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モデル: GB/T14976
ブランド: Torich
包装: 木箱または六角形の束での梱包
生産高: 20000 Tons per Year
輸送方法: Ocean,Land,Air
原産地: 浙江、中国(本土)
についてのサポート: 60000 Ton per year
認証 : ISO9001:2008 ISO14001:2008, TS16949, CE PED, TUV, API
HSコード: 7306301100
ポート: Shanghai,Ningbo
お支払い方法の種類: L/C,T/T,D/P,Paypal,Money Gram,Western Union
インコタームズ: FOB,CFR,CIF,FCA,CPT
中国ステンレス鋼管メーカー、私たちのステンレス鋼の排気管、溶接鋼管、丸いステンレス鋼管、ポーランドのステンレス鋼管、ステンレスコイル管、二重ステンレス鋼管は、品質と価格競争力が良いです。
製品名 :TORICH GB / T14976 ASTM A269 A312シームレス鋼管
標準 : GB / T14976 ASTM A269 A312
OD:3-420mm
WT:0.5〜50mm
長さ :1-12メートルまたは 顧客の実際のアプリケーションと生産に応じて。
アプリケーション : フルイード輸送用
スチールグレード :201/202/304 / 304L / 316 / 316L321 / 310/410/420/430/440 / 439ect
テクノロジー :冷間圧延冷間圧延
特性:
良好な同心性
良好な表面品質
良好なODおよびID許容値
高精度
安定した品質
滑らかな粗さ
トーリーク・アシュアランス
表1外径と肉厚の許容差単位 : mm
Hot rolling(extrusion,expansion) steel tube |
Cold drawn(rolling)steel tube |
||||||
Diamension |
Tolerance |
Diamension |
Tolerance |
||||
Ordinary Grade PA |
High Grade PC |
Ordinary Grade PA |
High Grade PC |
||||
Nominal Outer Diameter D |
68~159 |
±1.25%D |
±1%D |
Nominal Outer Diameter D |
6~10 |
±0.20 |
±0.15 |
>10~30 |
±0.30 |
±0.20 |
|||||
>30~50 |
±0.40 |
±0.30 |
|||||
>50~219 |
±0.85%D |
±0.75%D |
|||||
>159 |
±1.5%D |
>219 |
±0.9%D |
±0.8%D |
|||
Nominal Wall Thickness S |
<15 |
+15%S -12.5%S |
±12.5%S |
Nominal Wall Thickness S |
≤3 |
±12%S |
±10%S |
≥15 |
+20%S -15%S |
>3 |
+12.5%S -10%S |
±10%S |
表2最小肉厚の許容差単位:mm
Manufacturing Method |
Diamension |
Tolerance |
|
Ordinary Grade PA |
High Grade PC |
||
Hot rolling(extrusion,expansion) steel tube W-H |
Smin<15 |
+25%Smin 0 |
+22.5%Smin 0 |
Smin≥15 |
+32.5%Smin 0 |
||
Cold drawn(rolling)steel tube W-C |
All Wall Tickness |
+22%Smin 0 |
+20%Smin 0 |
表3グレードおよび化学成分
No. |
GB/T 20878 |
Grade |
|
Chemical Component(Quality Fraction)/% |
||||||||||
No. |
Unified Digital Code |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Cu |
N |
Others |
||
13 |
S30210 |
12Cr18Ni9 |
0.15 |
1.00 |
2.00 |
0.035 |
0.030 |
8.00~10.00 |
17.00~19.00 |
- |
- |
0.10 |
- |
|
2 |
17 |
S30408 |
06Cr19Ni10 |
0.08 |
1.00 |
2.00 |
0.035 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
- |
- |
3 |
18 |
S30403 |
022Cr19Ni10 |
0.030 |
1.00 |
2.00 |
0.035 |
0.030 |
8.00~12.00 |
18.00~20.00 |
- |
- |
- |
- |
4 |
23 |
S30458 |
06Cr19Ni10N |
0.08 |
1.00 |
2.00 |
0.035 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
0.10~0.16 |
- |
5 |
24 |
S30478 |
06Cr19Ni9NbN |
0.030 |
1.00 |
2.50 |
0.035 |
0.030 |
7.50~10.50 |
18.00~20.00 |
- |
- |
0.15~0.30 |
Nb:0.15 |
6 |
25 |
S30453 |
022Cr19Ni10N |
0.08 |
1.00 |
2.00 |
0.035 |
0.030 |
8.00~11.00 |
18.00~20.00 |
- |
- |
0.10~0.16 |
- |
7 |
32 |
S30908 |
06Cr23Ni13 |
0.030 |
1.00 |
2.00 |
0.035 |
0.030 |
12.00~15.00 |
22.00~24.00 |
- |
- |
- |
- |
8 |
35 |
S31008 |
06Cr25Ni20 |
0.08 |
1.50 |
2.00 |
0.035 |
0.030 |
19.00~22.00 |
24.0~26.00 |
- |
- |
- |
- |
9 |
38 |
S31608 |
06Cr17Ni12Mo2 |
0.08 |
1.00 |
2.00 |
0.035 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
- |
10 |
39 |
S31603 |
022Cr17Ni12Mo2 |
0.030 |
1.00 |
2.00 |
0.035 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
- |
11 |
40 |
S31609 |
07Cr17Ni12Mo2 |
0.04~0.10 |
1.00 |
2.00 |
0.035 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
- |
12 |
41 |
S31668 |
06Cr17Ni12Mo2Ti |
0.08 |
1.00 |
2.00 |
0.035 |
0.030 |
10.00~14.00 |
16.00~18.00 |
2.00~3.00 |
- |
- |
Ti:5C~0.70 |
表4推奨される熱処理システム。ステンレス鋼管の機械的性質と密度
Organization type |
No. |
GB/T 20878 |
Grade |
Recommended Heat Treatment System |
Mechanical Properties |
Density ρ/(kg/dm2) |
|||
No. |
Unified digital code |
Tensile strength Rm/MPa |
Specified plastic elongation strength Rp0.2/MPa |
Percentage elongation after fracture A/% |
|||||
Not less than |
|||||||||
Austenitic |
1 |
13 |
S30210 |
12Cr18Ni9 |
1010℃~1150℃,cold or otherwise |
520 |
205 |
35 |
7.93 |
2 |
17 |
S30408 |
06Cr19Ni10 |
1010℃~1150℃,cold or otherwise |
520 |
205 |
35 |
7.93 |
|
3 |
18 |
S30403 |
022Cr19Ni10 |
1010℃~1150℃,cold or otherwise |
480 |
175 |
35 |
7.90 |
|
4 |
23 |
S30458 |
06Cr19Ni10N |
1010℃~1150℃,cold or otherwise |
550 |
275 |
35 |
7.93 |
|
5 |
24 |
S30478 |
06Cr19Ni9NbN |
1010℃~1150℃,cold or otherwise |
685 |
345 |
35 |
7.98 |
|
6 |
25 |
S30453 |
022Cr19Ni10N |
1010℃~1150℃,cold or otherwise |
550 |
245 |
40 |
7.93 |
|
7 |
32 |
S30908 |
06Cr23Ni13 |
1010℃~1150℃,cold or otherwise |
520 |
205 |
40 |
7.98 |
|
8 |
35 |
S31008 |
06Cr25Ni20 |
1010℃~1150℃,cold or otherwise |
520 |
205 |
40 |
7.98 |
|
9 |
38 |
S31608 |
06Cr17Ni12Mo2 |
1010℃~1150℃,cold or otherwise |
520 |
205 |
35 |
8.00 |
|
10 |
39 |
S31603 |
022Cr17Ni12Mo2 |
480 |
175 |
35 |
8.00 |
||
11 |
40 |
S31609 |
07Cr17Ni12Mo2 |
≥1040℃,cold or otherwise |
515 |
205 |
35 |
7.98 |
|
12 |
41 |
S31668 |
06Cr17Ni12Mo2Ti |
1000℃~1100℃,cold or otherwise |
530 |
205 |
35 |
7.90 |
表5鋼管検査項目。試験方法とサンプリング数
No. |
Inspection Item |
Sampling Quantity |
Sampling Method |
Test Method |
1 |
Chemical Component |
Take a sample of each furance |
GB/T 20066 |
GB/T 223.GB/T 11170.GB/T20123.GB/T 20124 |
2 |
Tensile Test |
Take a sample between two steel tubes of each batch |
GB/T 2975 |
GB/T 228.1 |
3 |
Flattening Test |
Take a sample between two steel tubes of each batch |
GB/T 246 |
GB/T 246 |
4 |
Flaring Test |
Take a sample between two steel tubes of each batch |
GB/T 242 |
GB/T 242 |
5 |
Hydraulic Test |
Each piece |
- |
GB/T 241 |
6 |
Ultrasonic Test |
Each piece |
- |
GB/T 5777-2008 |
7 |
Eddy Test |
Each piece |
- |
GB/T 7735-2004 |
8 |
Intercrystalline corrosion test |
Take a sample between two steel tubes of each batch |
GB/T 4334-2008 |
GB/T 4334-2008 |
製品グループ : ステンレス鋼管
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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