> 제품 리스트 > 원활한 스틸 튜브 > GB 9948 석유 크래킹 이음매없는 강철 튜브

GB 9948 석유 크래킹 이음매없는 강철 튜브

지불 유형:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
인 코텀:
FOB,CFR,CIF,FCA,CPT
최소 주문량:
5 Ton
수송:
Ocean,Land,Air
포트:
Shanghai,Ningbo
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Overview
제품 속성

모형GB 9948

상표토리치

공급 능력 및 추가 정보

포장나무 상자 또는 6 각형 번들 포장

생산력20000 Tons per Year

수송Ocean,Land,Air

원산지중국

지원에 대한 지원60000 Ton per year

인증 ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API

HS 코드7304293000

포트Shanghai,Ningbo

지불 유형L/C,T/T,D/P,Paypal,Money Gram,Western Union

인 코텀FOB,CFR,CIF,FCA,CPT

포장 및 배송
판매 단위:
Ton
포장 종류:
나무 상자 또는 6 각형 번들 포장

제품 이름 : GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV 석유 균열 이음매없는 강철 튜브

우리는 원활한 탄소강 튜브, 오일 실린더 스틸 튜브, ​​정밀 원활한 스틸 튜브, ​​유압 실린더 스틸 튜브를 사고 싶은 경우 중국의 원활한 스틸 튜브의 제조 업체입니다 문의하시기 바랍니다.

외경 : 3 ~ 600mm

벽 두께 : 0.5 ~ 50mm

신청: 그것은 용광로, 열교환 기 석유 균열 등을위한 완벽한 강철 튜브에 사용됩니다.



표 1 외경 및 벽 두께의 허용차 단위 : mm

Sort Code

Manufacuring Method

Nominal Size

Tolerances

Common Level

High Level

W-H

Hot Rolling (Extrusion)

Outer Diameter     D

54

±0.50

±0.30

54~325

±1%D

±0.75%D

325

±1%D

-

Wall Thicknass     S

20

+15%S

-10%S

±10%S

20

+12.5%S

-10%S

±10%S

Hot Expand

Outer Diameter     D

All

±1%D

Wall Thicknass     S

All

±15%S

W-C

Cold Drawn(Rolling)

Outer Diameter     D

25.4

±0.15

25.4~40

±0.20

40~50

±0.25

50~60

±0.30

60

±0.75%D

±0.5%D

Wall Thicknass     S

3.0

±0.3

±0.2

3.0

±10%S

±7.5%S

표 2 최소 벽 두께의 허용차 단위 : mm

Sort Code

Manufacturing Method

Minimum Wall Thickness    Smin

Tolerance

Common Level

High Level

W-H

Hot Rolling(Extrusion)

4.0

+0.90

0

+0.70

0

4.0

+25%Smin

0

+22%Smin

0

W-C

Cold Drawn(Rolling)

3.0

+0.6

0

+0.4

0

3.0

+20%Smin

0

+15%Smin

0

표 3 강재 등급 및 화학 조성

Steel grade

Chemical composition %

C

Si

Mn

Cr

Mo

Ni

Nb

Ti

V

Cu

P

S

10

0.07~

0.13

0.17~

0.37

0.35~

0.65

0.15

0.15

0.25

-

-

0.08

0.20

0.025

0.015

20

0.17~

0.23

0.17~

0.37

0.35~

0.65

0.25

0.15

0.25

-

-

0.08

0.20

0.025

0.015

12CrMo

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.40~

0.70

0.40~

0.55

0.30

-

-

-

0.20

0.025

0.015

15CrMo

0.12~

0.018

0.17~

0.37

0.40~

0.70

0.80~

1.10

0.40~

0.55

0.30

-

-

-

0.20

0.025

0.015

12CrlMo

0.08~

0.15

0.50~

1.00

0.30~

0.60

1.00~

1.50

0.45~

0.65

0.30

-

-

-

0.20

0.025

0.015

12CrlMoV

0.08~

0.15

0.17~

0.37

0.40~

0.70

0.90~

1.20

0.25~

0.35

0.30

-

-

0.15~

0.30

0.20

0.025

0.015

12Cr2Mo

0.08~

0.15

0.50

0.40~

0.60

2.00~

2.50

0.90~

1.13

0.30

-

-

-

0.20

0.025

0.015

12Cr5MoI

12Cr5MoNT

0.15

0.50

0.30~

0.60

4.00~

6.00

0.45~

0.60

0.60

-

-

-

0.20

0.025

0.015

12Cr9MoI

12Cr9MoNT

0.15

0.25~

1.00

0.30~

0.60

8.00~

10.00

0.90~

1.10

0.60

-

-

-

0.20

0.025

0.015

07Cr19Ni10

0.04~

0.10

1.00

2.00

18.00~

20.00

-

8.00~

11.00

-

-

-

-

0.030

0.015

07Cr18Ni11Nb

0.04~

0.10

1.00

2.00

17.00~

19.00

-

9.00~

12.00

8C~

1.10

-

-

-

0.030

0.015

07Cr19Ni11NTi

0.04~

0.10

0.75

2.00

17.00~

20.00

-

9.00~

13.00

-

4C~

0.60

-

-

0.030

0.015

022Cr17Ni12Mo2

0.30

1.00

2.00

16.00~

18.00

2.00~

3.00

10.00~

14.00

-

-

-

-

0.030

0.015

표 4 열처리 표준

Steel Grade

Heat Treatment Standard

10a

Normalizing;At Temperature 880℃~940℃

20a

Normalizing:At Temperature 880℃~940℃

12CrMob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 670℃~730℃

15CrMob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 680℃~730℃

12Cr1Mob

Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 680℃~750℃

12Cr1MoVb

S30mm:Normalizing:At Temperature 980℃~1020℃

Tempering:At Temperature 720℃~760℃

S30mm:Quenching:At Temperature 950℃~990℃

Tempering:At Temperature 720℃~760℃

Or       Normalizing:At Temperature 980℃~1020℃

(rapid cooling after Normalizing)

Tempering:At Temperature 720℃~760℃

12Cr2Mob

S30mm:Normalizing:At Temperature 900℃~960℃

Tempering:At Temperature 700℃~750℃

S30mm:Quenching:At Temperature ≥ 900℃

Tempering:At Temperature 700℃~750℃

Or       Normalizing:At Temperature 900℃~960℃

(rapid cooling after Normalizing)

Tempering:At Temperature 700℃~750℃

12Cr5MoI

Full Annealing or isothermal annealing

12Cr5MoNT

Normalizing:At Temperature 930℃~980℃

Tempering:At Temperature 730℃~770℃

12Cr9MoI

Full Annealing or isothermal annealing

12Cr9MoNT

Normalizing:At Temperature 890℃~950℃

Tempering:At Temperature 720℃~800℃

07Cr19Ni10

Treatment with solid solving:At Temperature ≥ 1040℃

(rapid cooling after Treatment)

 

07Cr18Ni11Nb

Treatment with solid solving:

For Hot Rolled Tube At Temperature ≥ 1050℃

For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃

(rapid cooling after Treatment)

 

07Cr19Ni11Ti

Treatment with solid solving:

For Hot Rolled Tube At Temperature ≥ 1050℃

For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃

(rapid cooling after Treatment)

 

표 5 기계적 성질

Steel Grade

Tensile

Strength

Rm/MPa

Lower yield strength Rp0.2/MPa

Elongation A/%

Shock absorption KV2/J

Brinell hardness

Longitudinal direction

Transverse

Longitudinal direction

Transverse

10

335~475

205

25

23

40

27

-

20

410~550

245

24

22

40

27

-

12CrMo

410~560

205

21

19

40

27

156HBW

15CrMo

440~640

295

21

19

40

27

170HBW

12Cr1Mo

415~560

205

22

20

40

27

163HBW

12Cr2MoV

470~640

255

21

19

40

27

179HBW

12Cr2Mo

450~600

280

22

20

40

27

163HBW

12Cr5MoI

415~590

205

22

20

40

27

163HBW

12Cr5MoNT

480~640

280

20

18

40

27

-

12Cr9MoI

460~640

210

20

18

40

27

179HBW

12Cr9MoNT

590~740

390

18

16

40

27

-

07Cr19Ni10

≥520

205

35

-

-

187HBW

07Cr18Ni11Nb

≥520

205

35

-

-

187HBW

07Cr19Ni11Ti

≥520

205

35

-

-

187HBW

022Cr17Ni12Mo2

≥485

170

35

-

-

187HBW

If the wall thickness of the tube is less than 5mm, doesn`t have to do the hardness test

표 6 작은 시료의 충격 에너지 흡수 감쇠 계수

Specimen

Specimen size(heightXwidth)mm

Attenuation factor

Standard sample

10X10

1.00

Small sample

10X7.5

0.75

Small sample

10X5

0.50

표 7 강관의 직경 발현율

Steel

Diameter flaring rate of steel tubes/%

ID/OD

0.6

0.6~0.8

0.8

Carbon structural steel

10

12

17

Alloy structural steel

8

10

15

Stainless(heat resistance)steel

12

15

20

표 8 강관의 시험 항목 및 채취량

Number

Testing items

Sampling quantity

1

Chemical composition

1 sample from each furnace

2

Tensile test

1 sample from each of two steel tubes on each batch

3

Hardness test

3 samples taken on 2 steel tubes on each batch

4

Impact test

All

5

Hydraulic test

1 sample from each of two steel tubes on each batch

6

Flattening test

2 samples taken on 2 steel tubes on each batch

7

Bending test

1 sample taken on 2 steel tubes on each furnace

8

Flaring test

2 samples taken on 2 steel tubes on each batch

9

Macroscopic examination

1 sample taken on 2 steel tubes on each furnace

10

Non-metallic inclusions

1 sample taken on 2 steel tubes on each furnace

11

Eddy current testing

All

12

Magnetic flux leakage detection 

All

13

Ultrasonic testing

All

14

Intergranular corrosion test

1 sample from each of two steel tubes on each batch

표 A.1 유사한 강종의 비교표

No.

GB

Similar Steel Grade

ISO

EN

ASTM/ASME

JIS

1

10

-

P195GH

A

STB 340

2

20

PH26

P235GH

A-1.B

STB 410

3

12CrMo

-

-

T2/P2

STBA 20

4

15CrMo

13CrMo4-5

13CrMo4-5

T12/P12

STBA 22

5

12Cr1Mo

-

10CrMo5-5

T11/P11

STBA 23

6

12Cr1MoV

-

-

-

-

7

12Cr2Mo

10CrMo9-10

10CrMo9-10

T22/P22

STBA 24

8

12Cr5Mo-I

X11CrMo9-1TA

X11CrMo5+I

T5/P5

STBA 25

9

12Cr5Mo-NT

-

X11CrMo5+NT

T5/P5

STBA 25

10

12Cr9Mo-I

X11CrMo9-1TA

X11CrMo9-1+I

T9/P9

STBA 26

11

12Cr9Mo-NT

-

X11CrMo9-1+NT

T9/P9

STBA 26

12

07Cr19Ni10

X7CrNi18-9

X6CrNi18-10

TP304H

SUS 304H TB

13

07Cr18Ni11Nb

X7CrNiNb18-10

X7CrNiNb18-10

TP347H

SUS 347H TB

14

07Cr19Ni11Ti

-

X6CrNiTi18-10

TP321H

SUS 321H TB

15

022Cr17Ni12Mo2

-

X2CrNiMo17-12-2

TP316L

SUS 316L TB

Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube


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