ASTM A312 SS Pipes Suppliers, ASTM A312 SS Seamless Pipes, ASTM A312 Ss Welded Pipes Suppliers

Large Diameter Fabricated Pipes As Per ASTM A312 For Sizes Above 14″ Nb, ASTM A312 Seamless Pipes Exporters

ASTM A312 Tp316L Seamless Pipes, ASTM Tp304l SS Seamless Pipes, ASTM A312 316l SS Welded Pipes

An ISO 9001:2008 Certified Company, Steel Pipes Online 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

1. Chemical Composition
2. Size
3. Mechanical Properties
4. Flattening Test
5. Hydrostatic Test or Eddy current test or Ultrasonic test
6. Surface quality, straightness

Product reliability and performance has made Steel Pipes Online 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 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48	1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187)	0.4 0.8 1.6 2.4 3.2 4.0 4.8	1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031)	0.8 0.8 0.8 0.8 0.8 0.8 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)