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Seamless Pipes & Tubes
1. Main steel types and typical grades:
2. Main Production Standard:
3. Production specification:
|
Item No.
|
Steel types
|
(AISI) Typical steel codes
|
|
1
|
Austenite
|
301, 310S, 304, 304L, 304H, 316, 316L, 316Ti,
317, 317L, 321, 321H, 347H, 904L |
|
2
|
Duplex
|
S31803, S32205, S31500, S31750,
S31760, S31900, S32304 |
|
3
|
Incoloy
|
800, 800H, 800HT, 825, 901, 925, 926
|
|
4
|
Inconel
|
600, 601, 625, 718
|
|
5
|
Monel
|
400, K500
|
|
6
|
Nickel base, Fe base and pure nickel
|
UNS N04400, N06600, N06601, N06617, N06625, N06600, N06690, N10276, N08800, N08020, N08825, N08801, N08811; N4, N6, Nickel 200, Nickel 201
|
|
7
|
Hastelloy
|
B, B-2, C-4, C-22, C-276
|
2. Main Production Standard:
|
Item No.
|
Standard type
|
Standard
|
|
Stainless steel seamless pipes & tubes(Cold drawn, Cold rolled, Bright precision)
|
EN
|
EN 10216-5, EN 10216-2
|
|
DIN
|
DIN 17456, DIN 17458
|
|
|
ASTM/ASME
|
A213, A269, A511, A789, A790, A335, A376
SA213, SA312, SA789, SA790, SA335, SA376 SB161, SB163, SB167, SB338, SB668, SB677 |
|
|
JIS
|
JIS G3459, G3463
|
|
|
GB
|
GB/T 14975, T14976, GB13296, GB5310,GB9948
|
3. Production specification:
|
Item No.
|
Products
|
Specification
|
|
1
|
Cold drawn pipes & tubes
|
(OD) φ6 - φ1016 mm, (WT) φ1 - φ50.01mm
|
|
2
|
Cold rolled pipes & tubes
|
(OD) φ16 - φ325 mm, (WT) φ1 - φ30mm
|
|
Products
|
Diameter(mm)
|
Thickness(mm)
|
Length(m)
|
|
Stainless steel seamless pipes & tubes(Cold drawn, Cold rolled, Bright precision)
|
6 - 20
|
0.8 - 3.5
|
Max: 240
|
|
20 - 32
|
1.5 - 8
|
Max: 24
|
|
|
32 - 159
|
1.5 - 35
|
Max: 12
|
|
|
168 - 325
|
3 - 40
|
Max: 12
|
|
|
325 - 830
|
5.5 - 45
|
Max: 8.5
|
