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Steel pipe/Stainless Steel Pipe/

ASTM A312 TP304/304L STEEL PIPE

About ASTM A312 Steel Pipe OD:10.3mm-609.6mm WT:0.2mm-60mm Length:5-12m or as you required Application:Low pressure line pipe for liquid, water, gas, oil, pipe for boiler project, etc. Supplementary Technology:Plain or threaded with socket or beveled with plastic caps, hydraulic testing, eddy current, Infrared test. Surface:Bright annealed, pickled, blasted or passivated. Delivery State:Hot Rolled, Cold Drawn Steel Grade:TP304, TP304L, TP316, TP316L, TP321, TP347 ASTM A312 TP304/304L 3 SCH 10S 88.9MM X 3.05MM ASTM A312 TP304L Steel Pipe Product Scope: C&N HuiTong produces and supplies ASTM A312 products in welded and seamless tubes and pipes. Stainless steel pipe ASTM A312 has 4 main grades TP304/304L, TP316/316L. TP304/TP304L and TP347 are included in ASME pressure vessel code and the Chemical Plant and Refinery Piping…

  • Product Details

About ASTM A312 Steel Pipe

  • OD:10.3mm-609.6mm
  • WT:0.2mm-60mm
  • Length:5-12m or as you required
  • Application:Low pressure line pipe for liquid, water, gas, oil, pipe for boiler project, etc.
  • Supplementary Technology:Plain or threaded with socket or beveled with plastic caps, hydraulic testing, eddy current, Infrared test.
  • Surface:Bright annealed, pickled, blasted or passivated.
  • Delivery State:Hot Rolled, Cold Drawn
  • Steel Grade:TP304, TP304L, TP316, TP316L, TP321, TP347

Product Scope:

C&N HuiTong produces and supplies ASTM A312 products in welded and seamless tubes and pipes. Stainless steel pipe ASTM A312 has 4 main grades TP304/304L, TP316/316L. TP304/TP304L and TP347 are included in ASME pressure vessel code and the Chemical Plant and Refinery Piping Code, These steel tubes are safe to be used in temperatures as low as −425 °F [−250 °C] without impact tests qualification.

ASTM A312 covers seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Steel pipe of ASTM A312 should be marked with the following info: Pipe size, wall thickness, specification, grade, seamless or welded, heat number, etc. Welded pipe of ASTM A312 should not use filler metal in automatic welding, large diameter pipe may have 2 longitudinal welds, pipe can be hot finished or cold finished. C&N is an experienced boiler and pressure steel tube supplier which can offer you ASTM A312 steel pipe of all grade and dimension range.

ASTM A312 Chemical Composition:

Steel GradeASTM A312  Chemical Composition % Max
CMnPSSiCrNiMoN BNbTi
TP3040.082.000.0450.0301.0018.0-20.08.0-11.0… .
TP304H0.04-0.102.000.0450.0301.0018.0-20.08.0-11.0
TP304L0.035 D2.000.0450.0301.0018.0-20.08.0-13.0
TP310S0.082.000.0450.0301.0024.0-26.019.0-22.00.75   
TP3160.082.000.0450.0301.0016.0-18.011.0-14.02.00-3.00
TP316L0.0352.000.0450.0301.0016.0-18.010.0-14.02.00-3.00
TP316H0.04-0.102.000.0450.0301.0016.0-18.011.0-14.02.00-3.00
TP316Ti0.082.000.0450.0300.7516.0-18.010.0-14.02.00-3.000.105x(C+N)-0.70
TP3210.082.000.0450.0301.0017.0-19.09.0-12.00.105C-0.70
TP321H0.04-0.102.000.0450.0301.0017.0-19.09.0-12.04C-0.60
TP3470.082.000.0450.0301.0017.0-19.09.0-13.0  10xC-1.00
TP347H0.04-0.102.000.0450.0301.0017.0-19.09.0-13.08xC-1.00

ASTM A312 Mechanical Property:

ASTM A312  Mechanical Properties
Steel GradeHeat
Treatment
Temperure
Min.
º F(º C)
Tensile Strength
Ksi (MPa), Min.
Yield Strength
Ksi (MPa), Min.
Elongation %, Min
TP304Solution1900 (1040)75(515)30(205)35
TP304LSolution1900 (1040)70(485)25(170)35
TP304HSolution1900 (1040)75(515)30(205)35
TP310SSolution1900 (1040)75(515)30(205)35
TP316Solution1900(1040)75(515)30(205)35
TP316LSolution1900(1040)70(485)25(170)35
TP316HSolution1900(1040)75(515)30(205)35
TP316TiSolution1900(1040)75(515)30(205)35
TP321Solution1900(1040)75(515)30(205)35
TP321HSolutionCold: 2000(1100)
Hot: 1925(1050)
75(515)30(205)35
TP347Solution1900(1040)75(515)30(205)35
TP347HSolutionCold: 2000(1100)
Hot: 1925(1050)
75(515)30(205) 

ASTM A312 Equivalent steel grade:

ASTM A312JIS G3459DIN 17440BSNF
TP304SUS 304 TPX5CrNi 18 9304S18A 49-230
TP304HSUS 304 HTP 304S59A 49-214
TP310304 LTPX2 CrNi 19 9304S14A 49-230
TP316SUS 304L TP   
TP316H310STPX5 CrNiMo 18 10316S18A 35-573
TP316LSUS 316 TP 316S59A 49-230
TP321SUS 316 LTPX2 CrNiMo 18 10316S14A 49-230
TP347316 HTPx10 CrNiTi 18 9321S18A 49-230
TP347HSUS 316 LTPX5 CrNiNb 18 9347S18A 35-573

C&N can supply ASTM A312 steel tube from stock or from reputed steel mills. We also offer steel fabrication service where steel plates can go through processings like cutting, welding, bending, machining, pre-coating, pre-lined, beveling, or as you require. Our steel mills have fabricating employees that have 5-10 years of working experience. If you are interested in buying ASTM A312 steel tube products, contact us now for the latest price or check the following table for equivalent steel grade of ASTM A312.

Nominal wall thickness for ASTM A312(Seamless and straight seame welded steel pipes)

NPSASTM A312  WT Tolerance, %
+
1/8-2 1 /220.012.5
3~18, t/D≤ 5%22.512.5
3~18, t/D> 5%15.012.5
≥ 20, welded17.512.5
≥ 20, seamless, t/D≤ 5%22.512.5
≥ 20, seamless, t/D> 5%15.012.5

ASTM A312 Stainless Steel Pipes OD Tolerance

NPSASTM A312  OD Tolerance
+
inchmminchmm
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

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