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A358 TP321 CLASS 1 EFW STAINLESS STEEL ELECTRIC FUSION WELDED PIPE

A358 TP321 CLASS 1 EFW STAINLESS STEEL ELECTRIC FUSION WELDED PIPE

Brand Name YUHONG STEEL
Model Number A358 TP321 CLASS 1
Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin CHINA
Minimum Order Quantity 1000KGS
Price NEGOTIABLE
Payment Terms T/T, L/C AT SIGHT
Supply Ability 2000 tons per month
Delivery Time Depends on actual quantity
Packaging Details wooden case packing/Woven bag packing
MATERIAL TP321/SUS 321/S32100
STANDRAD ASTM A358/GOST 9941-81/GOST 9940-81
TEST NT/UT/HT/RT
THIRD PARTY INSPECTION BV,SGS,ASP
Type Welded
Application PETROCHEMICAL
Detailed Product Description

ASTM A358 TP321 CLASS 1 EFW STAINLESS STEEL ELECTRIC FUSION WELDED PIPE

 

YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.

 

YUHONG SPECIAL STEEL deal with stainless steel welded pipe and tube already more than 10 years, every year sell more than 5000 tons of stainless steel pipe and tube. Our client already cover more than 45 countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc.
 

 

ASTM A358 TP321 Stainless Steel EFW / Electric Fusion Welded Pipe:
ASTM A358 TP321 Stainless Steel EFW Pipes is available available in sizes from 1/8” through to 64” Nominal Bore.

 

Chemical Composition of SS321/321H/347

GradeCMnSiPSCrMoNiNOther
321min.
max
-
0.08
2.000.750.0450.03017.0
19.0
-9.0
12.0
0.10Ti=5(C+N)
0.70
321Hmin.
max
0.04
0.10
2.000.750.0450.03017.0
19.0
-9.0
12.0
-Ti=4(C+N)
0.70
347min.
max
0.082.000.750.0450.03017.0
19.0
-9.0
13.0
-Nb=10(C+N)
1.0

 

Mechanical properties

GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maxBrinell (HB) max
3215152054095217
321H5152054095217
3475152054092201
321H also has a requirement for a grain size of ASTM No 7 or coarser.

 

 

Physical properties

GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (m/m/0C)Thermal Conductivity (W/m.K)Specific Heat 0-1000C (J/kg.K)Electrical Resistivity (n.m)
0-1000C0-3150C0-5380Cat 1000Cat 5000C
321802719316.617.218.616.122.2500720

 

 

Grade specifications for SS321/321H/347

GradeUNS NoOld BritishEuronormSwedish SSJapanese JIS
BSEnNoName
321S32100321S3158B, 58C1.4541X6CrNiTi18-102337SUS 321
321HS32109321S51-1.4878X10CrNiTi18-10-SUS 321H
347S34700347S3158G1.4550X6CrNiNb18-102338SUS 347
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.


 

 

Product Tags: astm a358 standard ss welded pipe   class 1 tp321 ss welded pipe   petrochemical application ss welded pipe  
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