Pipe Fitting Materials
Flange Materials
The chemical composition
Duplex stainless steel
Comparison of Stainless Steel
Applicable Standards

ASME Standards

B16.9

Factory-Made Wrought Steel Buttwelding Fittings

B16.28

Wrought Steel Buttwelding Short Radius Elbows and Returns

B16.25

Buttwelding Ends

B36.10

Welded and Seamless Wrought Steel Pipe

B36.19

Stainless Steel Pipe

 
ASTM Standards

A234

Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service

A403

Wrought Austenitic Stainless Steel Piping Fittings

A420

Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low Temperature Service

A815

Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

 
MSS Standards

SP-43

Wrought Stainless Steel Butt-Welding Fittings

SP-75

High Test Wrought Butt-Welding Fittings

SP-79

Socket Welding Reducer Inserts

SP-87

Factory-Made Butt-Welding Fittings for Class I Nuclear Piping Applications

 
JIS Standards

B2220

Steel Welding Pipe Flanges

B2311

Steel Butt-Welding Pipe Fittings for Ordinary Use

B2312

Steel Butt-Welding Pipe Fittings

B2313

Steel Plate Butt-Welding Pipe Fittings

G3452

Carbon Steel Pipes for Ordinary Piping

G3454

Carbon Steel Pipes for Pressure Service

G3457

Arc Welded Carbon Steel Pipes

 
DIN Standards

2605-1

Steel Butt-Welding Pipe Fittings; Elbows and Bends with Reduced Pressure Factor

2609

Steel Butt-Welding Pipe Fittings; Technical Delivery Conditions

2615-1

Steel Butt-Welding Pipe Fittings; Tees with Reduced Pressure Factor

2615-2

Steel Butt-Welding Pipe Fittings; Tees for Use at Full Service Pressure

2616-1

Steel Butt-Welding Pipe Fittings; Eccentric Reducers with Reduced Pressure Factor

2616-2

Steel Butt-Welding Pipe Fittings; Reducers for Use at Full Service Pressure

2617

Steel Butt-Welding Pipe Fittings; Caps

1626

Welded Circular Unalloyed Steel Tubes Subject to Special Requirements; Technical Delivery Conditions

1629

Seamless Circular Unalloyed Steel Tubes Subject to Special Requirements; Technical Delivery Conditions

17175

Seamless Tubes of Heat-Resistant Steels; Technical Conditions of Delivery

50049

Materials Testing Certificates

 
EN (European) Standards

10204

Inspection Documents for Metallic Products

10253-1

Butt-Welding Pipe Fittings; Wrought Carbon Steel for General Use and Without  Specific Inspection Requirements

 
NACE Standards

MR0175

Sulfide Stress Cracking Resistant Metallic Material for Oilfield Equipment