel Pipes Chemical Composition %
| Material | ASTM A312 Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | … | … | … . | … |
| TP304H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | … | … | … | … |
| TP304L | 0.035 D | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-13.0 | … | … | … | … |
| TP310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0-26.0 | 19.0-22.0 | 0.75 | |||
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | … | … | … |
| TP316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | … | … | … |
| TP316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | … | … | … |
| TP316Ti | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | … | 5x(C+N)-0.70 |
| TP321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | … | 0.10 | … | 5C-0.70 |
| TP321H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | … | … | … | 4C-0.60 |
| TP347 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | 10xC-1.00 | … | ||
| TP347H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | … | … | 8xC-1.00 | … |
ASTM A312 STainless Steel Pipes Mechanical Properties
ASTM A312 Mechanical Properties | |||||
| Material | Heat Treatment | Temperure Min. º F(º C) | Tensile Strength Ksi (MPa), Min. | Yield Strength Ksi (MPa), Min. | Elongation %, Min |
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP304H | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP310S | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
| TP316H | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316Ti | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP321 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP321H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) | 35 |
| TP347 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP347H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) | |