ASTM A778 Stainless Steel Welded Tubes
Name：ASTM A778 Stainless Steel Welded Tubes
Outer Diameter：1/8inch-24inch
Type：Welded Pipe
Wall Thickness：Sch10s~Sch160
Test：Radiographic Examination
Delivery Time：Stock 7 Days
Transport Package：Packed in Bundles or Plywooden Box
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a778 stainless steel welded tubes in China. With abundant experience, we warmly welcome you to wholesale customized astm a778 stainless steel welded tubes from our factory. For price consultation, contact us.
ASTM A778 stainless steel welded pipe is a welded unannealed austenitic stainless steel pipe product, mainly used in various applications in low temperature, medium temperature and corrosive environments. Non-magnetic, high toughness and plasticity. Although its strength is relatively low, it can be improved by cold working and other methods.
Application of ASTM A778 Unannealed Austenitic Stainless Steel pipe
Petroleum and chemical industry: used for piping systems for conveying corrosive media.
Power industry: manufacturing key equipment such as boilers and heat exchangers.
Food processing industry: used for food processing equipment.
Construction and machinery manufacturing: used for various components requiring corrosion resistance and high temperature performance.
The manufacturing process of ASTM A778 stainless steel welded pipe includes straight seam and spiral butt seam welding. The outer diameter can be from 3 inches (75 mm) to 48 inches (1200 mm), and the nominal wall thickness is from 0.062 inches (1.5 mm) to 0.500 inches (12.5 mm).
To ensure product quality, GNEE conducts a series of minimum tests and inspections on its products, including tensile tests, impact tests, and water pressure tests.
Contact us now for a free estimate. info@gneestainless.com
ASTM A778 Stainless Steel Pipes specification
Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular
| Tube Sizes | 3 In (75 mm) To 48 In (1200 Mm) Od – 0.062 In (1.5 Mm) To 0.5 In (12.5 Mm) Wall Thickness |
| Grades |
ASTM A778 TP304L ASTM A778 TP316L ASTM A778 TP317L ASTM A778 TP321 ASTM A778 TP347 |
| Length | 10 Ft (3 M) Lengths Or Over. |
| Length Tolerances | No Tube Shall Be More Than 0.25 In (6 Mm) Over That Specified. No Tube Shall Be Shorter Than Specified. |
| Straightness | 0.25 In (6 Mm) Max Deviation From 10 Ft (3 M) Straight Edge. |
ASTM A778 Pipe Tensile Strength
|
GRADE |
UNS |
TENSILE STRENGTH MIN |
YIELD STRENGTH MIN |
ELONGATION IN 2 IN (50 MM) MIN |
||
|---|---|---|---|---|---|---|
|
KSI |
MPA |
KSI |
MPA |
% |
||
|
TP304L |
S30403 |
70 |
485 |
25 |
170 |
40 |
|
TP316L |
S31603 |
70 |
485 |
25 |
170 |
40 |
|
TP317L |
S31703 |
75 |
515 |
30 |
205 |
35 |
|
TP321 |
S32100 |
75 |
515 |
30 |
205 |
40 |
|
TP347 |
S34700 |
75 |
515 |
30 |
205 |
40 |
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FAQ
1.Q: Do you provide customized product services?
A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.
2.Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes.
3.Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.
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