China ASTM A249 904L Steelies Steel Welded Boiler Tubes

Steel Standard:
Standard :ASTM A312, A269,A249,A270,A554,A269, ASTM/ASME A213,GB/T14976GB13296-2007 JISG3463, JIS3446, JIS3448, JIS3459 Din17456, DIN17458 etc
Material :201, 202, 309S, 310S, 316Ti, 317, 317L, 321, 347H, TP304/304L, TP310/310S, TP316/316L, TP321/321H, TP347,410,420,430, 904L,2205 etc.
Surface treatment:
A: sanded
B: 400#-600# mirror
C: hairline brushed
D: TIN titanlum
E : HL brushed & mirror (two kinds of finishing for one pipe)
Applications:petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant steamless steel pipe used. Our company has cooperative relation between the domestic agents.
Advantages:
1. 20 + years of production experience at your service.
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice.
5. 100% export.
6. Our products EXPORT to Africa, Oceania, mid east, eastern Asia, Western Europe etc.
Chemical composition

Grade
C ≤
Si ≤
Mn ≤
P ≤
S ≤
Ni ≤
Cr ≤
201
0.12
0.75
7.00
0.045
0.045
1.00-1.28
13.70-15.70
202
0.15
1.00
2.25
0.045
0.045
4.07-4.17
14.00-16.00
304
0.08
0.75
2.00
0.045
0.03
8.00-11.00
18.00-20.00
304L
0.035
0.75
2.00
0.045
0.03
8.00-13.00
18.00-20.00
309
0.15
0.75
2.00
0.045
0.03
12.00-15.00
22.00-24.00
310S
0.08
1.50
2.00
0.045
0.03
19.00-22.00
24.00-26.00
316
0.08
1.00
2.00
0.045
0.03
10.00-14.00
16.00-18.00
316L
0.035
0.75
2.00
0.045
0.03
10.00-15.00
16.00-18.00
321
0.04-0.10
0.75
2.00
0.045
0.03
9.00-13.00
17.00-20.00
405
0.08
0.75
1.00
0.045
0.03
0.06
11.5-13.5
409
0.089
1.00
1.00
0.045
0.05
0.06
10.50-11.75
410
0.15
0.75
1.00
0.045
0.03
0.06
11.5-13.5
420
0.16-0.25
1.00
1.00
0.040
0.03
0.06
12.00-14.00
430
0.12
0.75
1.00
0.045
0.03
0.06
16.00-18.00
904L
0.02
1.0
2.00
0.045
0.03
23.00-28.00
19.00-23.00