|
STANDARD
|
STEEL GRADE
|
|
|
GB3087
GB5310
|
20#/20MnG/25MnG/15CrMo/12Cr1MoVG/10Cr9Mo1VNb/15CrMoG/12Cr2MoG
|
|
ASTM A335
ASME SA213
|
P2/P5/P9/P11/P12/P22/P91/P92
T2/T5/T9/T11/T12/T22/T91/T92
|
|
DIN17175
|
15Mo3/13CrMo44/10CrMo910
|
|
JIS G3458
|
STPA12/20/22/23/24/25/26
|
Treatment and packing:
1.Inspection and Tests Performed of Production :Chemical composition,
Mechanical properties, Hydrostatic test, Dimensional testing, Visual inspection
Nondestructive inspection.
2.Surface Treatment: PE/3PE/FBE
3.Packing:Black Painting or Uncoated. With pipe cap , bevel end or plain end.
4.Advantage:Excellent high temperature resistance ,low temperature resistance,
corrosion resistance
5.Certification:API/CE/BSI/ISO/UL,etc
| Material |
Tensile strength(Mpa)
|
Yield（MPa）
|
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
|
|
SA210C
|
≥485
|
≥275
|
≥30
|
≤179HB
|
|
ASME SA213
|
SA213 T11
|
≥415
|
≥205
|
≥30
|
|
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/Ⅲ
|
410～530
|
≥255
|
≥21
|
|
15Mo3
|
450～600
|
≥270
|
≥22
|
/
|
|
13CrMo44
|
440～590
|
≥290
|
≥22
|
/
|
|
10CrMo910
|
480～630
|
≥280
|
≥20
|
/
|
