w-81b2/m
jwr307e81t1-b2c
t55t1-1c1-1cm0.05-0.12≤1.25≤0.80≤0.030≤0.0301.00-1.50—0.40-0.65—550-690≥470≥19—690*1hjw-81b2v/m
jwr317e81t1-b2c
t55t1-1c1-g1cmv≤0.12≤1.50≤0.90≤0.030≤0.0301.00-1.50—0.40-0.650.10-0.35≥550≥470≥19—730*2h类别牌号aws a5.29
gb/t 10045熔敷金属化学成分(wt.％)熔敷金属力学性能pwhtcmnsipscrnimovr m
(mpa)rel
(mpa)a
(％)kv2 (j)—低温钢co2气体保护jw-81k2/me81t1-k2c
e556t1-1c1a-n3≤0.150.50-1.75≤0.80≤0.030≤0.030≤0.151.00-2.00≤0.35≤0.05550-690≥470≥19-60℃
≥27—jw-81ni1/me81t1-ni1c
e554t1-1c1a-n2≤0.12≤1.5≤0.80≤0.030≤0.030≤0.150.80-1.10≤0.35≤0.05550-690≥470≥19-40℃
≥27—jw-81ni2/me81t1-ni2c
e554t1-1c1a-n5≤0.12≤1.5≤0.80≤0.030≤0.030—1.75-2.75——550-690≥470≥19
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