不锈钢焊丝国家标准[GB4242-84]
不锈钢焊丝
(1)中国YB标准不锈钢焊丝[YB/T 5092-1993] YB标准不锈钢焊丝的牌号与化学成分,见表8-1-47。
表8-1-47 不锈钢焊丝的牌号与化学成分(质量分数)(%)
P
焊丝牌号
C
Si
Mn
≤
S
Cr
≤
Ni
Mo
其他
铁素体型
H0Cr14 H1Cr17
≤0.06 0.30-0.70 0.30-0.70 ≤0.030 ≤0.030 13.00-15.00 ≤0.10
≤0.50
≤0.60
≤0.030 ≤0.030 15.50-17.00
马氏体型
H1Cr13 H1Cr5Mo
≤0.12
≤0.50
≤0.60
≤0.030 ≤0.030 11.50-13.50
4.00-6.00
— ≤3.00
— 0.40-0.60
— —
≤6.00 —
— —
— —
≤0.12 0.15-0.35 0.40-0.70 ≤0.030 ≤0.030
奥氏体型
H0Cr21Ni10 H00Cr21Ni10
≤0.06 ≤0.03
≤0.60 ≤0.60
1.00-2.50 ≤0.030 ≤0.030 19.50-22.00 9.00-11.00 1.00-2.50 ≤0.030 ≤0.030 19.50-22.00 9.00-11.00
— —
— —
H1Cr24Ni13 ≤0.12 ≤0.60 1.00-2.50 ≤0.030 ≤0.030 23.00-25.00 12.00-14.00 — —
H1Cr24Ni13Mo2 H0Cr26Ni21 H0Cr26Ni21 H0Cr19Ni12Mo2 H00Cr19Ni12Mo2
≤0.12 ≤0.60 1.00-2.50 ≤0.030 ≤0.030 23.00-25.00 12.00-14.00 2.00-3.00
— —
— — — — — Cu1.00-2.50
— Ti9×C%-1.00 Nb10×C%-1.00
≤0.15 0.2-0.59 1.00-2.50 ≤0.030 ≤0.030 25.00-28.00 20.00-22.50 ≤0.08 ≤0.08 ≤0.03
≤0.06 ≤0.60 ≤0.60 ≤0.60 ≤0.60 ≤0.60 ≤0.60
1.00-2.50 ≤0.030 ≤0.030 25.00-28.00 20.00-22.50
1.00-2.50 ≤0.030 ≤0.030 18.00-20.00 11.00-14.00 2.00-3.00 1.00-2.50 ≤0.030 ≤0.030 18.00-20.00 11.00-14.00 2.00-3.00 1.00-2.50 ≤0.030 ≤0.030 18.00-20.00 11.00-14.00 2.00-3.00 1.00-2.50 ≤0.030 ≤0.030 18.50-20.50 13.00-15.00 3.00-4.00 1.00-2.50 ≤0.030 ≤0.030 18.50-20.50 9.00-10.50 1.00-2.50 ≤0.030 ≤0.030 19.00-2.50
9.00-11.00
— —
H00Cr19Ni12Mo2Cu2 ≤0.03 H0Cr20Ni14Mo3 H0Cr20Ni10Ti H0Cr20Ni10Nb
≤0.06 ≤0.06 ≤0.08
H1Cr21Ni10Mn6 ≤0.10 0.20-0.60 5.00-7.00 ≤0.030 ≤0.030 20.00-22.00 9.00-11.00 — —
注:国家标准[GB4242-84己调整为YB/T行业标准。 (2)中国GB标准埋弧用不锈钢焊丝[GB/T17854-1999] a.GB标准埋弧用不锈钢焊丝的牌号与化学成分,见表8-1-48。
表8-1-48 准埋弧用不锈钢焊丝的牌号与化学成分(质量分数)(%)
焊丝牌号 H0Cr21Ni10 H00Cr21Ni10 H1Cr24Ni13 H1Cr24Ni13Mo2 H1Cr26Ni21 H0Cr19Ni12Mo2 H00Cr19Ni12Mo
C Si Mn P S Cr Ni Mo — — —
其他 — — — — — — — Cu1.00-2.50
— Nb10×C%-1.00
— —
≤0.08 ≤0.60 1.00-2.50 0.030 0.030 19.50-22.00 9.00-11.00 ≤0.03 ≤0.60 1.00-2.50 0.030 0.020 19.50-22.00 9.00-11.00 ≤0.12 ≤0.60 1.00-2.50 0.030 0.030 23.00-25.00 12.00-14.00
≤0.12 ≤0.60 1.00-2.50 0.030 0.030 23.00-25.00 12.00-14.00 2.00-3.00 ≤0.15 ≤0.60 1.00-2.50 0.030 0.030 25.00-28.00 20.00-22.00
—
≤0.08 ≤0.60 1.00-2.50 0.030 0.030 18.00-20.00 11.00-14.00 2.00-3.00 ≤0.03 ≤0.60 1.00-2.50 0.030 0.020 18.00-20.00 11.00-14.00 2.00-3.00
H00Cr19Ni12Mo2Cu2 ≤0.03 ≤0.60 1.00-2.50 0.030 0.020 18.00-20.00 11.00-14.00 2.00-3.00 H0Cr19Ni14Mo3 H0Cr20Ni10Nb
H1Cr13 H1Cr17
≤0.08 ≤0.60 1.00-2.50 0.030 0.030 18.50-20.50 13.00-15.00 3.00-4.00 ≤0.08 ≤0.60 1.00-2.50 0.030 0.030 19.00-21.50 9.00-11.00 ≤0.12 ≤0.50 ≤0.10 ≤0.50
≤0.60 ≤0.60
0.030 0.030 11.50-13.50 0.030 0.030 15.50-17.50
≤0.60 ≤0.60
— — —
注:根据供需双方协议,也可生产本表牌号以外的焊丝。
b.GB标准埋弧用不锈钢焊丝和焊剂组合的熔敷金属的化学成分,见表8-1-49。
表8-1-49 埋弧用不锈钢焊丝和焊剂组合的熔敷金属的化学成分(质量分数)(%)
焊丝和焊剂型号 F308-H××× F308L-H××× F309-H××× F309Mo-H×××
C ≤0.08 ≤0.04 ≤0.15 ≤0.12
Si Mn P S Cr Ni Mo — — —
其他 — — — —
≤1.00 0.50-2.50 0.040 0.030 18.0-21.0 9.0-11.0 ≤1.00 0.50-2.50 0.040 0.030 18.0-21.0 9.0-11.0 ≤1.00 0.50-2.50 0.040 0.030 22.0-25.0 12.0-14.0
≤1.00 0.50-2.50 0.040 0.030 22.0-25.0 12.0-14.0 2.00-3.00
F310-H××× F316-H××× F316L-H××× F316CuL-H××× F317-H××× F347-H××× F410H-××× F430-H×××
≤0.20 ≤0.08 ≤0.04 ≤0.04 ≤0.08 ≤0.08 ≤0.12 ≤0.10
≤1.00 0.50-2.50 0.030 0.030 25.0-28.0 20.0-22.0 — — — — Cu1.00-2.50
— Nb8×C%-1.00
— —
≤1.00 0.50-2.50 0.040 0.030 17.0-20.0 11.0-14.0 2.00-3.00 ≤1.00 0.50-2.50 0.040 0.030 17.0-20.0 11.0-14.0 2.00-3.00 ≤1.00 0.50-2.50 0.040 0.030 17.0-20.0 11.0-14.0 1.20-2.75 ≤1.00 0.50-2.50 0.040 0.030 18.0-21.0 12.0-14.0 3.00-4.00 ≤1.00 0.50-2.50 0.040 0.030 18.0-21.0 9.0-11.0 ≤1.00 ≤1.00
≤1.20 ≤1.20
0.040 0.030 11.0-13.5 0.040 0.030 15.0-18.0
≤0.60 ≤0.60
— — —
注:焊剂型号中添加字母L的,表示较低碳含量。
c.GB标准埋弧焊用不锈钢焊丝和焊剂组合的熔敷金属的力学性能,见表8-1-50。 表8-1-50 埋弧焊用不锈钢焊丝和焊剂组合的熔敷金属的力学性能
抗拉强度σb/MPa
焊丝和焊剂型号
伸长率δ(%)
焊丝和焊剂型号
抗拉强度σb/MPa 伸长率δ(%)
(不小于)
F308-H××× F308L-H××× F309-H××× F309Mo-H××× F310-H×××① F316-H×××②
520 480 520 550 520 520
30 25 25 25 25 25
F316L-H××× F316CuL-H××× F317-H××× F347-H××× F410H-××× F430-H×××
480 480 520 520 440 450
(不小于)
30 30 25 25 20 17
①试样加工前经840-870℃保温2h,以小于55℃/h的冷却速度炉冷至590℃,随后空冷。 ②试样加工前经760-785℃保温2h,以小于55℃/h的冷却速度炉冷至590℃,随后空冷。 (3)中国GB标准不锈钢药芯焊丝[GB/T 17853-1999]
a.GB标准不锈钢药芯焊丝的型号与熔敷金属的化学成分,见表8-1-51。
表8-1-51 不锈钢药芯焊丝的型号与熔敷金属的化学成分(质量分数)(%)
型号 C Si Mn
P S
Cr Ni Mo 其他
≤ ≤
E307T×-× E308T×-× E308LT×-× E308HT×-× E308MoT×-× E308LMoT×-× E309T×-×
≤0.13 ≤0.08 ≤0.04 0.04-0.08 ≤0.08 ≤0.04 ≤0.10
≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00
3.30-4.75 0.040 0.030 18.0-20.5 9.00-10.5 0.50-1.50 ≤0.50 ≤0.50 ≤0.50 2.00-3.00 2.00-3.00 ≤0.50
Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Nb0.70-1.00
0.50-2.50 0.04 0.030 18.0-21.0 9.00-11.00 0.50-2.50 0.040 0.030 18.0-21.0 9.00-11.00 0.50-2.50 0.040 0.030 18.0-21.0 19.00-11.00 0.50-2.50 0.040 0.030 18.0-21.0 0.50-2.50 0.040 0.030 18.0-21.0 0.50-2.50 0.040 0.030 22.0-25.0
9.00-11.0 9.00-12.0 12.0-14.0
E309LNbT×-× ≤0.04 ≤1.00 0.50-2.50 0.040 0.030 22.0-25.0 12.0-14.0 ≤0.50
Cu≤0.50
E309LT×-× E309MoT×-× E309LMoT×-× E309LNiMoT×-× E310T×-× E312T×-× E316T×-× E316LT×-× E317LT×-×
≤0.04 ≤0.12 ≤0.04 ≤0.04 ≤0.20 ≤0.15 ≤0.08 ≤0.04 ≤0.04
≤1.00 ≤1.00 ≤1.00 1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00
0.50-2.50 0.040 0.030 22.0-25.0 0.50-2.50 0.040 0.030 21.0-25.0 0.50-2.50 0.040 0.030 21.0-25.0 0.50-2.50 0.040 0.030 20.5-23.5 1.00-2.50 0.030 0.030 25.0-28.0 0.50-2.50 0.030 0.030 28.0-32.0 0.50-2.50 0.040 0.030 17.0-20.0 0.50-2.50 0.040 0.030 17.0-20.0 0.50-2.50 0.040 0.030 18.0-21.0
12.0-14.0 12.0-16.0 12.0-16.0 15.0-17.0 20.0-22.5 8.00-10.5 11.0-14.0 11.0-14.0 12.0-14.0
≤0.50 2.00-3.00 2.00-3.00 2.50-3.50 ≤0.50 ≤0.50 2.00-3.00 2.00-3.00 3.00-4.00
Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Nb8×C-1.00
E347T×-× ≤0.08 ≤1.00 0.50-2.50 0.040 0.030 18.0-21.0 9.00-11.0 ≤0.50
Cu≤0.50 Ti 10×C-1.50
E409T×-× ≤0.10 ≤1.00 ≤0.80 0.040 0.030 10.5-13.5 ≤0.60 ≤0.50
Cu≤0.50
E410T×-× E410N1MoT×-×
≤0.12 ≤0.06
≤1.00 ≤1.00
≤1.20 ≤1.00
0.040 0.030 11.0-13.5 0.040 0.030 11.0-12.5
≤0.60 4.00-5.00
≤0.50 0.40-0.70
Cu≤0.50 Cu≤0.50 Ti 10×C-1.50
E410NiTiT×-× ≤0.04 ≤0.50 ≤0.70 0.030 0.030 11.0-12.0 3.60-4.50 ≤0.50
Cu≤0.50
E430T×-× E502T×-× E505T×-× E307T0-3 E308T0-3 E308LT0-3 E308HT0-3 E308MoT0-3 E308LMoT0-3 E308HMoT0-3 E309T0-3 E309LT0-3
≤0.10 ≤0.10 ≤0.10 ≤0.13 ≤0.08 ≤0.03 0.04-0.08 ≤0.08 ≤0.03
≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00
≤1.20 ≤1.20 ≤1.20
0.040 0.030 15.0-18.0 0.040 0.030 4.00-6.00 0.040 0.030 8.00-10.5
≤0.60 ≤0.40 ≤0.40 9.00-10.5 9.00-11.0 9.00-11.0 9.00-11.0 9.00-11.0 9.00-12.0 9.00-10.7 12.0-14.0 12.0-14.0
≤0.50 0.45-0.65 0.85-1.20 0.50-1.50 ≤0.50 ≤0.50 ≤0.50 2.00-3.00 2.00-3.00 1.80-2.40 ≤0.50 ≤0.50
Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Nb0.70-1.00
3.30-4.75 0.040 0.030 19.5-22.0 0.50-2.50 0.040 0.030 19.5-22.0 0.50-2.50 0.040 0.030 19.5-22.0 0.50-2.50 0.040 0.030 19.5-22.0 0.50-2.50 0.040 0.030 18.0-21.0 0.50-2.50 0.040 0.030 18.0-21.0
0.07-0.12 0.25-0.80 1.25-2.50 0.040 0.030 19.0-21.5 ≤0.10 ≤0.03
≤1.00 ≤1.00
0.50-2.50 0.040 0.030 23.0-25.5 0.50-2.50 0.040 0.030 23.0-25.5
E309LNbT0-3 ≤0.03 ≤1.00 0.50-2.50 0.040 0.030 23.0-25.5 12.0-14.0 ≤0.50
Cu≤0.50
E309MoT0-3 E309LMoT0-3 E310T0-3 E312T0-3 E316T0-3 E316LT0-3 E316LKT0-3 E317LT0-3
≤0.12 ≤0.04 ≤0.20 ≤0.15 ≤0.08 ≤0.03 ≤0.04 ≤0.03
≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00
0.50-2.50 0.040 0.030 21.0-25.0 0.50-2.50 0.040 0.030 21.0-25.0 1.00-2.50 0.030 0.030 25.0-28.0 0.50-2.50 0.040 0.030 28.0-32.0 0.50-2.50 0.040 0.030 18.0-20.5 0.50-2.50 0.040 0.030 18.0-20.5 0.50-2.50 0.040 0.030 17.0-20.0 0.50-2.50 0.040 0.030 18.5-21.0
12.0-16.0 12.0-16.0 20.0-22.5 8.00-10.5 11.0-14.0 11.0-14.0 11.0-14.0 13.0-15.0
2.00-3.00 2.00-3.00 ≤0.50 ≤0.50 2.00-3.00 2.00-3.00 2.00-3.00 13.00-14.00
Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Cu≤0.50 Nb8×C-1.00
E347T0-3 ≤0.08 ≤1.00 0.50-2.50 0.040 0.030 19.0-21.5 9.00-11.0 ≤0.50
Cu≤0.50 Nb10×C-1.50
E409T0-3 ≤0.10 ≤1.00 ≤0.80 0.040 0.030 10.5-13.5 ≤0.60 ≤0.50
Cu≤0.50
E410T0-3 E410NiMoT0-3
≤0.12 ≤0.06
≤1.00 ≤1.00
≤1.00 ≤1.00
0.040 0.030 11.0-13.5 0.040 0.030 11.0-12.5
≤0.60 4.0-5.00
≤0.50 0.40-0.70
Cu≤0.50 Cu≤0.50
Nb10×C-1.50
E410NiTiT0-3
≤0.04
≤0.50
≤0.70
0.030 0.030 11.0-12.0
3.60-4.50
≤0.50
Cu≤0.50
E430T0-3 E2209T0-× E2553T0-× E×××T×-G R308LT1-5 R309LT1-5 R316LT1-5
≤0.10 ≤0.04 ≤0.04 — ≤0.03 ≤0.03 ≤0.03
≤1.00 ≤1.00 ≤0.75 — ≤1.20 ≤1.20 ≤1.20
≤1.00
0.040 0.030 15.0-18.0
≤0.60
≤0.50 2.50-4.00 2.90-3.90
— ≤0.05 ≤0.50 2.00-3.00
Cu≤0.50 Cu≤0.50 Cu1.50-2.50
— Cu≤0.50 Cu≤0.50 Cu≤0.50 Nb8×C-1.00
R347T1-5
≤0.08
≤1.20
0.50-2.50 0.040 0.030 18.0-21.0
9.00-11.0
≤0.50
Cu≤0.50
0.50-2.00 0.040 0.030 21.0-24.0 17.50-10.0 0.50-1.50 0.040 0.030 24.0-27.0
—
—
—
—
8.50-10.0
— 9.00-11.0 12.0-14.0 11.0-14.0
0.50-2.50 0.040 0.030 18.0-21.0 0.50-2.50 0.040 0.030 22.0-25.0 0.50-2.50 0.040 0.030 17.0-20.0
注:1.当对表中给出的元素进行化学分析时,若存在其他元素(铁除外),由其总量(质量分数)不得超过0.50%。 2.表中Nb含量为Nb+Ta含量。 3.E×××T×-G的化学成分不规定。
b.GB标准不锈钢药芯焊丝熔敷金属的力学性能,见表8-1-52.
表8-1-52 不锈钢药芯焊丝熔敷金属的力学性能
抗拉强度σb/MPa
型号
(不小于)
E307T×-× E308T×-× E308LT×-× E308HT×-× E308MoT×-× E308LMoT×-× E309T×-× E309LNbT×-× E309LT×-×
590 550 520 550 550 520 550 520 520
伸长率δ(%)
热处理
30 35 35 35 35 35 25 25 25
— — — — — — — — —
E309MoT×-× E309LMoT×-× E309LNiMoT×-× E310T×-× E312T×-× E316T×-× E316LT×-× E317LT×-× E347T×-× E409T×-× E410T×-× E410N1MoT×-× E410NiTiT×-× E430T×-× E502T×-× E505T×-× E308HMoT0-3 E316LKT0-3 E2209T0-× E2553T0-× E×××T×-G R308LT1-5 R309LT1-5 R316LT1-5 R347T1-5
550 520 520 550 660 520 485 520 520 450 520 760 760 450 415 415 550 485 690 760 — 520 520 785 520
25 25 25 25 22 30 30 20 25 15 20 15 15 20 20 20 30 30 20 15 — 35 30 30 30
— — — — — — — — — — — b) b) c) d) d) — — — — — — — — —
注:热处理栏的字母表示不同的热处理制度。
a)试样加热到730-760℃保温1h后,以小于55℃/h的冷却速度炉冷至315℃,出炉空冷至室温。 b)试样加热到595-620℃保温1h后,出炉空冷至室温。
c)试样加热到760-790℃保温4h后,以小于55℃/h的冷却速度炉冷至590℃,出炉空冷至室温。 d)试样加热到840-870℃保温2h后,以小于55℃/h的冷却速度炉冷至315℃,出炉空冷至室温。