TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
焊劑化學(xué)成分(%)
項(xiàng)目
|
SiO2+TiO2
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
項(xiàng)目 | - | - | - | ≤0.035 | ≤0.040 |
例值 | 20-30 | 30-40 | 20-35 | 0.020 | 0.025 |
熔敷金屬力學(xué)性能(690℃×20h熱處理)
項(xiàng)目配合焊絲
|
|
Rm
(MPa) |
ReL/Rp0.2
(MPa) |
A
(%) |
KV2 (J)
|
|
|
|
|
|
|
-20℃
|
|
JQ·H14Cr1MoR | 保證值 | 490~660 | ≥400 | ≥20 | ≥54 | |
例值 | 565 | 477 | 28 | 196、193、178 |