High quality and Good Service GB/T5310 boiler steel pipe

1. Material: 10, 20, 20G, 20MnG,
2. Standard: GB5310, GB3087,
3. Tolerance: by the standard
Boiler Steel Pipe
1. Material: 10, 20, 20G, 20MnG, 25MnG, 15MoG, 12Cr1MoVG, SA106B, SA335 P11, SA 335 P22, ST45.8, 15Mo3, SA210C, SA192, STB 340, P235TR2 etc.
2. Standard: GB5310, GB3087, ASTM A106, ASTM A213, ASTM A210, ASTM A179, ASTM A192, ASTM A333, ASTM A335, JIS G3461, JIS G3462, DIN17175, BS3059, EN 10216-1
3. Tolerance: by the standard
4. Size: OD: 14mm to 426mm, W.T: 2mm to 60mm
5. Delivery Conditions: annealed and pickled
6. Bundling: according to the customer's requirements
7. Packing: seaworthy wooden cases
8. Protection: supply varnish coating, bevel end, plastic cap
9. Applications: for boilers and pressure vessel of medium and low pressure (normally the container and steam pipelines with the operating pressure not higher than 5.88Mpa operating temperature below 450C), for high pressure boilers (normally the containers steam pipeline and petrochemical pipeline with the operating pressure not higher than 9.8Mpa operating temperature between 450C-650C)
10. Certificate Standard: ISO 9001: 2000
11. Payment Terms: T/T in advance or irrevocable L/C at sight
12. Minimum Order: 15 Tons
13. Delivery conditions: FOB Tianjin, or according to customers' requirement
14. Delivery Time: Min 15 Days after Receiving the Payments


Mechanical properties
Standard codes
Models of steel tubes
Tensite strengthMPa
Yield strengthMPa
Elongation
Hardness
GB3087
10
335∼475
≥195
≥24
/
20
410∼550
≥245
≥20
/
GB5310
20G
410∼550
≥245
≥24
/
20MnG
≥415
≥240
≥22
/
25MnG
≥485
≥275
≥20
/
15CrMoG
440∼640
≥235
≥21
/
12Cr2MoG
450∼600
≥280
≥20
/
12Cr1MoVG
470∼640
≥255
≥21
/
12Cr2MoWVTiB
540∼735
≥345
≥18
/
10Cr9Mo1VNb
≥585
≥415
≥20
/
ASME SA210
SA210A-1
≥415
≥255
≥30
≤143HB
SA210C
≥485
≥275
≥30
≤179HB
ASME SA213
SA213 T11
≥415
≥205
≥30
≤163HB
SA213 T12
≥415
≥220
≥30
≤163HB
SA213 T22
≥415
≥205
≥30
≤163HB
SA213 T23
≥510
≥400
≥20
≤220HB
SA213 T91
≥585
≥415
≥20
≤250HB
SA213 T92
≥620
≥440
≥20
≤250HB
DIN17175
ST45.8/
410∼530
≥255
≥21
/
15Mo3
450∼600
≥270
≥22
/
13CrMo44
440∼590
≥290
≥22
/
10CrMo910
480∼630
≥280
≥20
/