Stainless Steel 347 / 347H Pipes & Tubes

Stainless Steel 347 / 347H Pipes & Tubes

Stainless Steel 347 / 347H Pipes & Tubes

Meta Aerospace, a renowned Stainless Steel 347/347H Pipes & Tubes Manufacturer and Supplier, offers an extensive range of industrial steel products. Our commitment to excellence is evident in the superior quality of our offerings, which adhere to the highest international standards and are crafted using premium raw materials. Before delivery, all our products undergo rigorous testing and examination to ensure the utmost quality and reliability for our clients and vendors. Additionally, we specialize in customization and tailoring products to meet customer specifications and dimensions.

SS 347/347H Pipes & Tubes are manufactured with various specifications encompassing tolerance, end, condition, type, form, shape, size, thickness, length, width, standards, dimensions, grade, finish, surface, and applications. These pipes are engineered using a blend of chemical elements such as carbon, nickel, manganese, chromium, sulfur, silicon, cobalt, titanium, and phosphorus, resulting in exceptional physical and mechanical properties including tensile strength, yield strength, elongation, density, hardness, ultimate tensile strength, thermal conductivity, electrical conductivity, modulus of expansion, electrical resistivity, and proof stress. Available in diverse types and forms including fabricated, seamless, ERW, EFW, and LSAW, SS 347/347H Pipes & Tubes find widespread application in gas processing, petrochemicals, power generation, heat exchangers, pharmaceutical equipment, seawater equipment, chemical processing, specialty chemicals, condensers, paper production, offshore oil drilling, and pulp manufacturing. Furthermore, these pipes serve various general purposes such as military applications, aircraft components, shafts, pumps, food processing, household appliances, rails, cranes, transportation, and vehicle components.

Uses and Applications of Stainless Steel 347/347H Pipes & Tubes

Specification of Stainless Steel 347/347H Pipes And Tubes

Stainless steel pipe specification astm a312, a358 / asme sa312, sa358
Ss tube specificationastm a213, a269, a249, a511, a554 / asme sa213, sa269, sa249, sa511, sa554
Pipe size 1/8” nb to 24” nb, 1/4” od to 24” od sizes
Tube size1/2″ od to 8″ od
Thickness range

0.3mm – 50 mm, sch 5,

sch10, sch 40, sch 80, sch 80s, sch 160, sch xxs, sch xs


seamless / erw / welded /

fabricated pipes


round, square, rectangular, oval,

hydraulic etc


single random, double random

& required length

Endplain end, beveled end, treaded
End protection plastic caps
Outside finish

2b, no.4, no.1, no.8

mirror finish for stainless steel pipes, finish as per customer requirements

Delivery condition

annealed and pickled,

polished, bright annealed, cold drawn

347/347H Stainless Steel Pipes and Tubes Equivalent Grades

SS 347 S34700 1.4550 X6CrNiNb18-10 SUS 347 08Ch18N12B
SS 347H S34709 1.4961 X6CrNiNb18-12 SUS 347H

Chemical Composition of Stainless Steel 347/347H Pipes and Tubes

Element C Cr Mn Ni P S Si Cb/Ta
347 0.08 max min: 17.0 max: 20.0 2.0 max min: 9.0 max: 13.0 0.04 max 0.30 max 0.75 max min:10x C max: 1.0
347H min: 0.04 max: 0.10 min: 17.0 max: 20.0 2.0 max min: 9.0 max: 13.0 0.03 max 0.30 max 0.75 max min:10x C max: 1.0

Mechanical Properties of Stainless Steel 347/347H Seamless Pipes & Tubes

Grade Tensile Strength ksi (MPa) min Yield Strength 0.2% ksi offset ksi (MPa) min Elongation (% in 50mm) min Hardness (Brinell) MAX Hardness (Rockwell B) MAX
347/347H 75 (515) 30 (205) 40 201 95

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