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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類別牌號aws a5.29

gb/t 10045熔敷金屬化學(xué)成分(wt.％)熔敷金屬力學(xué)性能pwhtcmnsipscrnimovr m

(mpa)rel

(mpa)a

(％)kv2 (j)—低溫鋼co2氣體保護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