JIS G3429 yog ib lub teb chaws Nyij Pooj tus qauv tshwj xeeb rau seamless steel kav rau cov roj ntim siab. Cov qauv siv ntawm cov yeeb nkab steel no yog JIS G3429-2017, thiab nws lub hom phiaj tseem ceeb yog los tsim cov kav dej seamless steel rau cov thawv ntim siab. Cov txheej txheem no suav nrog ntau qib ntawm cov yeeb nkab steel, suav nrog STH11, STH12, STH21, STH22, STH31, thiab lwm yam. Cov tshuaj muaj pes tsawg leeg ntawm cov kav hlau no kuj ua tau raws li cov kev cai tshwj xeeb los xyuas kom meej tias lawv tsim nyog rau kev tsim cov thawv ntim roj.
Cov ntaub ntawv khoom
JIS G3429 High Pressure Gas Cylinder Tube Cov Khoom Siv Tshuaj:
| Chav kawm | C | Si | Mn | P | S | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|---|
| STH 11 | 0.50 max | 0.10~0.35 | 1.80 max | 0.035max | 0.035max | - | - | - |
| STH 12 | 0.30~0.41 | 0.10~0.35 | 1.35~1.70 | 0.030max | 0.030max | - | - | - |
|
STH 21 |
0.25~0.35 |
0.15~0.35 |
0.40~0.90 |
0.030max |
0.030max |
0.25 max |
0.80~1.20 |
0.15~0.30 |
|
STH 22 |
0.33~0.38 |
0.15~0.35 |
0.40~0.90 |
0.030max |
0.030max |
0.25 max |
0.80~1.20 |
0.15~0.30 |
| STH31 | 0.35~0.40 | 0.10~0.50 | 1.20~1.50 | 0.030max | 0.030max | 0.50~1.00 | 0.30~0.60 | 0.15~0.25 |
Tolerances ntawm JIS G3429 Seamless Steel Tubes
| Ua siab ntev | Cov ntaub ntawv |
| Sab nraud txoj kab uas hla: | 0.01 |
| Phab ntsa thickness: | 0.3 |
| Phab ntsa thickness disparity: | Hauv 20% ntawm nominal phab ntsa thickness |
| Ntev: | >+30 hli |
Cov khoom tso tawm
JIS G3429 Seamless Steel Tubing Rau Gas Lub tog raj kheej

Vim li cas thiaj xaiv GNEE
GNEE tsuas yog tsim thiab muag hauv cov kav dej carbon steel thiab cov kav hlau alloy steel. Peb cov kav dej muaj xws li cov kav dej xa dej, cov kav dej, cov kav dej hydraulic, cov kav dej boiler thiab cov kav dej. Peb feem ntau muaj ntau dua 5, 000 tons ntawm cov kav dej hauv ntau qhov ntau thiab tsawg. Peb cov yeeb nkab muaj qhov ntau thiab tsawg ntawm 20mm mus rau 406mm sab nraud txoj kab uas hla thiab 2mm mus rau 70mm phab ntsa thickness.
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FAQ
Q: Koj puas tuaj yeem xa cov khoom raws sijhawm?
A: Yog, peb cog lus tias yuav muab cov khoom zoo tshaj plaws thiab xa khoom raws sij hawm Honesty yog peb lub tuam txhab txoj cai.
Q: Koj puas muab cov qauv? puas yog dawb los yog ntxiv?
A: Cov qauv tuaj yeem muab rau cov neeg siv khoom dawb, tab sis cov khoom xa tuaj yuav raug them los ntawm cov neeg siv khoom.
Q: Koj puas lees txais qhov kev tshuaj xyuas thib peb?
A: Yog lawm, peb lees txais.
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