Stainless Welded Steel Tube ASTM A554

This Stainless Welded Steel Tube ASTM A554 specification covers welded stainless steel tubing for mechanical applications where appearance, mechanical properties,surface finish,or corrosion resistance is needed.
Steel materials: 201,202,304L,316,316L,304,409,430 and so on
Standards: ASTM A554,GB/T 12770-2002,JISG 3446
Welding technique: TIG.
Surface: Mill Finish,Mirror Finish,Hairiline Finish
Size:3/8"to 6 1/4"

Stainless Welded Steel Tube ASTM A554 Solution Annealing Condition

GB ASTM JS
Type

Solution 

Annealing

Type

Soution 

Annealing

Type

Soution 

Annealing

OCr18Ni9

1010≈1150℃ 

Water Quenching 

TP304

1040≈1150℃

 Water Quenching 

SUS 304

1010≈1150℃ 

Water Quenching

OOCr19Ni10 TP304L SUS 304L
OCr17Ni12Mo2 TP316 SUS 316
OOCr17Ni14Mo2 TP316L SUS 316L

Surface Finish of Stainless Welded Steel Tube ASTM A554

Item Round Tubes
  Finish   Description
Surface Finish Mill Finish   As Welded
Mirror Finish 800# Buffed after polishing by 800#
600# Buffed after polishing by 600#
400# Buffed after polishing by 400#
Hairiline Finish 320# Hairline finished after polishing 320#
240# Hairline finished after polishing 240#
180# Hairline finished after polishing 180#
90# 3Hairline finished after polishing 90#

 


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