CrabCaptain
YOUR CAPTAIN IN CHINA SOURCING
Making It Easy to Source Industrial Products from China · 让从中国采购工业品变容易
We supply a full range of pipe fittings and connectors — elbows, tees, reducers, couplings, unions and instrument tube fittings — in stainless steel, carbon steel and alloy, for process, instrumentation and hydraulic lines.
Pick a sub-category to narrow the catalog选择细分品类缩小目录
Full master-catalog extract — real part numbers, names and materials, rendered on the server so search engines can index every item. 全量型号目录（服务器渲染，便于收录）。
| Part No. | Description | Material |
|---|---|---|
| GB/T14976 | 无缝钢管Φ48*10 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ168*22 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ27*6 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ114*18 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ48*5 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ22*5 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ22*8 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ34*5 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ22*4 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ273*6 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ42*7 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ34*10 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ42*10 | 06Cr19Ni10 |
| GB/T6728 | 空心型钢F30*30*2 | Q235-B |
| GB/T6728 | 空心型钢F120*120*5 | Q235-B |
| GB/T9787 | 等边角钢50*50*5 | Q235-B |
| GB/T3091 | 镀锌钢管60.3*3.8 | Q195-B |
| GB/T5310 | 无缝钢管Φ27*4 | 20G |
| GB/T5310 | 无缝钢管Φ34*4.5 | 20G |
| GB/T5310 | 无缝钢管Φ89*6 | 20G |
| GB/T5310 | 无缝钢管Φ114*6 | 20G |
| GB/T5310 | 无缝钢管Φ168*7 | 20G |
| GB/T5310 | 无缝钢管Φ219*8 | 20G |
| GB/T5310 | 无缝钢管Φ273*10 | 20G |
| GB/T5310 | 无缝钢管Φ325*10 | 20G |
| GB/T5310 | 无缝钢管Φ406*14 | 20G |
| B-06Cr19Ni10-25 | 不锈钢板材 | 06Cr19Ni10 |
| O-42CrMo-100 | 合金钢棒材 | 42CrMo |
| O-42CrMo-95 | 合金钢棒材 | 42CrMo |
| GB/T18984 | 低温无缝钢管Φ60*4 | 16MnDG |
| ASME-B36.10M | 无缝钢管Φ60.3*5.54 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ26.7*3.91 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ168.3*7.11 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ33.4*3.38 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ219.1*8.18 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ323.8*10.31 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ114.3*8.56 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ273*6.35 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ73*5.16 | ASTM-A106Gr.B |
| ASME-B36.19M | 无缝钢管Φ21.3*2.77 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ33.4*3.38 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ88.9*5.49 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ73*5.16 | ASTM-A312-TP304 |
| GB/T8163 | 无缝钢管Φ232*18 | 20 |
| GB/T6479 | 无缝钢管Φ48*8 | 20 |
| GB/T14976 | 无缝钢管Φ89*8 | 022Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ114*12 | 022Cr17Ni12Mo2 |
| GB/T707 | 槽钢50*37*4.5 | Q235-B |
| O-022Cr17Ni12Mo2-120 | 不锈钢棒材 | 022Cr17Ni12Mo2 |
| ASME-B36.10M | 无缝钢管Φ219.1*6.35 | ASTM-A106Gr.B |
| GB/T18984 | 低温无缝钢管Φ27*4 | 16MnDG |
| GB/T8163 | 无缝钢管Φ457*14 | 20 |
| GB/T8163 | 无缝钢管Φ38*3.5 | 20 |
| GB/T6479 | 无缝钢管Φ168*14 | 20 |
| GB/T14976 | 无缝钢管Φ89*4 | 06Cr19Ni10 |
| O-20Cr13-80 | 不锈钢棒材 | 20Cr13 |
| GB/T14976 | 无缝钢管Φ18*3 | 06Cr19Ni10 |
| ASME-B36.19M | 无缝钢管Φ26.7*2.87 | ASTM-A312-TP316 |
| ASME-B36.19M | 无缝钢管Φ33.4*3.38 | ASTM-A312-TP316 |
| ASME-B36.19M | 无缝钢管Φ60.3*3.91 | ASTM-A312-TP316 |
| ASME-B36.19M | 无缝钢管Φ26.7*2.87 | ASTM-A312-TP316L |
| ASME-B36.19M | 无缝钢管Φ33.4*3.38 | ASTM-A312-TP316L |
| ASME-B36.19M | 无缝钢管Φ60.3*3.91 | ASTM-A312-TP316L |
| GB/T6728 | 空心型钢J200*100*5 | Q235-B |
| GB/T6728 | 空心型钢J150*100*5 | Q235-B |
| GB/T14976 | 无缝钢管Φ114*12 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ114*18 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ22*8 | 06Cr19Ni10 |
| GB/T6479 | 无缝钢管Φ508*10 | 20 |
| GB/T6479 | 无缝钢管Φ559*10 | 20 |
| O-42CrMo-70 | 合金钢棒材 | 42CrMo |
| ASME-B36.10M | 无缝钢管Φ168.3*10.97 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ273.0*15.09 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ323.8*17.48 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ355.6*19.05 | ASTM-A106Gr.B |
| ASME-B36.10M | 无缝钢管Φ406.4*21.44 | ASTM-A106Gr.B |
| GB/T14976 | 无缝钢管Φ38*4 | 06Cr19Ni10 |
| GB/T9948 | 无缝钢管Φ108*6 | 20 |
| GB/T9948 | 无缝钢管Φ159*7 | 20 |
| GB/T9948 | 无缝钢管Φ25*4 | 20 |
| GB/T9948 | 无缝钢管Φ32*4.5 | 20 |
| GB/T9948 | 无缝钢管Φ377*12 | 20 |
| GB/T9948 | 无缝钢管Φ480*14 | 20 |
| GB/T707 | 槽钢140*58*6 | Q235-B |
| ASME-B36.19M | 无缝钢管Φ114.3*6.02 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ141.3*6.55 | ASTM-A312-TP304 |
| O-022Cr17Ni12Mo2-65 | 不锈钢棒材 | 022Cr17Ni12Mo2 |
| ASME-B36.10M | 无缝钢管Φ26.7*2.87 | ASTM-A106Gr.B |
| GB/T8163 | 无缝钢管Φ27*4 | Q345-E |
| GB/T8163 | 无缝钢管Φ325*10 | Q345-E |
| GB/T8163 | 无缝钢管Φ356*12 | Q345-E |
| GB/T8163 | 无缝钢管Φ457*14 | Q345-E |
| GB/T8163 | 无缝钢管Φ48*5 | Q345-E |
| GB/T8163 | 无缝钢管Φ168*7 | Q345-E |
| GB/T8163 | 无缝钢管Φ219*8 | Q345-E |
| GB/T14976 | 无缝钢管Φ73*5 | 022Cr17Ni12Mo2 |
| GB/T8163 | 无缝钢管Φ114*6 | Q345-E |
| GB/T14976 | 无缝钢管Φ114*14 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ168*18 | 06Cr19Ni10 |
| GB/T6479 | 无缝钢管Φ22*4 | 20 |
| GB/T6479 | 无缝钢管Φ34*4 | 20 |
| GB/T6479 | 无缝钢管Φ356*20 | 20 |
| O-42CrMo-20 | 合金钢棒材 | 42CrMo |
| ASME-B36.19M | 无缝钢管Φ21.3*2.77 | ASTM-A312-TP316L |
| ASME-B36.19M | 无缝钢管Φ26.7*5.56 | ASTM-A312-TP316L |
| ASME-B36.19M | 无缝钢管Φ34*5.5 | ASTM-A312-TP316L |
| GB/T18984 | 低温无缝钢管Φ34*4.5 | 16MnDG |
| GB/T14976 | 无缝钢管Φ34*7 | 06Cr19Ni10 |
| ASME-B36.10M | 无缝钢管Φ114.3*6.02 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ114.3*8.56 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ88.9*5.49 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ88.9*7.62 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ168.3*10.97 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ21.3*3.73 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ26.7*3.91 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ33.4*3.38 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ33.4*4.55 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ48.3*3.68 | ASTM-A53Gr.B |
| ASME-B36.10M | 无缝钢管Φ48.3*5.08 | ASTM-A53Gr.B |
| GB/T14976 | 无缝钢管Φ18*3 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ60*6 | 022Cr17Ni12Mo2 |
| ASME-B36.10M | 无缝钢管Φ42.2*3.56 | ASTM-A106Gr.B |
| GB/T14976 | 无缝钢管Φ140*5 | 06Cr19Ni10 |
| GB/T6728 | 空心型钢F100*100*4 | Q235-B |
| GB/T14976 | 无缝钢管Φ168*12 | 06Cr19Ni10 |
| GB/T6479 | 无缝钢管Φ610*18 | 20 |
| GB/T9787 | 等边角钢63*63*6 | Q235-B |
| O-022Cr17Ni12Mo2-25 | 不锈钢棒材 | 022Cr17Ni12Mo2 |
| GB/T18984 | 低温无缝钢管Φ168*7 | 16MnDG |
| GB/T6479 | 无缝钢管Φ168*18 | 20 |
| GB/T14976 | 无缝钢管Φ273*8 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ406*8 | 06Cr19Ni10 |
| GB/T9948 | 无缝钢管Φ356*12 | 20 |
| GB/T9948 | 无缝钢管Φ406*14 | 20 |
| GB/T9948 | 无缝钢管Φ457*14 | 20 |
| GB/T18984 | 低温无缝钢管Φ219*8 | 16MnDG |
| GB/T8163 | 无缝钢管Φ508*16 | 20 |
| GB/T8163 | 无缝钢管Φ42*8 | 20 |
| GB/T6479 | 无缝钢管Φ34*6 | 20 |
| GB/T6479 | 无缝钢管Φ325*34 | 20 |
| GB/T6479 | 无缝钢管Φ508*26 | 20 |
| ASME-B36.10M | 无缝钢管Φ33.4*4.55 | ASTM-A106Gr.B |
| GB/T707 | 槽钢140*60*8 | Q235-B |
| GB/T6479 | 无缝钢管Φ34*10 | 16Mn |
| GB/T9948 | 无缝钢管Φ60*4 | 20 |
| GB/T6479 | 无缝钢管Φ34*7 | Q345-E |
| GB/T14976 | 不锈钢管Φ219*4 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ18*4 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ273*4 | 06Cr19Ni10 |
| GB/T6479 | 无缝钢管Φ219*20 | 20 |
| GB/T8163 | 无缝钢管Φ508*26 | 20 |
| O-42CrMo-30 | 合金钢棒材 | 42CrMo |
| GB/T6479 | 无缝钢管Φ356*28 | 16Mn |
| GB/T6479 | 无缝钢管Φ457*35 | 16Mn |
| GB/T6479 | 无缝钢管Φ530*38 | 16Mn |
| GB/T8163 | 无缝钢管Φ108*18 | 20 |
| O-06Cr19Ni10-18 | 不锈钢棒材 | 06Cr19Ni10 |
| GB/T6479 | 无缝钢管Φ60*9 | 16Mn |
| O-06Cr19Ni10-180 | 不锈钢棒材 | 06Cr19Ni10 |
| O-20Cr13-38 | 不锈钢棒材 | 20Cr13 |
| ASME-B36.19M | 无缝钢管Φ355.6*7.92 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ168.3*7.11 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ273.1*9.27 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ323.9*9.53 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ355.6*9.53 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ406.4*9.53 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ457*7.92 | ASTM-A312-TP304 |
| ASME-B36.19M | 无缝钢管Φ48.3*3.68 | ASTM-A312-TP316 |
| ASME-B36.19M | 无缝钢管Φ88.9*5.49 | ASTM-A312-TP316 |
| O-42CrMo-75 | 合金钢棒材 | 42CrMo |
| GB/T8163 | 无缝钢管Φ42*5 | 20 |
| GB/T8163 | 无缝钢管Φ219*22 | 20 |
| GB/T14976 | 无缝钢管Φ34*4.5 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ114*14 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ168*18 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ34*5.5 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ73*10 | 022Cr17Ni12Mo2 |
| GB/T14976 | 无缝钢管Φ42*4 | 022Cr17Ni12Mo2 |
| GB/T6479 | 无缝钢管Φ89*16 | 16Mn |
| GB/T8163 | 无缝钢管Φ34*7 | 20 |
| GB/T6479 | 无缝钢管Φ27*6 | Q345-E |
| ASME-B36.19M | 无缝钢管Φ21.3*2.11 | ASTM-A312-TP304L |
| ASME-B36.19M | 无缝钢管Φ48.3*2.77 | ASTM-A312-TP304L |
| ASME-B36.19M | 无缝钢管Φ88.9*3.05 | ASTM-A312-TP304L |
| GB/T14976 | 无缝钢管Φ27*2.5 | 022Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ34*3 | 022Cr19Ni10 |
| GB/T8162 | 无缝钢管Φ203*50 | 20 |
| O-06Cr17Ni12Mo2-40 | 不锈钢棒材 | 06Cr17Ni12Mo2 |
| GB/T8163 | 无缝钢管Φ245*20 | 20 |
| GB/T6479 | 无缝钢管Φ48*5 | 16Mn |
| GB/T6479 | 无缝钢管Φ27*8 | 16Mn |
| GB/T14976 | 无缝钢管Φ273*16 | 022Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ325*18 | 022Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ34*2 | 06Cr19Ni10 |
| GB/T14976 | 无缝钢管Φ133*7 | 06Cr19Ni10 |
| O-06Cr19Ni10-80 | 不锈钢棒材 | 06Cr19Ni10 |
| GB/T9948 | 无缝钢管Φ114*8 | 20 |
| GB/T9948 | 无缝钢管Φ89*8 | 20 |
| GB/T9948 | 无缝钢管Φ168*12 | 20 |
| GB/T9948 | 无缝钢管Φ22*5 | 20 |
Page 4 / 23 · 4,562 part numbers
304 / 316 / L stainless, carbon steel A105 / SS400, alloy steel and brass. Standards: ANSI B16.9 & B16.11, DIN, JIS, GB.
Send us any model number from the catalog above, or describe your duty — we will match it across our verified factory network and respond within 24 hours.
资质与认证 — 合作工厂均具备完整资质（ISO、CE、材质报告 MTC、出厂检验单等）。出于商业保密，完整证书扫描与工厂资质仅在签署 NDA 后向已验证买家提供；询价时可直接向我们索取。 / Our partner factories hold full qualifications (ISO, CE, MTC material reports, mill test certificates). For commercial confidentiality, complete certificate scans and factory qualifications are shared with verified buyers under NDA on request.
Quality Management System
Environmental Management
EU Conformity Declaration
Registered & Licensed Supplier / 营业执照
On-site Audited Manufacturer / 实地认证
