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For the low pressure in the boiler (not more than the general stress 5.88 MPa, in the temperature

below 450) of the heating surface tube; for the high-pressure boiler (pressure in general more 

than 9.8MPa, the temperature 450~650of inter) face of the heat pipe,economizer, superheater, 

heat, with the petrochemical industry, etc.

Standard

GB3087  GB5310 GB13296 ASME SA210  ASME SA213  DIN17175

Main Grade:

102020G20MnG25MnG1Cr18Ni9(TP304H)310H321H1Cr19Ni11NB(TP347H)347HFG15CrMoG12Cr2MoG12Cr1MoVG12Cr2MoWVTiB10Cr9Mo1VNbSA210A1SA210CSA213 T11SA213 T12SA213 T22SA213 T23SA213 T91SA213 T92ST45.8/III15Mo313CrMo4410CrMo910S30432S31042 and so on


Specification:

OD: 19.0mm-273.0mm

WT: 2.11-20.0mm

Packing & Shipping:

1. Simple packaging

2. Plywood case

3. Wooden box

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