Enter your keyword

321h stainless steel pipes and tubes

Hi-Tech Metal & Tubes is Dealer & Distributor of 321H Stainless Steel Seamless Pipes for NSSMC (Nippon Steel & Sumitomo Metal Corporation)and Kuze Stainless Steel.Dealer & distributor of Super Duplex and Duplex Stainless Pipes for Salzgitter Mannesmann

  • Specifications –ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
  • Size – Seamless 321H Pipes & Tubes – 1/2″ NB -24″ NB
  • ERW 321H Pipes & Tubes – 1/2″ NB – 24″ NB
  • EFW 321H Pipes & Tubes – 6″ NB – 100″ NB
  • Wall Thickness – Schedule 5S – Schedule XXS.
Dimensions : ASTM, ASME and API
Schedule : SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Length : Single Random, Double Random & Cut Length.
Form : Round, Square, Rectangular, Hydraulic Etc.

Composition ranges for stainless steel 321H grade

Grade C Mn Si P S Cr Mo Ni N Other
321H min.max 0.040.08 2.00 0.75 0.045 0.030 17.019.0 9.012.0 Ti=4(C+N)0.70

Mechanical properties of stainless steel 321H grade

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
321H 515 205 40 95 217

321H also has a requirement for a grain size of ASTM No 7 or coarser.

Grade specifications for stainless steel 321H grade

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321H S32109 321S51 1.4878 X10CrNiTi18-10 SUS 321H

 

STANDARD UNS WERKSTOFF NR.
SS 321H S32109 1.4878