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ASTM A312 Stainless Steel Seamless Pipe ISO9001 Precision Rolled

Categories Stainless Steel Seamless Pipe
Certification: ISO9001, CE
Place of Origin: Jiangsu, China
MOQ: 1 pcs
Payment Terms: L/C, T/T
Supply Ability: 5000 Ton/Tons per Month
Delivery Time: 7~10working days
Product name: Stainless Steel Round Pipe
Technique: Cold Rolled,Hot Rolled
Type: Seamless Pipe(SMLS)
Surface: No.1,2D,2B,BA,No.4,8k,Tempered
Standard: ASTMA312/A213/A269/B673/B674/B677/B675/B676/B69CA78ASME SB163 SB423/SB444 SB622/SB677
Process: Cold drawn, Cold rolled, Precision Rolled; HotRolled
Finish: Pickled, bright annealing, polished
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ASTM A312 Stainless Steel Seamless Pipe ISO9001 Precision Rolled


STAINLESS STEEL SEAMLESS PIPE


What type of stainless steel is used in heat exchangers?


Austenitic stainless steels such as Type 304 and Type 316 are frequently selected for heat exchangers placed in cooling water service. These alloys generally perform well in clean water and are expected to give a long service life withminimal problems

Stainless Steel Grade 304 is the standard 18/8 (18% chrome, 8% nickel) austenitic stainless steel. It is a non-magnetic alloy in the annealed condition, however, becomes magnetic as it is cold worked. It is the most ordinarily utilized of all stainless grades. T304 can be effortlessly welded and is the preferred for many deep drawn, spun or formed parts due to its high ductility.


Stainless Steel Grade 304L has oxidation resistance to a maximum temperature of 1650°F (899°C) continuous without considerable scaling. The maximum temperature for intermittent presentation is 1500°F (816°C). Since 304L is an additional low-carbon variety of 304 it can frequently be utilized in the “as-welded” condition (without annealing), even in severe corrosive conditions, except for applications indicating stress relief. 304L has good welding qualities and can be welded by all standard strategy; however, consideration should be paid to maintain a strategic distance from weld “hot cracking”. To relieve stress during severe forming or spinning welding may be followed by annealing.


Stainless Steel Grade 304H includes a high carbon content making the steel more suitable for utilization in applications where high temperatures are available. The benefit of this grade is that it is an austenitic chromium-nickel steel alloy as well as the greater carbon content distribute to increased tensile and yield strength. The material is recommended for utilizing in ASME pressure vessels in working service above 525° C because of the grade's heat resistant properties.

STOCKING PROGRAM

  • Size Range : 1/4″ ~ 36″ NPS (Larger sizes available upon request)
  • Schedules : 10, 10s, 40, 40s, 80, 80s, 120, 160 (Custom wall thicknesses available upon request)
  • Stainless Steel Grades :

GB/T STANDARDASTM STANDARDJIS STANDARDEN STANDARDODTHICKNESS
STEEL GRADESTEEL GRADESTEEL GRADESTEEL GRADE
06Cr19Ni10TP304SUS304X5CrNi18-10 1.4301273-914mm6-70mm
022Cr19Ni10TP304LSUS304LX2CrNi19-11 1.4306273-914mm6-70mm
07Cr19Ni10TP304HSUS304HX6CrNi18-10 1.4948273-914mm6-70mm
10Cr18Ni9NbCu38N273-914mm6-70mm
06Cr25Ni20TP310SSUS310SX6CrNi25-20 1.4951273-914mm6-70mm
07Cr25Ni21NbNTP310HCbN273-914mm6-70mm
06Cr17Ni12Mo2TP316SUS316X5CrNiMo17-12-2 1.4401273-914mm6-70mm
022Cr17Ni12Mo2TP316LSUS316LX2CrNiMo17-12-2 1.4404273-914mm6-70mm
07Cr17Ni12Mo2TP316HX3CrNiMo17-13-3 1.4436273-914mm6-70mm
06Cr17Ni12Mo2TiTP316TiSUS316TiX6CrNiMo17-12-2 1.4571273-914mm6-70mm
06Cr18Ni11TiTP321SUS321X6CrNiTi18-10 1.4541273-914mm6-70mm
07Cr19Ni11TiTP321HSUS321H273-914mm6-70mm
06Cr18Ni11NbTP347SUS347X6CrNiNb18-10 1.4550273-914mm6-70mm
07Cr18Ni11NbTP347HSUS347HX7CrNiNb18-10 1.4912273-914mm6-70mm
08Cr18Ni11NbFGTP347HFG273-914mm6-70mm

Note:Other size can also be provided after consuliting with customers

  • Special Alloys : 2205, 254SMo, Monel, Inconel
  • Chrome Moly : P5, P9, P11, P22, P91
  • Standards :
ASTM A312Seamless and welded austenitic stainless steel tube
ASTM A790General purpose ferritic/austenitic stainless steel seamless and welded steel pipe
ASME SA213Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
ASME SA249Welded austenitic steel tubes for boilers, superheater heat exchangers and condensers
ASME SA789General purpose seamless and welded ferritic/austenitic stainless steel pipe
GB/T14976Stainless steel seamless pipe for fluid transportation

CHEMICAL COMPOSITION

ElementCMnSiPSCrNiNFe
3040.07%2.0%0.75%0.045%0.03%17.5~19.5%8.0~10.5%0.10%Remainder
304L0.03%2.0%0.75%0.045%0.03%17.5~19.5%8.0~12.0%0.10%Remainder
304H0.04~0.10%2.0%0.75%0.045%0.03%18.0~20.0%8.0~10.5%-Remainder

MECHANICAL PROPERTIES

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

3045152054092201
304L4851704092201
304H5152054092201

Grade:


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